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Relism
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import{_ as i,c as a,a0 as n,o as t}from"./chunks/framework.p2VkXzrt.js";const g=JSON.parse(`{"title":"⚡ Handler Default Implementations (HDI)","description":"","frontmatter":{"banner_title":"Flash - Handler Default Implementations","banner_description":"Leverage HDI's for cleaner and more maintainable route logic.","head":[["meta",{"name":"twitter:image","content":"/assets/banner-cards/flash-advanced-handler-default-implementations.png"}],["meta",{"name":"twitter:image:src","content":"https://docs.pixel-services.com/assets/banner-cards/flash-advanced-handler-default-implementations.png"}],["meta",{"name":"twitter:card","content":"summary_large_image"}],["meta",{"name":"twitter:image:height","content":"1280"}],["meta",{"name":"twitter:image:width","content":"669"}],["meta",{"name":"twitter:description","content":""}]]},"headers":[],"relativePath":"flash/advanced/handler-default-implementations.md","filePath":"flash/advanced/handler-default-implementations.md"}`),h={name:"flash/advanced/handler-default-implementations.md"};function e(l,s,k,p,r,d){return t(),a("div",null,s[0]||(s[0]=[n(`<h1 id="⚡-handler-default-implementations-hdi" tabindex="-1">⚡ Handler Default Implementations (HDI) <a class="header-anchor" href="#⚡-handler-default-implementations-hdi" aria-label="Permalink to "⚡ Handler Default Implementations (HDI)""></a></h1><p>HDI's provide an elegant and reliable way to standardize common behaviors across multiple request handlers. By defining base handlers that extend <code>RequestHandler</code> (or even chaining multiple base handlers), you can modularize your logic for aspects like authentication, user data retrieval, and rate limiting.</p><h2 id="🔗-how-it-works" tabindex="-1">🔗 How It Works <a class="header-anchor" href="#🔗-how-it-works" aria-label="Permalink to "🔗 How It Works""></a></h2><p>Instead of implementing repeated logic in every handler, you create abstract handler classes that encapsulate common functionality. Your actual route handlers then extend these base classes, inheriting their behavior while focusing purely on request-specific logic.</p><h3 id="🛠-example-api-key-authentication" tabindex="-1">🛠 Example: API Key Authentication <a class="header-anchor" href="#🛠-example-api-key-authentication" aria-label="Permalink to "🛠 Example: API Key Authentication""></a></h3><p>Imagine you want to protect API endpoints with an authentication key by checking it against a database. You can create an abstract <code>APIKeyProtectedHandler</code> that extends <code>RequestHandler</code> and implements the authentication logic:</p><div class="language-java vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">java</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> abstract</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> class</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> APIKeyProtectedHandler</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> extends</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> RequestHandler</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
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<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> protected</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> String apiKey;</span></span>
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<span class="line"></span>
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<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> APIKeyProtectedHandler</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(Request </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">req</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, Response </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">res</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
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<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> super</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(req, res);</span></span>
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<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
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<span class="line"></span>
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<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> @</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">Override</span></span>
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<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> Object </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">handle</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">() {</span></span>
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<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> apiKey </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> req.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">header</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"X-API-Key"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
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<span class="line"></span>
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<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (apiKey </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">==</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> null</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> ||</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> !</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">isValidApiKey</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(apiKey)) {</span></span>
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<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> res.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">status</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">403</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
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<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> res.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">type</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"application/json"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
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<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "{</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\\"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">error</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\\"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\\"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">Invalid API Key</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\\"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">}"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
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<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
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<span class="line"></span>
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<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> handleAuthorized</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">();</span></span>
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<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
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<span class="line"></span>
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<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> // Implement this method in your actual handlers</span></span>
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<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> protected</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> abstract</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> Object </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">handleAuthorized</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">();</span></span>
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<span class="line"></span>
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<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> private</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> boolean</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> isValidApiKey</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(String </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">key</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
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<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> // Implement key validation logic, e.g., checking against a database</span></span>
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<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> // ...</span></span>
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<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> true</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
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<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
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<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><p>Now, your actual API handlers only need to extend APIKeyProtectedHandler, ensuring every request has a valid API key before executing its logic:</p><div class="language-java vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">java</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">@</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">RouteInfo</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">method</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> HttpMethod.GET, </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">path</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "/data"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
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<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> class</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> GetDataHandler</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> extends</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> APIKeyProtectedHandler</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
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<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> GetDataHandler</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(Request </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">req</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, Response </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">res</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
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<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> super</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(req, res);</span></span>
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<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
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<span class="line"></span>
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<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> @</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">Override</span></span>
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<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> protected</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> Object </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">handleAuthorized</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">() {</span></span>
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<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> res.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">type</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"application/json"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
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<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "{</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\\"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">data</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\\"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\\"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">Your API response here</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\\"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">}"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
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<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
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<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><h2 id="🏗️-chaining-hdis-for-modular-logic" tabindex="-1">🏗️ Chaining HDIs for Modular Logic <a class="header-anchor" href="#🏗️-chaining-hdis-for-modular-logic" aria-label="Permalink to "🏗️ Chaining HDIs for Modular Logic""></a></h2><p>HDIs can be chained together to compose multiple layers of behavior. For example, imagine you want to authenticate users with a token and fetch their data from a database. You can create two abstract handlers that extend one another:</p><ul><li><code>ProtectedHandler</code> ensures authentication.</li></ul><div class="language-java vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">java</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> abstract</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> class</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> ProtectedHandler</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> extends</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> RequestHandler</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
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<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> protected</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> String authToken;</span></span>
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<span class="line"></span>
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<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> ProtectedHandler</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(Request </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">req</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, Response </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">res</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
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<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> super</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(req, res);</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> @</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">Override</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> Object </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">handle</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">() {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> authToken </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> req.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">header</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"Authorization"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (authToken </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">==</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> null</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> ||</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> !</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">isValidToken</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(authToken)) {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> res.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">status</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">401</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> res.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">type</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"application/json"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "{</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\\"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">error</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\\"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\\"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">Unauthorized</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\\"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">}"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> handleAuthenticated</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">();</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> protected</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> abstract</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> Object </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">handleAuthenticated</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">();</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><ul><li><code>AuthenticatedHandler</code> extends ProtectedHandler to fetch user data from the database, and overrides <code>handleAuthenticated</code> to ensure the user is authenticated before proceeding.