multipart parsing, request body access, and chunked input stream support
This commit is contained in:
Relism
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
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<parent>
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<artifactId>flash-parent</artifactId>
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<groupId>dev.relism</groupId>
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<version>1.0-SNAPSHOT</version>
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</parent>
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<modelVersion>4.0.0</modelVersion>
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<artifactId>flash-bench</artifactId>
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<build>
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<finalName>flash-bench</finalName>
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<plugins>
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<plugin>
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<artifactId>maven-shade-plugin</artifactId>
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<version>3.5.3</version>
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<executions>
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<execution>
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<phase>package</phase>
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<goals>
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<goal>shade</goal>
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</goals>
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<configuration>
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<transformers>
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<transformer>
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<mainClass>dev.relism.bench.Main</mainClass>
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</transformer>
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<transformer />
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</transformers>
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<filters>
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<filter>
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<artifact>*:*</artifact>
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<excludes>
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<exclude>META-INF/*.SF</exclude>
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<exclude>META-INF/*.DSA</exclude>
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<exclude>META-INF/*.RSA</exclude>
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</excludes>
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</filter>
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</filters>
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</configuration>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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<dependencies>
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<dependency>
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<groupId>org.projectlombok</groupId>
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<artifactId>lombok</artifactId>
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<version>1.18.44</version>
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<scope>provided</scope>
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</dependency>
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</dependencies>
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<properties>
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<maven.compiler.release>21</maven.compiler.release>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<ahc.version>2.12.3</ahc.version>
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</properties>
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</project>
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@@ -0,0 +1,148 @@
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package dev.relism.bench;
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import dev.relism.HttpServer;
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import dev.relism.HttpServerConfiguration;
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import dev.relism.http.ContentType;
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import org.asynchttpclient.AsyncHttpClient;
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import org.asynchttpclient.DefaultAsyncHttpClientConfig;
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import org.asynchttpclient.Dsl;
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import org.asynchttpclient.Request;
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import org.asynchttpclient.RequestBuilder;
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import java.nio.charset.StandardCharsets;
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import java.nio.file.Path;
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import java.util.Arrays;
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public class Main {
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// Lazy holder — Netty starts only on the first AHC request, not at class load.
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// Routes like /plaintext that never call AHC are unaffected.
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private static final class AhcHolder {
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static final AsyncHttpClient AHC = Dsl.asyncHttpClient(
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new DefaultAsyncHttpClientConfig.Builder()
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.setMaxConnections(256)
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.setMaxConnectionsPerHost(256)
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.setKeepAlive(true)
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.setPooledConnectionIdleTimeout(60_000)
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.setConnectTimeout(5_000)
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.setRequestTimeout(10_000)
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.setIoThreadsCount(1)
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.build()
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);
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}
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// Pre-built request objects — URI parsing done once at startup.
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private static final Request ELEMENT_REQ = new RequestBuilder("GET")
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.setUrl("http://web-data-source/element.json").build();
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private static final Request SHELLS_REQ = new RequestBuilder("GET")
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.setUrl("http://web-data-source/shells.json").build();
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private static final byte[] PREFIX_SHELLS = "{\"shells\":".getBytes(StandardCharsets.UTF_8);
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private static final byte[] SUFFIX = "}".getBytes(StandardCharsets.UTF_8);
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public static void main(String[] args) throws Exception {
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int port = args.length > 0 ? Integer.parseInt(args[0]) : 3000;
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HttpServer server = new HttpServer(
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HttpServerConfiguration.builder()
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.port(port).host("0.0.0.0").build()
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);
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server.get("/api/v1/periodic-table/element", (req, res) ->
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fetchAndFilter(req.query("symbol"), false));
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server.get("/api/v1/periodic-table/shells", (req, res) ->
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fetchAndFilter(req.query("symbol"), true));
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server.get("/plaintext", (req, res) -> "Hello, World!");
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server.get("/json", (req, res) -> {
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res.setContentType(ContentType.JSON);
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return "{\"message\":\"Hello, World!\"}";
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});
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Path frontendDist = Path.of("C:\\Users\\elorc\\Documents\\Coding\\web\\PixelDocs\\.vitepress\\dist");
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StaticResourceManager cdn = new StaticResourceManager(frontendDist, "/");
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cdn.register(server);
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server.start().thenRun(() -> System.out.println("Flash Sharkbench online on port " + port));
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}
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private static dev.relism.models.Response fetchAndFilter(String symbol, boolean wrapShells) {
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if (symbol == null) return new dev.relism.models.Response(400, "Missing symbol", ContentType.TEXT_PLAIN);
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try {
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// executeRequest() returns a ListenableFuture; .get() parks the calling
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// virtual thread (cheap) while Netty's I/O thread handles the socket.
