Initial basic ping pong websocket app in vertx.
parent
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commit
b0c8930568
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.gradle
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build/
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!gradle/wrapper/gradle-wrapper.jar
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!**/src/main/**/build/
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!**/src/test/**/build/
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### IntelliJ IDEA ###
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.idea/modules.xml
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.idea/jarRepositories.xml
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.idea/compiler.xml
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.idea/libraries/
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*.iws
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*.iml
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*.ipr
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out/
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!**/src/main/**/out/
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!**/src/test/**/out/
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### Eclipse ###
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.apt_generated
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.classpath
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.factorypath
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.project
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.settings
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.springBeans
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.sts4-cache
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bin/
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!**/src/main/**/bin/
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!**/src/test/**/bin/
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### NetBeans ###
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/nbproject/private/
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/nbbuild/
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/dist/
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/nbdist/
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/.nb-gradle/
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### VS Code ###
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.vscode/
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### Mac OS ###
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.DS_Store
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plugins {
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id("java")
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}
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group = "ch.polgrabia.demos"
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version = "1.0-SNAPSHOT"
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repositories {
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mavenCentral()
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}
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dependencies {
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testImplementation(platform("org.junit:junit-bom:5.10.0"))
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testImplementation("org.junit.jupiter:junit-jupiter")
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}
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tasks.test {
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useJUnitPlatform()
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}
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plugins {
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id("java")
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}
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group = "ch.polgrabia.demos"
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version = "1.0-SNAPSHOT"
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repositories {
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mavenCentral()
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}
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dependencies {
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implementation("io.vertx:vertx-core:4.5.9")
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implementation("ch.qos.logback:logback-classic:1.5.6")
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testImplementation(platform("org.junit:junit-bom:5.10.0"))
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testImplementation("org.junit.jupiter:junit-jupiter")
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}
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tasks.test {
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useJUnitPlatform()
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}
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package ch.polgrabia.demos.client;
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import io.vertx.core.Vertx;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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public class WebsocketClientApp {
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private static final Logger logger = LoggerFactory.getLogger(WebsocketClientApp.class);
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public static void main(String[] args) {
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var vertx = Vertx.vertx();
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logger.info("Deploying websocket particle");
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WebsocketClientParticle websocketClientParticle = new WebsocketClientParticle("localhost", 8080, "/");
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vertx.deployVerticle(websocketClientParticle);
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logger.info("Deployed websocket particle");
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websocketClientParticle.waitingUntilFinished();
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vertx.close();
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}
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}
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package ch.polgrabia.demos.client;
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import io.vertx.core.AbstractVerticle;
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import io.vertx.core.AsyncResult;
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import io.vertx.core.http.HttpClient;
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import io.vertx.core.http.WebSocket;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.nio.charset.StandardCharsets;
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public class WebsocketClientParticle extends AbstractVerticle {
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private static final Logger logger = LoggerFactory.getLogger(WebsocketClientParticle.class);
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private final String hostname;
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private final int port;
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private final String path;
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private HttpClient client;
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private boolean isShuttingDownActivated = false;
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private final Object runningMonitor = new Object();
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private ByteArrayOutputStream clientTextInput;
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private WebSocket webSocket;
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public WebsocketClientParticle(String hostname, int port, String path) {
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this.hostname = hostname;
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this.port = port;
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this.path = path;
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}
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@Override
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public void start() throws Exception {
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this.client = getVertx()
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.createHttpClient();
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// TODO refactor it as it's deprecated
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client.webSocket(port, hostname, path, this::handleMessage);
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}
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private void handleMessage(AsyncResult<WebSocket> webSocketAsyncResult) {
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logger.info("Handling websocket");
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if (!webSocketAsyncResult.succeeded()) {
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logger.warn("Websocket handler connection failed", webSocketAsyncResult.cause());
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try {
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stop();
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} catch (Exception e) {
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logger.error("Failed to stop particle", e);
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}
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return;
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}
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this.clientTextInput = new ByteArrayOutputStream();
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vertx.setPeriodic(100, this::handleClientTextInput);
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webSocket = webSocketAsyncResult.result();
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webSocket
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.textMessageHandler(this::handleText)
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.closeHandler(this::stopHandler);
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}
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private void handleClientTextInput(Long ms) {
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try {
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int available = System.in.available();
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if (available > 0) {
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byte[] clientPayload = System.in.readNBytes(available);
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this.clientTextInput.write(clientPayload);
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int idx = newLineIndex(clientPayload);
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if (idx > 0) {
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String payload = clientTextInput.toString(StandardCharsets.UTF_8);
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int nidx = payload.indexOf('\n');
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String textMsgToBeSent = payload.substring(0, nidx);