</li></ul><div class="language-java vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">java</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> abstract</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> class</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> AuthenticatedHandler</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> extends</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> ProtectedHandler</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> protected</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> User user;</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> private</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> String authToken; </span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// inherited from ProtectedHandler</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> AuthenticatedHandler</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(Request </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">req</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, Response </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">res</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> super</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(req, res);</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> @</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">Override</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> protected</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> Object </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">handleAuthenticated</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">() {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> user </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> getUserFromDatabase</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(authToken);</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (user </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">==</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> null</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> res.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">status</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">403</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> res.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">type</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"application/json"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "{</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\\"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">error</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\\"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\\"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">User not found</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\\"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">}"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> handleWithUser</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">();</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> protected</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> abstract</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> Object </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">handleWithUser</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">();</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><ul><li>Your actual implementation handler <code>UserProfileHandler</code> extends <code>AuthenticatedHandler</code> and implements <code>handleWithUser</code> to ensure the user is authenticated and their profile data has been fetched before proceeding.</li></ul><div class="language-java vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">java</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">@</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">RouteInfo</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">endpoint</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "/profile"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">method</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> HttpMethod.GET)</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> class</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> UserProfileHandler</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> extends</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> AuthenticatedHandler</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> // inherited from AuthenticatedHandler</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> private</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> String username </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> user.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">getUsername</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">();</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> </span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> UserProfileHandler</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(Request </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">req</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, Response </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">res</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> super</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(req, res);</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> @</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">Override</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> protected</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> Object </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">handleWithUser</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">() {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> res.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">type</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"application/json"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "{</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\\"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">username</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\\"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\\"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> +</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> username </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">+</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\\"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">}"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div>`,17)]))}const y=i(h,[["render",e]]);export{g as __pageData,y as default};
|
||||
@@ -0,0 +1,93 @@
|
||||
import{_ as i,c as a,a0 as n,o as t}from"./chunks/framework.p2VkXzrt.js";const g=JSON.parse(`{"title":"⚡ Handler Default Implementations (HDI)","description":"","frontmatter":{"banner_title":"Flash - Handler Default Implementations","banner_description":"Leverage HDI's for cleaner and more maintainable route logic.","head":[["meta",{"name":"twitter:image","content":"/assets/banner-cards/flash-advanced-handler-default-implementations.png"}],["meta",{"name":"twitter:image:src","content":"https://docs.pixel-services.com/assets/banner-cards/flash-advanced-handler-default-implementations.png"}],["meta",{"name":"twitter:card","content":"summary_large_image"}],["meta",{"name":"twitter:image:height","content":"1280"}],["meta",{"name":"twitter:image:width","content":"669"}],["meta",{"name":"twitter:description","content":""}]]},"headers":[],"relativePath":"flash/advanced/handler-default-implementations.md","filePath":"flash/advanced/handler-default-implementations.md"}`),h={name:"flash/advanced/handler-default-implementations.md"};function e(l,s,k,p,r,d){return t(),a("div",null,s[0]||(s[0]=[n(`<h1 id="⚡-handler-default-implementations-hdi" tabindex="-1">⚡ Handler Default Implementations (HDI) <a class="header-anchor" href="#⚡-handler-default-implementations-hdi" aria-label="Permalink to "⚡ Handler Default Implementations (HDI)""></a></h1><p>HDI's provide an elegant and reliable way to standardize common behaviors across multiple request handlers. By defining base handlers that extend <code>RequestHandler</code> (or even chaining multiple base handlers), you can modularize your logic for aspects like authentication, user data retrieval, and rate limiting.</p><h2 id="🔗-how-it-works" tabindex="-1">🔗 How It Works <a class="header-anchor" href="#🔗-how-it-works" aria-label="Permalink to "🔗 How It Works""></a></h2><p>Instead of implementing repeated logic in every handler, you create abstract handler classes that encapsulate common functionality. Your actual route handlers then extend these base classes, inheriting their behavior while focusing purely on request-specific logic.</p><h3 id="🛠-example-api-key-authentication" tabindex="-1">🛠 Example: API Key Authentication <a class="header-anchor" href="#🛠-example-api-key-authentication" aria-label="Permalink to "🛠 Example: API Key Authentication""></a></h3><p>Imagine you want to protect API endpoints with an authentication key by checking it against a database. You can create an abstract <code>APIKeyProtectedHandler</code> that extends <code>RequestHandler</code> and implements the authentication logic:</p><div class="language-java vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">java</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> abstract</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> class</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> APIKeyProtectedHandler</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> extends</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> RequestHandler</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> protected</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> String apiKey;</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> APIKeyProtectedHandler</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(Request </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">req</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, Response </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">res</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> super</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(req, res);</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> @</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">Override</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> Object </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">handle</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">() {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> apiKey </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> req.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">header</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"X-API-Key"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (apiKey </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">==</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> null</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> ||</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> !</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">isValidApiKey</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(apiKey)) {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> res.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">status</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">403</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> res.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">type</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"application/json"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "{</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\\"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">error</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\\"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\\"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">Invalid API Key</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\\"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">}"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> handleAuthorized</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">();</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> // Implement this method in your actual handlers</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> protected</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> abstract</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> Object </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">handleAuthorized</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">();</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> private</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> boolean</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> isValidApiKey</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(String </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">key</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> // Implement key validation logic, e.g., checking against a database</span></span>
|
||||
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> // ...</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> true</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><p>Now, your actual API handlers only need to extend APIKeyProtectedHandler, ensuring every request has a valid API key before executing its logic:</p><div class="language-java vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">java</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">@</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">RouteInfo</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">method</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> HttpMethod.GET, </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">path</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "/data"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> class</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> GetDataHandler</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> extends</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> APIKeyProtectedHandler</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> GetDataHandler</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(Request </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">req</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, Response </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">res</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> super</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(req, res);</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> @</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">Override</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> protected</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> Object </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">handleAuthorized</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">() {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> res.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">type</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"application/json"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "{</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\\"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">data</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\\"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\\"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">Your API response here</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\\"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">}"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><h2 id="🏗️-chaining-hdis-for-modular-logic" tabindex="-1">🏗️ Chaining HDIs for Modular Logic <a class="header-anchor" href="#🏗️-chaining-hdis-for-modular-logic" aria-label="Permalink to "🏗️ Chaining HDIs for Modular Logic""></a></h2><p>HDIs can be chained together to compose multiple layers of behavior. For example, imagine you want to authenticate users with a token and fetch their data from a database. You can create two abstract handlers that extend one another:</p><ul><li><code>ProtectedHandler</code> ensures authentication.