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byte[] body = AhcHolder.AHC.executeRequest(wrapShells ? SHELLS_REQ : ELEMENT_REQ)
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.get()
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.getResponseBodyAsBytes();
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byte[] value = extractJsonValue(body, symbol);
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if (value == null) return new dev.relism.models.Response(404, "Not Found", ContentType.TEXT_PLAIN);
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if (wrapShells) {
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byte[] wrapped = new byte[PREFIX_SHELLS.length + value.length + SUFFIX.length];
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System.arraycopy(PREFIX_SHELLS, 0, wrapped, 0, PREFIX_SHELLS.length);
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System.arraycopy(value, 0, wrapped, PREFIX_SHELLS.length, value.length);
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System.arraycopy(SUFFIX, 0, wrapped, PREFIX_SHELLS.length + value.length, SUFFIX.length);
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return new dev.relism.models.Response(200, wrapped, ContentType.JSON);
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}
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return new dev.relism.models.Response(200, value, ContentType.JSON);
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} catch (Exception e) {
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return new dev.relism.models.Response(500, "Internal Error", ContentType.TEXT_PLAIN);
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}
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}
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/**
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* Extracts the JSON value for a given key from a flat JSON object.
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* Zero Jackson allocations — pure byte scan.
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*/
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private static byte[] extractJsonValue(byte[] json, String key) {
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byte[] keyBytes = ("\"" + key + "\":").getBytes(StandardCharsets.UTF_8);
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int pos = indexOf(json, keyBytes);
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if (pos == -1) return null;
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pos += keyBytes.length;
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while (pos < json.length && json[pos] == ' ') pos++;
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if (pos >= json.length) return null;
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byte opener = json[pos];
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byte closer;
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if (opener == '{') closer = '}';
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else if (opener == '[') closer = ']';
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else return null;
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int depth = 0;
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boolean inString = false;
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int start = pos;
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while (pos < json.length) {
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byte b = json[pos];
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if (b == '"' && !isEscaped(json, pos)) inString = !inString;
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if (!inString) {
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if (b == opener) depth++;
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else if (b == closer) { if (--depth == 0) { pos++; break; } }
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}
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pos++;
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}
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return Arrays.copyOfRange(json, start, pos);
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}
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private static int indexOf(byte[] haystack, byte[] needle) {
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outer:
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for (int i = 0; i <= haystack.length - needle.length; i++) {
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for (int j = 0; j < needle.length; j++) {
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if (haystack[i + j] != needle[j]) continue outer;
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}
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return i;
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}
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return -1;
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}
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private static boolean isEscaped(byte[] data, int pos) {
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int backslashes = 0;
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while (--pos >= 0 && data[pos] == '\\') backslashes++;
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return (backslashes & 1) == 1;
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}
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}
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@@ -0,0 +1,12 @@
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{
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"H": {"name": "Hydrogen", "number": 1, "group": 1},
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"He": {"name": "Helium", "number": 2, "group": 18},
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"Li": {"name": "Lithium", "number": 3, "group": 1},
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"Be": {"name": "Beryllium", "number": 4, "group": 2},
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"B": {"name": "Boron", "number": 5, "group": 13},
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"C": {"name": "Carbon", "number": 6, "group": 14},
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"N": {"name": "Nitrogen", "number": 7, "group": 15},
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"O": {"name": "Oxygen", "number": 8, "group": 16},
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"F": {"name": "Fluorine", "number": 9, "group": 17},
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"Ne": {"name": "Neon", "number": 10, "group": 18}
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}
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@@ -0,0 +1,12 @@
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{
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"H": {"shells": [1]},
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"He": {"shells": [2]},
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"Li": {"shells": [2, 1]},
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"Be": {"shells": [2, 2]},
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"B": {"shells": [2, 3]},
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"C": {"shells": [2, 4]},
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"N": {"shells": [2, 5]},
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"O": {"shells": [2, 6]},
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"F": {"shells": [2, 7]},
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"Ne": {"shells": [2, 8]}
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}
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