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webSocket.writeTextMessage(textMsgToBeSent);
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clientTextInput = new ByteArrayOutputStream();
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clientTextInput.write(payload.substring(idx).getBytes(StandardCharsets.UTF_8));
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}
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}
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} catch (IOException e) {
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logger.error("Failed to read client input", e);
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}
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}
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private int newLineIndex(byte[] clientPayload) {
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for (int i = 0; i < clientPayload.length; i++) {
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if (clientPayload[i] == "\n".getBytes(StandardCharsets.UTF_8)[0]) {
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return i;
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}
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}
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return -1;
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}
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private void stopHandler(Void unused) {
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try {
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stop();
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} catch (Exception e) {
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logger.error("Got an error while stopping", e);
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}
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}
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private void handleText(String s) {
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logger.info("Got message: {}", s);
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}
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@Override
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public void stop() throws Exception {
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isShuttingDownActivated = true;
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client.close();
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synchronized (runningMonitor) {
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runningMonitor.notifyAll();
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}
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}
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public void waitingUntilFinished() {
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while(!isShuttingDownActivated) {
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synchronized (runningMonitor) {
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try {
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runningMonitor.wait();
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return;
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} catch (InterruptedException e) {
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logger.warn("Got interrupted", e);
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}
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}
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}
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}
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}
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package ch.polgrabia.demos.server;
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import io.vertx.core.Vertx;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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public class WebsocketServerApp {
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private static final Logger logger = LoggerFactory.getLogger(WebsocketServerApp.class);
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public static void main(String[] args) {
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var vertx = Vertx.vertx();
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WebsocketServerChatVerticle websocketServerChatVerticle = new WebsocketServerChatVerticle(8080, "localhost");
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vertx.deployVerticle(websocketServerChatVerticle);
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websocketServerChatVerticle.waitUntilFinished();
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vertx.close();
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}
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}
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package ch.polgrabia.demos.server;
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import io.vertx.core.AbstractVerticle;
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import io.vertx.core.http.HttpServer;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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public class WebsocketServerChatVerticle extends AbstractVerticle {
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private static final Logger logger = LoggerFactory.getLogger(WebsocketServerChatVerticle.class);
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private HttpServer httpServer;
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private final int port;
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private final String hostname;
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private final Object runningMonitor = new Object();
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private boolean shutdownActivation = false;
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public WebsocketServerChatVerticle(int port, String hostname) {
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this.port = port;
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this.hostname = hostname;
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}
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@Override
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public void start() throws Exception {
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httpServer = getVertx()
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.createHttpServer();
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httpServer.webSocketHandler(new WebsocketServerHandler()).listen(port, hostname);
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shutdownActivation = true;
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}
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@Override
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public void stop() throws Exception {
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httpServer.close();
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shutdownActivation = false;
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synchronized (runningMonitor) {
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runningMonitor.notifyAll();
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}
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}
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public void waitUntilFinished() {
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while (!shutdownActivation) {
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synchronized (runningMonitor) {
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try {
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runningMonitor.wait();
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return;
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} catch (InterruptedException e) {
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logger.warn("We got interrupted, retrying", e);;
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}
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}
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}
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}
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}
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package ch.polgrabia.demos.server;
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import ch.polgrabia.demos.client.WebsocketClientApp;
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import io.vertx.core.Handler;
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import io.vertx.core.http.ServerWebSocket;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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public class WebsocketServerHandler implements Handler<ServerWebSocket> {
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private static final Logger logger = LoggerFactory.getLogger(WebsocketClientApp.class);
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@Override
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public void handle(ServerWebSocket serverWebSocket) {
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serverWebSocket.writeTextMessage("Hello");
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serverWebSocket.textMessageHandler(new WebsocketTextMessageHandler(serverWebSocket));
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}
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static class WebsocketTextMessageHandler implements Handler<String> {
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private final ServerWebSocket serverWebSocket;
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public WebsocketTextMessageHandler(ServerWebSocket serverWebSocket) {
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this.serverWebSocket = serverWebSocket;
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}
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@Override
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public void handle(String s) {
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logger.info("Got message {}", s);
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serverWebSocket.writeTextMessage("Pong: " + s); // TBD send to kafka
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}
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}
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}
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#Thu Aug 01 14:46:42 CEST 2024
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distributionBase=GRADLE_USER_HOME
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distributionPath=wrapper/dists
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distributionUrl=https\://services.gradle.org/distributions/gradle-8.5-bin.zip
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zipStoreBase=GRADLE_USER_HOME
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zipStorePath=wrapper/dists
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#!/bin/sh
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#
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# Copyright © 2015-2021 the original authors.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
|
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# you may not use this file except in compliance with the License.