</li></ul><div class="language-java vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">java</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> abstract</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> class</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> ProtectedHandler</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> extends</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> RequestHandler</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> protected</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> String authToken;</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> ProtectedHandler</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(Request </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">req</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, Response </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">res</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> super</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(req, res);</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> @</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">Override</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> Object </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">handle</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">() {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> authToken </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> req.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">header</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"Authorization"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (authToken </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">==</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> null</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> ||</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> !</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">isValidToken</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(authToken)) {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> res.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">status</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">401</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> res.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">type</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"application/json"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "{</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\\"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">error</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\\"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\\"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">Unauthorized</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\\"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">}"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> handleAuthenticated</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">();</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> protected</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> abstract</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> Object </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">handleAuthenticated</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">();</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><ul><li><code>AuthenticatedHandler</code> extends ProtectedHandler to fetch user data from the database, and overrides <code>handleAuthenticated</code> to ensure the user is authenticated before proceeding.</li></ul><div class="language-java vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">java</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> abstract</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> class</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> AuthenticatedHandler</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> extends</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> ProtectedHandler</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> protected</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> User user;</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> private</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> String authToken; </span><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// inherited from ProtectedHandler</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> AuthenticatedHandler</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(Request </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">req</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, Response </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">res</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> super</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(req, res);</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> @</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">Override</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> protected</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> Object </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">handleAuthenticated</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">() {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> user </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> getUserFromDatabase</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(authToken);</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> if</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> (user </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">==</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> null</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> res.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">status</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">403</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> res.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">type</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"application/json"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "{</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\\"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">error</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\\"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\\"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">User not found</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\\"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">}"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> handleWithUser</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">();</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> protected</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> abstract</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> Object </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">handleWithUser</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">();</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><ul><li>Your actual implementation handler <code>UserProfileHandler</code> extends <code>AuthenticatedHandler</code> and implements <code>handleWithUser</code> to ensure the user is authenticated and their profile data has been fetched before proceeding.</li></ul><div class="language-java vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">java</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">@</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">RouteInfo</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">endpoint</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "/profile"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">method</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> HttpMethod.GET)</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> class</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> UserProfileHandler</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> extends</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> AuthenticatedHandler</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> // inherited from AuthenticatedHandler</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> private</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> String username </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> user.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">getUsername</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">();</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> </span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> UserProfileHandler</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(Request </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">req</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, Response </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">res</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> super</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(req, res);</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> @</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">Override</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> protected</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> Object </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">handleWithUser</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">() {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> res.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">type</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"application/json"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "{</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\\"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">username</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\\"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">:</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\\"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> +</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> username </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">+</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">\\"</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">}"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div>`,17)]))}const y=i(h,[["render",e]]);export{g as __pageData,y as default};
|
||||
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|
||||
import{_ as s,c as t,a0 as a,o as i}from"./chunks/framework.p2VkXzrt.js";const k=JSON.parse('{"title":"⚙️ Request Handler","description":"","frontmatter":{"banner_title":"Flash - Request Handler","banner_description":"Learn how to create and manage Request Handlers in Flash.","head":[["meta",{"name":"twitter:image","content":"/assets/banner-cards/flash-core-concepts-request-handler.png"}],["meta",{"name":"twitter:image:src","content":"https://docs.pixel-services.com/assets/banner-cards/flash-core-concepts-request-handler.png"}],["meta",{"name":"twitter:card","content":"summary_large_image"}],["meta",{"name":"twitter:image:height","content":"1280"}],["meta",{"name":"twitter:image:width","content":"669"}],["meta",{"name":"twitter:description","content":""}]]},"headers":[],"relativePath":"flash/core-concepts/request-handler.md","filePath":"flash/core-concepts/request-handler.md"}'),n={name:"flash/core-concepts/request-handler.md"};function d(r,e,h,l,o,c){return i(),t("div",null,e[0]||(e[0]=[a(`<h1 id="⚙️-request-handler" tabindex="-1">⚙️ Request Handler <a class="header-anchor" href="#⚙️-request-handler" aria-label="Permalink to "⚙️ Request Handler""></a></h1><p>In this section, we illustrate the powerful concept of <code>RequestHandler</code> in Flash, which are used to handle incoming requests and generate responses. RequestHandler classes provide the most control over the request lifecycle and allow you to use routing, expected operators and HDI's to create custom logic for handling requests.</p><h2 id="creating-a-request-handler" tabindex="-1">Creating a Request Handler <a class="header-anchor" href="#creating-a-request-handler" aria-label="Permalink to "Creating a Request Handler""></a></h2><p>To create a custom request handler, you need to extend the <code>RequestHandler</code> class and annotate the class with the <code>RouteInfo</code> annotation, specifying the HTTP method that the handler will respond to and the relative path that the handler will be registered to. After that, you must override the <code>handle</code> method; The <code>handle</code> method is where you define the logic for processing the request and generating the response. The <code>req</code> (request) and <code>res</code> (response) objects are available in the handler to access the request data and send the response back to the client.</p><p>You must call the super constructor with the <code>req</code> and <code>res</code> objects to initialize the handler.</p><div class="language-java vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">java</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line highlighted"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">@</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">RouteInfo</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">endpoint</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"/hello"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">method</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> HttpMethod.GET)</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> class</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> MyHandler</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> extends</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> RequestHandler</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> MyHandler</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(Request </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">req</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, Response </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">res</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
|
||||
<span class="line highlighted"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> super</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(req, res);</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> @</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">Override</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> Object </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">handle</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">() {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> String response </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "Hello, world!"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> response;</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><div class="warning custom-block"><p class="custom-block-title">WARNING</p><p>Any logic that needs to be executed before the request handler is registered must be done within the constructor.</p></div><h2 id="request-handler-methods" tabindex="-1">Request Handler methods <a class="header-anchor" href="#request-handler-methods" aria-label="Permalink to "Request Handler methods""></a></h2><p>The <code>RequestHandler</code> class provides several methods that can be used to interact with the request and response objects easily and safely. Following are listed the methods available in the <code>RequestHandler</code> class, with a brief description of their purpose:</p><table tabindex="0"><thead><tr><th>Method</th><th>Params</th><th>Description</th></tr></thead><tbody><tr><td><code>getRequestBody()</code></td><td><code>none</code></td><td>Returns a <code>JSONObject</code> representation of the request body.</td></tr><tr><td><code>getSpecification()</code></td><td><code>none</code></td><td>Returns an instance of <code>HandlerSpecification</code> containing all sorts of information about the handler.</td></tr><tr><td><code>expectedRequestParameter()</code></td><td><code>String name, description</code></td><td>Returns an instance of <code>ExpectedRequestParameter</code> for the specified parameter name.</td></tr><tr><td><code>expectedBodyField()</code></td><td><code>String name, description</code></td><td>Returns an instance of <code>ExpectedBodyField</code> for the specified field name.</td></tr><tr><td><code>expectedBodyFile()</code></td><td><code>String name, description</code></td><td>Returns an instance of <code>ExpectedBodyFile</code> for the specified file name.</td></tr></tbody></table><p>(More on the <code>ExpectedRequestParameter</code>, <code>ExpectedBodyField</code>, and <code>ExpectedBodyFile</code> classes in the next section).</p>`,11)]))}const u=s(n,[["render",d]]);export{k as __pageData,u as default};
|
||||
@@ -0,0 +1,12 @@
|
||||
import{_ as s,c as t,a0 as a,o as i}from"./chunks/framework.p2VkXzrt.js";const k=JSON.parse('{"title":"⚙️ Request Handler","description":"","frontmatter":{"banner_title":"Flash - Request Handler","banner_description":"Learn how to create and manage Request Handlers in Flash.","head":[["meta",{"name":"twitter:image","content":"/assets/banner-cards/flash-core-concepts-request-handler.png"}],["meta",{"name":"twitter:image:src","content":"https://docs.pixel-services.com/assets/banner-cards/flash-core-concepts-request-handler.png"}],["meta",{"name":"twitter:card","content":"summary_large_image"}],["meta",{"name":"twitter:image:height","content":"1280"}],["meta",{"name":"twitter:image:width","content":"669"}],["meta",{"name":"twitter:description","content":""}]]},"headers":[],"relativePath":"flash/core-concepts/request-handler.md","filePath":"flash/core-concepts/request-handler.md"}'),n={name:"flash/core-concepts/request-handler.md"};function d(r,e,h,l,o,c){return i(),t("div",null,e[0]||(e[0]=[a(`<h1 id="⚙️-request-handler" tabindex="-1">⚙️ Request Handler <a class="header-anchor" href="#⚙️-request-handler" aria-label="Permalink to "⚙️ Request Handler""></a></h1><p>In this section, we illustrate the powerful concept of <code>RequestHandler</code> in Flash, which are used to handle incoming requests and generate responses. RequestHandler classes provide the most control over the request lifecycle and allow you to use routing, expected operators and HDI's to create custom logic for handling requests.</p><h2 id="creating-a-request-handler" tabindex="-1">Creating a Request Handler <a class="header-anchor" href="#creating-a-request-handler" aria-label="Permalink to "Creating a Request Handler""></a></h2><p>To create a custom request handler, you need to extend the <code>RequestHandler</code> class and annotate the class with the <code>RouteInfo</code> annotation, specifying the HTTP method that the handler will respond to and the relative path that the handler will be registered to. After that, you must override the <code>handle</code> method; The <code>handle</code> method is where you define the logic for processing the request and generating the response. The <code>req</code> (request) and <code>res</code> (response) objects are available in the handler to access the request data and send the response back to the client.</p><p>You must call the super constructor with the <code>req</code> and <code>res</code> objects to initialize the handler.</p><div class="language-java vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">java</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line highlighted"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">@</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">RouteInfo</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">endpoint</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"/hello"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">method</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> HttpMethod.GET)</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> class</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> MyHandler</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> extends</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> RequestHandler</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> MyHandler</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(Request </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">req</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, Response </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">res</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
|
||||
<span class="line highlighted"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> super</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(req, res);</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> @</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">Override</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> Object </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">handle</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">() {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> String response </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "Hello, world!"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> response;</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><div class="warning custom-block"><p class="custom-block-title">WARNING</p><p>Any logic that needs to be executed before the request handler is registered must be done within the constructor.</p></div><h2 id="request-handler-methods" tabindex="-1">Request Handler methods <a class="header-anchor" href="#request-handler-methods" aria-label="Permalink to "Request Handler methods""></a></h2><p>The <code>RequestHandler</code> class provides several methods that can be used to interact with the request and response objects easily and safely. Following are listed the methods available in the <code>RequestHandler</code> class, with a brief description of their purpose:</p><table tabindex="0"><thead><tr><th>Method</th><th>Params</th><th>Description</th></tr></thead><tbody><tr><td><code>getRequestBody()</code></td><td><code>none</code></td><td>Returns a <code>JSONObject</code> representation of the request body.</td></tr><tr><td><code>getSpecification()</code></td><td><code>none</code></td><td>Returns an instance of <code>HandlerSpecification</code> containing all sorts of information about the handler.</td></tr><tr><td><code>expectedRequestParameter()</code></td><td><code>String name, description</code></td><td>Returns an instance of <code>ExpectedRequestParameter</code> for the specified parameter name.</td></tr><tr><td><code>expectedBodyField()</code></td><td><code>String name, description</code></td><td>Returns an instance of <code>ExpectedBodyField</code> for the specified field name.</td></tr><tr><td><code>expectedBodyFile()</code></td><td><code>String name, description</code></td><td>Returns an instance of <code>ExpectedBodyFile</code> for the specified file name.</td></tr></tbody></table><p>(More on the <code>ExpectedRequestParameter</code>, <code>ExpectedBodyField</code>, and <code>ExpectedBodyFile</code> classes in the next section).</p>`,11)]))}const u=s(n,[["render",d]]);export{k as __pageData,u as default};
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import{_ as i,c as a,a0 as e,o as n}from"./chunks/framework.p2VkXzrt.js";const c=JSON.parse('{"title":"🛣️ Server Router","description":"","frontmatter":{"banner_title":"Flash - Server Router","banner_description":"Learn how to use the FlashServer router to create and manage RouteHandlers.","head":[["meta",{"name":"twitter:image","content":"/assets/banner-cards/flash-core-concepts-server-router.png"}],["meta",{"name":"twitter:image:src","content":"https://docs.pixel-services.com/assets/banner-cards/flash-core-concepts-server-router.png"}],["meta",{"name":"twitter:card","content":"summary_large_image"}],["meta",{"name":"twitter:image:height","content":"1280"}],["meta",{"name":"twitter:image:width","content":"669"}],["meta",{"name":"twitter:description","content":""}]]},"headers":[],"relativePath":"flash/core-concepts/server-router.md","filePath":"flash/core-concepts/server-router.md"}'),t={name:"flash/core-concepts/server-router.md"};function h(l,s,r,p,k,o){return n(),a("div",null,s[0]||(s[0]=[e(`<h1 id="🛣️-server-router" tabindex="-1">🛣️ Server Router <a class="header-anchor" href="#🛣️-server-router" aria-label="Permalink to "🛣️ Server Router""></a></h1><p>In this section, we discuss how to use the <code>FlashServer</code> router to manage our <code>RequestHandler</code> instances. The router is used to define route endpoints and their corresponding handler, which are executed when a request is made to the server.</p><p>The <code>FlashServer</code> router is an instance of the <code>RouteController</code> class, each server instance has its own router instance. To access the router instance, you can call the <code>route()</code> method on the <code>FlashServer</code> instance.</p><h2 id="creating-a-route" tabindex="-1">Creating a Route <a class="header-anchor" href="#creating-a-route" aria-label="Permalink to "Creating a Route""></a></h2><p>To create a route, you need to call the <code>route()</code> method on your server's instance (in this case for simplicity, on the InternalFlashServer) and specify the base path of the route, followed by your handler class,</p><div class="language-java vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">java</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Example.java</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> class</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Example</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> static</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> main</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">String</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">[] </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">args</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> FlashServer server </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> new</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> FlashServer</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">8080</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> </span></span>
|
||||
<span class="line highlighted"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> server.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">route</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"/api"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> .</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">register</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(MyHandler.class);</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> </span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> server.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">start</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">();</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><div class="language-java vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">java</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// MyHandler.java</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line highlighted"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">@</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">RouteInfo</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">method</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> HttpMethod.GET, </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">path</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "/hello"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> class</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> MyHandler</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> extends</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> RequestHandler</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> MyHandler</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(Request </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">req</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, Response </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">res</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> super</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(req, res);</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> @</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">Override</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> Object </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">handle</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">() {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> String response </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "Hello, world!"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> response;</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><p>In the example above, we create an <code>/api</code> router and register the <code>MyHandler</code> class to handle requests on the <code>/api/hello</code> endpoint.</p><p>This is because the <code>path</code> property of the <code>RouteInfo</code> annotation is relative to the base path of the router, which in this case is <code>/api</code>.</p><p>Visiting <code>/api/hello</code> from your browser will result in the response <code>Hello, world!</code>.</p>`,10)]))}const E=i(t,[["render",h]]);export{c as __pageData,E as default};
|
||||
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|
||||
import{_ as i,c as a,a0 as e,o as n}from"./chunks/framework.p2VkXzrt.js";const c=JSON.parse('{"title":"🛣️ Server Router","description":"","frontmatter":{"banner_title":"Flash - Server Router","banner_description":"Learn how to use the FlashServer router to create and manage RouteHandlers.","head":[["meta",{"name":"twitter:image","content":"/assets/banner-cards/flash-core-concepts-server-router.png"}],["meta",{"name":"twitter:image:src","content":"https://docs.pixel-services.com/assets/banner-cards/flash-core-concepts-server-router.png"}],["meta",{"name":"twitter:card","content":"summary_large_image"}],["meta",{"name":"twitter:image:height","content":"1280"}],["meta",{"name":"twitter:image:width","content":"669"}],["meta",{"name":"twitter:description","content":""}]]},"headers":[],"relativePath":"flash/core-concepts/server-router.md","filePath":"flash/core-concepts/server-router.md"}'),t={name:"flash/core-concepts/server-router.md"};function h(l,s,r,p,k,o){return n(),a("div",null,s[0]||(s[0]=[e(`<h1 id="🛣️-server-router" tabindex="-1">🛣️ Server Router <a class="header-anchor" href="#🛣️-server-router" aria-label="Permalink to "🛣️ Server Router""></a></h1><p>In this section, we discuss how to use the <code>FlashServer</code> router to manage our <code>RequestHandler</code> instances. The router is used to define route endpoints and their corresponding handler, which are executed when a request is made to the server.</p><p>The <code>FlashServer</code> router is an instance of the <code>RouteController</code> class, each server instance has its own router instance. To access the router instance, you can call the <code>route()</code> method on the <code>FlashServer</code> instance.</p><h2 id="creating-a-route" tabindex="-1">Creating a Route <a class="header-anchor" href="#creating-a-route" aria-label="Permalink to "Creating a Route""></a></h2><p>To create a route, you need to call the <code>route()</code> method on your server's instance (in this case for simplicity, on the InternalFlashServer) and specify the base path of the route, followed by your handler class,</p><div class="language-java vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">java</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// Example.java</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> class</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Example</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> static</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> main</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">String</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">[] </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">args</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> FlashServer server </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> new</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> FlashServer</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">8080</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> </span></span>
|
||||
<span class="line highlighted"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> server.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">route</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"/api"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> .</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">register</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(MyHandler.class);</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> </span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> server.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">start</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">();</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><div class="language-java vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">java</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;">// MyHandler.java</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line highlighted"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">@</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">RouteInfo</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">method</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> HttpMethod.GET, </span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">path</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> =</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "/hello"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> class</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> MyHandler</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> extends</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> RequestHandler</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> MyHandler</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(Request </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">req</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, Response </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">res</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> super</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(req, res);</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> @</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">Override</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> Object </span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">handle</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">() {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> String response </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "Hello, world!"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">;</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> return</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> response;</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><p>In the example above, we create an <code>/api</code> router and register the <code>MyHandler</code> class to handle requests on the <code>/api/hello</code> endpoint.</p><p>This is because the <code>path</code> property of the <code>RouteInfo</code> annotation is relative to the base path of the router, which in this case is <code>/api</code>.</p><p>Visiting <code>/api/hello</code> from your browser will result in the response <code>Hello, world!</code>.</p>`,10)]))}const E=i(t,[["render",h]]);export{c as __pageData,E as default};
|
||||
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|
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import{_ as i,c as e,a0 as a,o as t}from"./chunks/framework.p2VkXzrt.js";const c=JSON.parse('{"title":"🌐 Websockets","description":"","frontmatter":{"banner_title":"Flash - Websockets","banner_description":"Learn how to create and manage server-side Websockets in Flash.","head":[["meta",{"name":"twitter:image","content":"/assets/banner-cards/flash-core-concepts-websockets.png"}],["meta",{"name":"twitter:image:src","content":"https://docs.pixel-services.com/assets/banner-cards/flash-core-concepts-websockets.png"}],["meta",{"name":"twitter:card","content":"summary_large_image"}],["meta",{"name":"twitter:image:height","content":"1280"}],["meta",{"name":"twitter:image:width","content":"669"}],["meta",{"name":"twitter:description","content":""}]]},"headers":[],"relativePath":"flash/core-concepts/websockets.md","filePath":"flash/core-concepts/websockets.md"}'),n={name:"flash/core-concepts/websockets.md"};function h(l,s,k,p,o,d){return t(),e("div",null,s[0]||(s[0]=[a(`<h1 id="🌐-websockets" tabindex="-1">🌐 Websockets <a class="header-anchor" href="#🌐-websockets" aria-label="Permalink to "🌐 Websockets""></a></h1><p>In this section, we illustrate how to create and manage Websockets in Flash, which are used to establish a bidirectional communication channel between the client and the server.</p><h2 id="understanding-websockets" tabindex="-1">Understanding Websockets <a class="header-anchor" href="#understanding-websockets" aria-label="Permalink to "Understanding Websockets""></a></h2><p>Websockets are a communication protocol that provides full-duplex communication channels over a single TCP connection. Unlike HTTP, which is a request-response protocol, Websockets allow for real-time, low-latency communication between the client and the server.</p><p>Imagine a scenario where you need to send real-time updates to the client, such as a chat application or a live feed: if you were to use HTTP, you would need to poll the server at regular intervals to check for updates, which is inefficient and resource-intensive.</p><h2 id="creating-a-websocket" tabindex="-1">Creating a Websocket <a class="header-anchor" href="#creating-a-websocket" aria-label="Permalink to "Creating a Websocket""></a></h2><p>To create a Websocket in Flash, you need to extend the <code>WebsocketHandler</code> class and override the <code>onOpen</code>, <code>onMessage</code>, <code>onClose</code>, and <code>onError</code> methods. These methods are called when the Websocket connection is opened, a message is received, the connection is closed, and an error occurs, respectively, and they provide you with an instance of the <code>WebSocketSession</code> object to be able to interact with it.</p><div class="language-java vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">java</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> class</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> MyWebsocketHandler</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> extends</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> WebsocketHandler</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> @</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">Override</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> onOpen</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(WebSocketSession </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">session</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> System.out.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">println</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"WebSocket connection opened"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> @</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">Override</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> onClose</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(WebSocketSession </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">session</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">int</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> statusCode</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, String </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">reason</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> System.out.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">println</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"WebSocket connection closed"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> @</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">Override</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> onMessage</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(WebSocketSession </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">session</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, String </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">message</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> System.out.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">println</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"Received message: "</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> +</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> message);</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> //optionally send a reponse back to the client</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> session.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">sendMessage</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"I received your message!"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> @</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">Override</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> onError</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(WebSocketSession </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">session</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, Throwable </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">error</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> System.out.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">println</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"WebSocket error: "</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> +</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> error.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">getMessage</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">());</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><p>To register your Websocket handler with the server, you can use the <code>server.ws()</code> method:</p><div class="language-java vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">java</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> class</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Example</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> static</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> main</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">String</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">[] </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">args</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> FlashServer server </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> new</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> FlashServer</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">8080</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> server.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">ws</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"/ws"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> .</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">register</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">new</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> MyWebsocketHandler</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">());</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> server.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">start</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">();</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><h2 id="interacting-with-websockets-sessions" tabindex="-1">Interacting with Websockets sessions <a class="header-anchor" href="#interacting-with-websockets-sessions" aria-label="Permalink to "Interacting with Websockets sessions""></a></h2><p>The <code>WebSocketSession</code> object provides methods to interact with the Websocket session, such as sending messages, closing the connection, and getting the remote address and session ID.</p><table tabindex="0"><thead><tr><th>Method</th><th>Params</th><th>Description</th></tr></thead><tbody><tr><td><code>getChannel()</code></td><td><code>none</code></td><td>Returns an instance of <code>AsynchronousSocketChannel</code> useful for retrieving info about the client .</td></tr><tr><td><code>getRequestInfo()</code></td><td><code>none</code></td><td>Returns an instance of <code>RequestInfo</code> containing all sorts of information about the request (headers, method, path etc.) .</td></tr><tr><td><code>getPath()</code></td><td><code>none</code></td><td>Returns the path to the websocket endpoint as a <code>String</code>.</td></tr><tr><td><code>getId()</code></td><td><code>none</code></td><td>Returns the id of the websocket session as a <code>String</code>, useful if you want to keep track of the connected clients in a custom manager.</td></tr><tr><td><code>getBuffer()</code></td><td><code>none</code></td><td>Returns the ByteBuffer for that session.</td></tr><tr><td><code>sendMessage()</code></td><td><code>String message</code></td><td>Sends the <code>message</code> to the client as a <code>String</code>. it's up to the developer to stringify and de-stringify any data you want to send back and forth</td></tr><tr><td><code>close()</code></td><td><code>none</code></td><td>Closes the websocket session.</td></tr></tbody></table><div class="warning custom-block"><p class="custom-block-title">NOTE</p><p><code>WebsocketHandler</code> includes a <code>setId(String id)</code> method for overriding the default session ID. Unless you have a specific reason to change it, it's best to leave it as is.</p><p>Similarly, the <code>setBuffer(ByteBuffer buffer)</code> method allows you to override the default buffer. If you're unsure about this, it's recommended to keep the default setting.</p></div>`,14)]))}const E=i(n,[["render",h]]);export{c as __pageData,E as default};
|
||||
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|
||||
import{_ as i,c as e,a0 as a,o as t}from"./chunks/framework.p2VkXzrt.js";const c=JSON.parse('{"title":"🌐 Websockets","description":"","frontmatter":{"banner_title":"Flash - Websockets","banner_description":"Learn how to create and manage server-side Websockets in Flash.","head":[["meta",{"name":"twitter:image","content":"/assets/banner-cards/flash-core-concepts-websockets.png"}],["meta",{"name":"twitter:image:src","content":"https://docs.pixel-services.com/assets/banner-cards/flash-core-concepts-websockets.png"}],["meta",{"name":"twitter:card","content":"summary_large_image"}],["meta",{"name":"twitter:image:height","content":"1280"}],["meta",{"name":"twitter:image:width","content":"669"}],["meta",{"name":"twitter:description","content":""}]]},"headers":[],"relativePath":"flash/core-concepts/websockets.md","filePath":"flash/core-concepts/websockets.md"}'),n={name:"flash/core-concepts/websockets.md"};function h(l,s,k,p,o,d){return t(),e("div",null,s[0]||(s[0]=[a(`<h1 id="🌐-websockets" tabindex="-1">🌐 Websockets <a class="header-anchor" href="#🌐-websockets" aria-label="Permalink to "🌐 Websockets""></a></h1><p>In this section, we illustrate how to create and manage Websockets in Flash, which are used to establish a bidirectional communication channel between the client and the server.</p><h2 id="understanding-websockets" tabindex="-1">Understanding Websockets <a class="header-anchor" href="#understanding-websockets" aria-label="Permalink to "Understanding Websockets""></a></h2><p>Websockets are a communication protocol that provides full-duplex communication channels over a single TCP connection. Unlike HTTP, which is a request-response protocol, Websockets allow for real-time, low-latency communication between the client and the server.</p><p>Imagine a scenario where you need to send real-time updates to the client, such as a chat application or a live feed: if you were to use HTTP, you would need to poll the server at regular intervals to check for updates, which is inefficient and resource-intensive.</p><h2 id="creating-a-websocket" tabindex="-1">Creating a Websocket <a class="header-anchor" href="#creating-a-websocket" aria-label="Permalink to "Creating a Websocket""></a></h2><p>To create a Websocket in Flash, you need to extend the <code>WebsocketHandler</code> class and override the <code>onOpen</code>, <code>onMessage</code>, <code>onClose</code>, and <code>onError</code> methods. These methods are called when the Websocket connection is opened, a message is received, the connection is closed, and an error occurs, respectively, and they provide you with an instance of the <code>WebSocketSession</code> object to be able to interact with it.</p><div class="language-java vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">java</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> class</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> MyWebsocketHandler</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> extends</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> WebsocketHandler</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> @</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">Override</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> onOpen</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(WebSocketSession </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">session</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> System.out.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">println</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"WebSocket connection opened"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> @</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">Override</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> onClose</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(WebSocketSession </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">session</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">int</span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;"> statusCode</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, String </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">reason</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> System.out.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">println</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"WebSocket connection closed"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> @</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">Override</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> onMessage</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(WebSocketSession </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">session</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, String </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">message</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> System.out.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">println</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"Received message: "</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> +</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> message);</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#6A737D;--shiki-dark:#6A737D;"> //optionally send a reponse back to the client</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> session.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">sendMessage</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"I received your message!"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> @</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">Override</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> onError</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(WebSocketSession </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">session</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, Throwable </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">error</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> System.out.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">println</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"WebSocket error: "</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> +</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> error.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">getMessage</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">());</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><p>To register your Websocket handler with the server, you can use the <code>server.ws()</code> method:</p><div class="language-java vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">java</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> class</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Example</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> static</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> main</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">String</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">[] </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">args</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> FlashServer server </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> new</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> FlashServer</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">8080</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> server.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">ws</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"/ws"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> .</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">register</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">new</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> MyWebsocketHandler</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">());</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> server.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">start</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">();</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><h2 id="interacting-with-websockets-sessions" tabindex="-1">Interacting with Websockets sessions <a class="header-anchor" href="#interacting-with-websockets-sessions" aria-label="Permalink to "Interacting with Websockets sessions""></a></h2><p>The <code>WebSocketSession</code> object provides methods to interact with the Websocket session, such as sending messages, closing the connection, and getting the remote address and session ID.</p><table tabindex="0"><thead><tr><th>Method</th><th>Params</th><th>Description</th></tr></thead><tbody><tr><td><code>getChannel()</code></td><td><code>none</code></td><td>Returns an instance of <code>AsynchronousSocketChannel</code> useful for retrieving info about the client .</td></tr><tr><td><code>getRequestInfo()</code></td><td><code>none</code></td><td>Returns an instance of <code>RequestInfo</code> containing all sorts of information about the request (headers, method, path etc.) .</td></tr><tr><td><code>getPath()</code></td><td><code>none</code></td><td>Returns the path to the websocket endpoint as a <code>String</code>.</td></tr><tr><td><code>getId()</code></td><td><code>none</code></td><td>Returns the id of the websocket session as a <code>String</code>, useful if you want to keep track of the connected clients in a custom manager.</td></tr><tr><td><code>getBuffer()</code></td><td><code>none</code></td><td>Returns the ByteBuffer for that session.</td></tr><tr><td><code>sendMessage()</code></td><td><code>String message</code></td><td>Sends the <code>message</code> to the client as a <code>String</code>. it's up to the developer to stringify and de-stringify any data you want to send back and forth</td></tr><tr><td><code>close()</code></td><td><code>none</code></td><td>Closes the websocket session.</td></tr></tbody></table><div class="warning custom-block"><p class="custom-block-title">NOTE</p><p><code>WebsocketHandler</code> includes a <code>setId(String id)</code> method for overriding the default session ID. Unless you have a specific reason to change it, it's best to leave it as is.</p><p>Similarly, the <code>setBuffer(ByteBuffer buffer)</code> method allows you to override the default buffer. If you're unsure about this, it's recommended to keep the default setting.</p></div>`,14)]))}const E=i(n,[["render",h]]);export{c as __pageData,E as default};
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||||
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|
||||
import{_ as i,c as a,a0 as e,o as n}from"./chunks/framework.p2VkXzrt.js";const c=JSON.parse('{"title":"📁 Dynamic File Server","description":"","frontmatter":{"banner_title":"Flash - Dynamic File Server","banner_description":"Learn how to serve files in a dynamic context.","head":[["meta",{"name":"twitter:image","content":"/assets/banner-cards/flash-file-serving-dynamic-file-server.png"}],["meta",{"name":"twitter:image:src","content":"https://docs.pixel-services.com/assets/banner-cards/flash-file-serving-dynamic-file-server.png"}],["meta",{"name":"twitter:card","content":"summary_large_image"}],["meta",{"name":"twitter:image:height","content":"1280"}],["meta",{"name":"twitter:image:width","content":"669"}],["meta",{"name":"twitter:description","content":""}]]},"headers":[],"relativePath":"flash/file-serving/dynamic-file-server.md","filePath":"flash/file-serving/dynamic-file-server.md"}'),t={name:"flash/file-serving/dynamic-file-server.md"};function l(h,s,p,r,k,d){return n(),a("div",null,s[0]||(s[0]=[e(`<h1 id="📁-dynamic-file-server" tabindex="-1">📁 Dynamic File Server <a class="header-anchor" href="#📁-dynamic-file-server" aria-label="Permalink to "📁 Dynamic File Server""></a></h1><p>Sometimes we need to serve files in a dynamic context, in this sense a static file server is limiting. Imagine we have a frontend application that is compiled down to a single <code>index.html</code> file, and we want to serve it with Flash alongside it's javascript and css bundles. The way these compiled applications work is that they rely heavily on client-side routing, so when the user navigates to a different page, the frontend application will try to fetch the corresponding file from the server. This is where a dynamic file server comes in handy, as no route is pre-registered.</p><div class="warning custom-block"><p class="custom-block-title">WARNING</p><p>The dynamic file server relies heavily on the concept of dynamic handlers, which are handlers that will resolve for any subpath of the endpoint they are registered to (see <a href="/flash/core-concepts/handlers.html">Handler Types</a> for more info).</p></div><h2 id="usage" tabindex="-1">Usage <a class="header-anchor" href="#usage" aria-label="Permalink to "Usage""></a></h2><p>To serve static files in Flash, you need to call the <code>server.serveDynamic()</code> method with the endpoint path and an instance of <code>DynamicFileServerConfig</code>. The configuration object is instanced like so :</p><div class="language-java vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">java</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">DynamicFileServerConfiguration</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> boolean</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> enableFileWatcher,</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> String destinationPath,</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> String dynamicEntrypoint,</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> SourceType sourceType</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span></code></pre></div><ul><li><code>enableFileWatcher</code> : If set to <code>true</code>, the server will watch for changes in the served files and reload them automatically.</li><li><code>destinationPath</code> : The path to the directory containing the files to be served.</li><li><code>dynamicEntrypoint</code> : The path to the file that will be served when the client navigates to the endpoint eg. <code>index.html</code>.</li><li><code>sourceType</code> : The type of source to serve files from. It can be either <code>FILESYSTEM</code> or <code>RESOURCESTREAM</code>.</li></ul><p>Registering the dynamic file server is as simple as calling the <code>server.serveDynamic()</code> method with the desired path and configuration object:</p><div class="language-java vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">java</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> class</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Example</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> static</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> main</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">String</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">[] </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">args</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> FlashServer server </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> new</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> FlashServer</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">8080</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> server.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">serveDynamic</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"/*"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">new</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> DynamicFileServerConfiguration</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span></span>
|
||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> true</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
|
||||
<span class="line"><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "path/to/my/files"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
|
||||
<span class="line"><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "index.html"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> SourceType.FILESYSTEM</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> ));</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><p>Now you can access the files (or frontend) in the specified directory by navigating to <code>http://localhost:8080/<file-name></code>.</p><p>Similarly, you can serve the same content from the jar's resources folder by setting the <code>sourceType</code> to <code>RESOURCESTREAM</code>:</p><div class="language-java vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">java</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> class</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Example</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> static</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> main</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">String</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">[] </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">args</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> FlashServer server </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> new</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> FlashServer</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">8080</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> server.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">serveStatic</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"/static"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">new</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> DynamicFileServerConfiguration</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span></span>
|
||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> true</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
|
||||
<span class="line"><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "path/to/my/files"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
|
||||
<span class="line"><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "index.html"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> SourceType.RESOURCESTREAM</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> ));</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div>`,12)]))}const E=i(t,[["render",l]]);export{c as __pageData,E as default};
|
||||
@@ -0,0 +1,28 @@
|
||||
import{_ as i,c as a,a0 as e,o as n}from"./chunks/framework.p2VkXzrt.js";const c=JSON.parse('{"title":"📁 Dynamic File Server","description":"","frontmatter":{"banner_title":"Flash - Dynamic File Server","banner_description":"Learn how to serve files in a dynamic context.","head":[["meta",{"name":"twitter:image","content":"/assets/banner-cards/flash-file-serving-dynamic-file-server.png"}],["meta",{"name":"twitter:image:src","content":"https://docs.pixel-services.com/assets/banner-cards/flash-file-serving-dynamic-file-server.png"}],["meta",{"name":"twitter:card","content":"summary_large_image"}],["meta",{"name":"twitter:image:height","content":"1280"}],["meta",{"name":"twitter:image:width","content":"669"}],["meta",{"name":"twitter:description","content":""}]]},"headers":[],"relativePath":"flash/file-serving/dynamic-file-server.md","filePath":"flash/file-serving/dynamic-file-server.md"}'),t={name:"flash/file-serving/dynamic-file-server.md"};function l(h,s,p,r,k,d){return n(),a("div",null,s[0]||(s[0]=[e(`<h1 id="📁-dynamic-file-server" tabindex="-1">📁 Dynamic File Server <a class="header-anchor" href="#📁-dynamic-file-server" aria-label="Permalink to "📁 Dynamic File Server""></a></h1><p>Sometimes we need to serve files in a dynamic context, in this sense a static file server is limiting. Imagine we have a frontend application that is compiled down to a single <code>index.html</code> file, and we want to serve it with Flash alongside it's javascript and css bundles. The way these compiled applications work is that they rely heavily on client-side routing, so when the user navigates to a different page, the frontend application will try to fetch the corresponding file from the server. This is where a dynamic file server comes in handy, as no route is pre-registered.</p><div class="warning custom-block"><p class="custom-block-title">WARNING</p><p>The dynamic file server relies heavily on the concept of dynamic handlers, which are handlers that will resolve for any subpath of the endpoint they are registered to (see <a href="/flash/core-concepts/handlers.html">Handler Types</a> for more info).</p></div><h2 id="usage" tabindex="-1">Usage <a class="header-anchor" href="#usage" aria-label="Permalink to "Usage""></a></h2><p>To serve static files in Flash, you need to call the <code>server.serveDynamic()</code> method with the endpoint path and an instance of <code>DynamicFileServerConfig</code>. The configuration object is instanced like so :</p><div class="language-java vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">java</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">DynamicFileServerConfiguration</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> boolean</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> enableFileWatcher,</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> String destinationPath,</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> String dynamicEntrypoint,</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> SourceType sourceType</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span></code></pre></div><ul><li><code>enableFileWatcher</code> : If set to <code>true</code>, the server will watch for changes in the served files and reload them automatically.</li><li><code>destinationPath</code> : The path to the directory containing the files to be served.</li><li><code>dynamicEntrypoint</code> : The path to the file that will be served when the client navigates to the endpoint eg. <code>index.html</code>.</li><li><code>sourceType</code> : The type of source to serve files from. It can be either <code>FILESYSTEM</code> or <code>RESOURCESTREAM</code>.</li></ul><p>Registering the dynamic file server is as simple as calling the <code>server.serveDynamic()</code> method with the desired path and configuration object:</p><div class="language-java vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">java</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> class</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Example</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> static</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> main</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">String</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">[] </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">args</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> FlashServer server </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> new</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> FlashServer</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">8080</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> server.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">serveDynamic</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"/*"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">new</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> DynamicFileServerConfiguration</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span></span>
|
||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> true</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
|
||||
<span class="line"><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "path/to/my/files"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
|
||||
<span class="line"><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "index.html"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> SourceType.FILESYSTEM</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> ));</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><p>Now you can access the files (or frontend) in the specified directory by navigating to <code>http://localhost:8080/<file-name></code>.</p><p>Similarly, you can serve the same content from the jar's resources folder by setting the <code>sourceType</code> to <code>RESOURCESTREAM</code>:</p><div class="language-java vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">java</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> class</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Example</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> static</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> main</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">String</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">[] </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">args</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> FlashServer server </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> new</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> FlashServer</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">8080</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> server.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">serveStatic</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"/static"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">new</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> DynamicFileServerConfiguration</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span></span>
|
||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> true</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
|
||||
<span class="line"><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "path/to/my/files"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
|
||||
<span class="line"><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "index.html"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> SourceType.RESOURCESTREAM</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> ));</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div>`,12)]))}const E=i(t,[["render",l]]);export{c as __pageData,E as default};
|
||||
@@ -0,0 +1,28 @@
|
||||
import{_ as i,c as a,a0 as e,o as t}from"./chunks/framework.p2VkXzrt.js";const o=JSON.parse('{"title":"📁 Static File Server","description":"","frontmatter":{"banner_title":"Flash - Static File Server","banner_description":"Learn how to serve static files in Flash.","head":[["meta",{"name":"twitter:image","content":"/assets/banner-cards/flash-file-serving-static-file-server.png"}],["meta",{"name":"twitter:image:src","content":"https://docs.pixel-services.com/assets/banner-cards/flash-file-serving-static-file-server.png"}],["meta",{"name":"twitter:card","content":"summary_large_image"}],["meta",{"name":"twitter:image:height","content":"1280"}],["meta",{"name":"twitter:image:width","content":"669"}],["meta",{"name":"twitter:description","content":""}]]},"headers":[],"relativePath":"flash/file-serving/static-file-server.md","filePath":"flash/file-serving/static-file-server.md"}'),n={name:"flash/file-serving/static-file-server.md"};function l(h,s,p,r,k,d){return t(),a("div",null,s[0]||(s[0]=[e(`<h1 id="📁-static-file-server" tabindex="-1">📁 Static File Server <a class="header-anchor" href="#📁-static-file-server" aria-label="Permalink to "📁 Static File Server""></a></h1><p>Flash provides a built-in static file server that allows you to serve static files such with autoresolving MIME types and caching.</p><div class="warning custom-block"><p class="custom-block-title">WARNING</p><p>The static file server pre-registers literal routes for every file in the specified target directory. Creating/deleting files in the target directory will trigger the internal route registry to update accordingly. If you are planning to serve a compiled frontend application with a client-side router (think of react-router-dom), it is reccomended to use the Dynamic File Server instead,</p></div><h2 id="usage" tabindex="-1">Usage <a class="header-anchor" href="#usage" aria-label="Permalink to "Usage""></a></h2><p>To serve static files in Flash, you need to call the <code>server.serveStatic()</code> method with the endpoint path and an instance of <code>StaticFileServerConfig</code>. The configuration object is instanced like so :</p><div class="language-java vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">java</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">public</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> StaticFileServerConfiguration</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> boolean</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> enableFileWatcher,</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> boolean</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> enableIndexRedirect,</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> String destinationPath,</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> SourceType sourceType</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span></code></pre></div><ul><li><code>enableFileWatcher</code> : If set to <code>true</code>, the server will watch for changes in the served files and reload them automatically.</li><li><code>enableIndexRedirect</code> : If set to <code>true</code>, the server will redirect requests to directories to the <code>index.html</code> file.</li><li><code>destinationPath</code> : The path to the directory containing the files to be served.</li><li><code>sourceType</code> : The type of source to serve files from. It can be either <code>FILESYSTEM</code> or <code>RESOURCESTREAM</code>.</li></ul><p>Registering the static file server is as simple as calling the <code>server.serveStatic()</code> method with the desired path and configuration object:</p><div class="language-java vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">java</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> class</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Example</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> static</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> main</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">String</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">[] </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">args</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> FlashServer server </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> new</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> FlashServer</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">8080</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> server.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">serveStatic</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"/static"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">new</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> StaticFileServerConfiguration</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span></span>
|
||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> true</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
|
||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> true</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
|
||||
<span class="line"><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "path/to/static/files"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> SourceType.FILESYSTEM</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> ));</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><p>Now you can access the files in the specified directory by navigating to <code>http://localhost:8080/static/<file-name></code>.</p><p>Similarly, you can serve files from the jar's resources folder by setting the <code>sourceType</code> to <code>RESOURCESTREAM</code>:</p><div class="language-java vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">java</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> class</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Example</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> static</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> main</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">String</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">[] </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">args</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> FlashServer server </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> new</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> FlashServer</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">8080</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> server.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">serveStatic</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"/static"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">new</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> StaticFileServerConfiguration</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span></span>
|
||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> true</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
|
||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> true</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
|
||||
<span class="line"><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "path/to/static/files"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> SourceType.RESOURCESTREAM</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> ));</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div>`,12)]))}const E=i(n,[["render",l]]);export{o as __pageData,E as default};
|
||||
@@ -0,0 +1,28 @@
|
||||
import{_ as i,c as a,a0 as e,o as t}from"./chunks/framework.p2VkXzrt.js";const o=JSON.parse('{"title":"📁 Static File Server","description":"","frontmatter":{"banner_title":"Flash - Static File Server","banner_description":"Learn how to serve static files in Flash.","head":[["meta",{"name":"twitter:image","content":"/assets/banner-cards/flash-file-serving-static-file-server.png"}],["meta",{"name":"twitter:image:src","content":"https://docs.pixel-services.com/assets/banner-cards/flash-file-serving-static-file-server.png"}],["meta",{"name":"twitter:card","content":"summary_large_image"}],["meta",{"name":"twitter:image:height","content":"1280"}],["meta",{"name":"twitter:image:width","content":"669"}],["meta",{"name":"twitter:description","content":""}]]},"headers":[],"relativePath":"flash/file-serving/static-file-server.md","filePath":"flash/file-serving/static-file-server.md"}'),n={name:"flash/file-serving/static-file-server.md"};function l(h,s,p,r,k,d){return t(),a("div",null,s[0]||(s[0]=[e(`<h1 id="📁-static-file-server" tabindex="-1">📁 Static File Server <a class="header-anchor" href="#📁-static-file-server" aria-label="Permalink to "📁 Static File Server""></a></h1><p>Flash provides a built-in static file server that allows you to serve static files such with autoresolving MIME types and caching.</p><div class="warning custom-block"><p class="custom-block-title">WARNING</p><p>The static file server pre-registers literal routes for every file in the specified target directory. Creating/deleting files in the target directory will trigger the internal route registry to update accordingly. If you are planning to serve a compiled frontend application with a client-side router (think of react-router-dom), it is reccomended to use the Dynamic File Server instead,</p></div><h2 id="usage" tabindex="-1">Usage <a class="header-anchor" href="#usage" aria-label="Permalink to "Usage""></a></h2><p>To serve static files in Flash, you need to call the <code>server.serveStatic()</code> method with the endpoint path and an instance of <code>StaticFileServerConfig</code>. The configuration object is instanced like so :</p><div class="language-java vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">java</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">public</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> StaticFileServerConfiguration</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> boolean</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> enableFileWatcher,</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> boolean</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> enableIndexRedirect,</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> String destinationPath,</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> SourceType sourceType</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">)</span></span></code></pre></div><ul><li><code>enableFileWatcher</code> : If set to <code>true</code>, the server will watch for changes in the served files and reload them automatically.</li><li><code>enableIndexRedirect</code> : If set to <code>true</code>, the server will redirect requests to directories to the <code>index.html</code> file.</li><li><code>destinationPath</code> : The path to the directory containing the files to be served.</li><li><code>sourceType</code> : The type of source to serve files from. It can be either <code>FILESYSTEM</code> or <code>RESOURCESTREAM</code>.</li></ul><p>Registering the static file server is as simple as calling the <code>server.serveStatic()</code> method with the desired path and configuration object:</p><div class="language-java vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">java</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> class</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Example</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> static</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> main</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">String</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">[] </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">args</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> FlashServer server </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> new</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> FlashServer</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">8080</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> server.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">serveStatic</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"/static"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">new</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> StaticFileServerConfiguration</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span></span>
|
||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> true</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
|
||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> true</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
|
||||
<span class="line"><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "path/to/static/files"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> SourceType.FILESYSTEM</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> ));</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div><p>Now you can access the files in the specified directory by navigating to <code>http://localhost:8080/static/<file-name></code>.</p><p>Similarly, you can serve files from the jar's resources folder by setting the <code>sourceType</code> to <code>RESOURCESTREAM</code>:</p><div class="language-java vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">java</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> class</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> Example</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> public</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> static</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> void</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> main</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">String</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">[] </span><span style="--shiki-light:#E36209;--shiki-dark:#FFAB70;">args</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">) {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> FlashServer server </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">=</span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;"> new</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> FlashServer</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;">8080</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">);</span></span>
|
||||
<span class="line"></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> server.</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;">serveStatic</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"/static"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">, </span><span style="--shiki-light:#D73A49;--shiki-dark:#F97583;">new</span><span style="--shiki-light:#6F42C1;--shiki-dark:#B392F0;"> StaticFileServerConfiguration</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">(</span></span>
|
||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> true</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
|
||||
<span class="line"><span style="--shiki-light:#005CC5;--shiki-dark:#79B8FF;"> true</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
|
||||
<span class="line"><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;"> "path/to/static/files"</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">,</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> SourceType.RESOURCESTREAM</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> ));</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div>`,12)]))}const E=i(n,[["render",l]]);export{o as __pageData,E as default};
|
||||
@@ -0,0 +1,19 @@
|
||||
import{p as l,v as p,c as h,a0 as r,j as n,a as k,t as o,o as E}from"./chunks/framework.p2VkXzrt.js";const d={href:"https://maven.pixel-services.com/#/releases/com/pixelservices/flash",style:{"text-decoration":"underline",color:"#007bff"}},m=JSON.parse('{"title":"📲 Installation","description":"","frontmatter":{"banner_title":"Flash - Installation","banner_description":"A guide on how to install the Flash library in your project.","head":[["meta",{"name":"twitter:image","content":"/assets/banner-cards/flash-introduction-installation.png"}],["meta",{"name":"twitter:image:src","content":"https://docs.pixel-services.com/assets/banner-cards/flash-introduction-installation.png"}],["meta",{"name":"twitter:card","content":"summary_large_image"}],["meta",{"name":"twitter:image:height","content":"1280"}],["meta",{"name":"twitter:image:width","content":"669"}],["meta",{"name":"twitter:description","content":""}]]},"headers":[],"relativePath":"flash/introduction/installation.md","filePath":"flash/introduction/installation.md"}'),c={name:"flash/introduction/installation.md"},u=Object.assign(c,{setup(g){const i=l("");return p(async()=>{try{const e=(await(await fetch("https://maven.pixel-services.com/api/maven/details/releases/com/pixelservices/flash")).json()).files.filter(t=>t.type==="DIRECTORY").map(t=>t.name);i.value=e.sort().pop()}catch(a){console.error("Error fetching latest version:",a),i.value="Error fetching version"}}),(a,s)=>(E(),h("div",null,[s[1]||(s[1]=r(`<h1 id="📲-installation" tabindex="-1">📲 Installation <a class="header-anchor" href="#📲-installation" aria-label="Permalink to "📲 Installation""></a></h1><p>This page provides installation instructions for the latest version of the <code>flash</code> library from Pixel Services.</p><h2 id="installation" tabindex="-1">Installation <a class="header-anchor" href="#installation" aria-label="Permalink to "Installation""></a></h2><h3 id="maven-pom-xml" tabindex="-1">Maven (pom.xml) <a class="header-anchor" href="#maven-pom-xml" aria-label="Permalink to "Maven (pom.xml)""></a></h3><ol><li><p>Add the repository :</p><div class="language-xml vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">xml</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"><</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">repositories</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">></span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> <</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">repository</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">></span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> <</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">id</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">>pixel-services</</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">id</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">></span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> <</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">name</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">>Pixel Services</</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">name</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">></span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> <</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">url</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">>https://maven.pixel-services.com/repository</</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">url</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">></span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> </</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">repository</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">></span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"></</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">repositories</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">></span></span></code></pre></div></li><li><p>And the dependency :</p><div class="language-xml vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">xml</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"><</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">dependencies</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">></span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> <</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">dependency</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">></span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> <</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">groupId</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">>com.pixelservices</</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">groupId</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">></span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> <</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">artifactId</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">>flash</</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">artifactId</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">></span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> <</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">version</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">>{{ latestVersion }}</</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">version</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">></span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> </</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">dependency</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">></span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"></</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">dependencies</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">></span></span></code></pre></div></li></ol><h3 id="gradle-build-gradle" tabindex="-1">Gradle (build.gradle) <a class="header-anchor" href="#gradle-build-gradle" aria-label="Permalink to "Gradle (build.gradle)""></a></h3><ol><li><p>Add the repository :</p><div class="language-groovy vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">groovy</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">repositories {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> maven {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> url </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"https://maven.pixel-services.com/repository"</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div></li><li><p>And the dependency :</p><div class="language-groovy vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">groovy</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">dependencies {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> implementation </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">'com.pixelservices:flash:{{ latestVersion }}'</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div></li></ol>`,7)),n("div",null,[s[0]||(s[0]=k(" ⚡ Latest version: ")),n("a",d,[n("strong",null,o(i.value),1)])])]))}});export{m as __pageData,u as default};
|
||||
@@ -0,0 +1,19 @@
|
||||
import{p as l,v as p,c as h,a0 as r,j as n,a as k,t as o,o as E}from"./chunks/framework.p2VkXzrt.js";const d={href:"https://maven.pixel-services.com/#/releases/com/pixelservices/flash",style:{"text-decoration":"underline",color:"#007bff"}},m=JSON.parse('{"title":"📲 Installation","description":"","frontmatter":{"banner_title":"Flash - Installation","banner_description":"A guide on how to install the Flash library in your project.","head":[["meta",{"name":"twitter:image","content":"/assets/banner-cards/flash-introduction-installation.png"}],["meta",{"name":"twitter:image:src","content":"https://docs.pixel-services.com/assets/banner-cards/flash-introduction-installation.png"}],["meta",{"name":"twitter:card","content":"summary_large_image"}],["meta",{"name":"twitter:image:height","content":"1280"}],["meta",{"name":"twitter:image:width","content":"669"}],["meta",{"name":"twitter:description","content":""}]]},"headers":[],"relativePath":"flash/introduction/installation.md","filePath":"flash/introduction/installation.md"}'),c={name:"flash/introduction/installation.md"},u=Object.assign(c,{setup(g){const i=l("");return p(async()=>{try{const e=(await(await fetch("https://maven.pixel-services.com/api/maven/details/releases/com/pixelservices/flash")).json()).files.filter(t=>t.type==="DIRECTORY").map(t=>t.name);i.value=e.sort().pop()}catch(a){console.error("Error fetching latest version:",a),i.value="Error fetching version"}}),(a,s)=>(E(),h("div",null,[s[1]||(s[1]=r(`<h1 id="📲-installation" tabindex="-1">📲 Installation <a class="header-anchor" href="#📲-installation" aria-label="Permalink to "📲 Installation""></a></h1><p>This page provides installation instructions for the latest version of the <code>flash</code> library from Pixel Services.</p><h2 id="installation" tabindex="-1">Installation <a class="header-anchor" href="#installation" aria-label="Permalink to "Installation""></a></h2><h3 id="maven-pom-xml" tabindex="-1">Maven (pom.xml) <a class="header-anchor" href="#maven-pom-xml" aria-label="Permalink to "Maven (pom.xml)""></a></h3><ol><li><p>Add the repository :</p><div class="language-xml vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">xml</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"><</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">repositories</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">></span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> <</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">repository</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">></span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> <</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">id</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">>pixel-services</</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">id</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">></span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> <</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">name</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">>Pixel Services</</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">name</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">></span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> <</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">url</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">>https://maven.pixel-services.com/repository</</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">url</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">></span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> </</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">repository</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">></span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"></</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">repositories</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">></span></span></code></pre></div></li><li><p>And the dependency :</p><div class="language-xml vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">xml</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"><</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">dependencies</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">></span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> <</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">dependency</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">></span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> <</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">groupId</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">>com.pixelservices</</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">groupId</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">></span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> <</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">artifactId</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">>flash</</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">artifactId</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">></span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> <</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">version</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">>{{ latestVersion }}</</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">version</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">></span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> </</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">dependency</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">></span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"></</span><span style="--shiki-light:#22863A;--shiki-dark:#85E89D;">dependencies</span><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">></span></span></code></pre></div></li></ol><h3 id="gradle-build-gradle" tabindex="-1">Gradle (build.gradle) <a class="header-anchor" href="#gradle-build-gradle" aria-label="Permalink to "Gradle (build.gradle)""></a></h3><ol><li><p>Add the repository :</p><div class="language-groovy vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">groovy</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">repositories {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> maven {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> url </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">"https://maven.pixel-services.com/repository"</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> }</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div></li><li><p>And the dependency :</p><div class="language-groovy vp-adaptive-theme"><button title="Copy Code" class="copy"></button><span class="lang">groovy</span><pre class="shiki shiki-themes github-light github-dark vp-code" tabindex="0"><code><span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">dependencies {</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;"> implementation </span><span style="--shiki-light:#032F62;--shiki-dark:#9ECBFF;">'com.pixelservices:flash:{{ latestVersion }}'</span></span>
|
||||
<span class="line"><span style="--shiki-light:#24292E;--shiki-dark:#E1E4E8;">}</span></span></code></pre></div></li></ol>`,7)),n("div",null,[s[0]||(s[0]=k(" ⚡ Latest version: ")),n("a",d,[n("strong",null,o(i.value),1)])])]))}});export{m as __pageData,u as default};
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||||
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|
||||
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||||
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Reference in New Issue
Block a user