|
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# You may obtain a copy of the License at
|
||||
#
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# https://www.apache.org/licenses/LICENSE-2.0
|
||||
#
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||||
# Unless required by applicable law or agreed to in writing, software
|
||||
# distributed under the License is distributed on an "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
# See the License for the specific language governing permissions and
|
||||
# limitations under the License.
|
||||
#
|
||||
|
||||
##############################################################################
|
||||
#
|
||||
# Gradle start up script for POSIX generated by Gradle.
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#
|
||||
# Important for running:
|
||||
#
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||||
# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is
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# noncompliant, but you have some other compliant shell such as ksh or
|
||||
# bash, then to run this script, type that shell name before the whole
|
||||
# command line, like:
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||||
#
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||||
# ksh Gradle
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||||
#
|
||||
# Busybox and similar reduced shells will NOT work, because this script
|
||||
# requires all of these POSIX shell features:
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# * functions;
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# * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,
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# «${var#prefix}», «${var%suffix}», and «$( cmd )»;
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# * compound commands having a testable exit status, especially «case»;
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# * various built-in commands including «command», «set», and «ulimit».
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||||
#
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||||
# Important for patching:
|
||||
#
|
||||
# (2) This script targets any POSIX shell, so it avoids extensions provided
|
||||
# by Bash, Ksh, etc; in particular arrays are avoided.
|
||||
#
|
||||
# The "traditional" practice of packing multiple parameters into a
|
||||
# space-separated string is a well documented source of bugs and security
|
||||
# problems, so this is (mostly) avoided, by progressively accumulating
|
||||
# options in "$@", and eventually passing that to Java.
|
||||
#
|
||||
# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS,
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# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly;
|
||||
# see the in-line comments for details.
|
||||
#
|
||||
# There are tweaks for specific operating systems such as AIX, CygWin,
|
||||
# Darwin, MinGW, and NonStop.
|
||||
#
|
||||
# (3) This script is generated from the Groovy template
|
||||
# https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
|
||||
# within the Gradle project.
|
||||
#
|
||||
# You can find Gradle at https://github.com/gradle/gradle/.
|
||||
#
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##############################################################################
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||||
|
||||
# Attempt to set APP_HOME
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|
||||
# Resolve links: $0 may be a link
|
||||
app_path=$0
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||||
|
||||
# Need this for daisy-chained symlinks.
|
||||
while
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APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path
|
||||
[ -h "$app_path" ]
|
||||
do
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||||
ls=$( ls -ld "$app_path" )
|
||||
link=${ls#*' -> '}
|
||||
case $link in #(
|
||||
/*) app_path=$link ;; #(
|
||||
*) app_path=$APP_HOME$link ;;
|
||||
esac
|
||||
done
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||||
|
||||
APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
|
||||
|
||||
APP_NAME="Gradle"
|
||||
APP_BASE_NAME=${0##*/}
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||||
|
||||
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
|
||||
DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
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||||
|
||||
# Use the maximum available, or set MAX_FD != -1 to use that value.
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MAX_FD=maximum
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||||
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||||
warn () {
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echo "$*"
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} >&2
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||||
die () {
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||||
echo
|
||||
echo "$*"
|
||||
echo
|
||||
exit 1
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||||
} >&2
|
||||
|
||||
# OS specific support (must be 'true' or 'false').
|
||||
cygwin=false
|
||||
msys=false
|
||||
darwin=false
|
||||
nonstop=false
|
||||
case "$( uname )" in #(
|
||||
CYGWIN* ) cygwin=true ;; #(
|
||||
Darwin* ) darwin=true ;; #(
|
||||
MSYS* | MINGW* ) msys=true ;; #(
|
||||
NONSTOP* ) nonstop=true ;;
|
||||
esac
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||||
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||||
CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
|
||||
|
||||
|
||||
# Determine the Java command to use to start the JVM.
|
||||
if [ -n "$JAVA_HOME" ] ; then
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if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
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||||
# IBM's JDK on AIX uses strange locations for the executables
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||||
JAVACMD=$JAVA_HOME/jre/sh/java
|
||||
else
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||||
JAVACMD=$JAVA_HOME/bin/java
|
||||
fi
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||||
if [ ! -x "$JAVACMD" ] ; then
|
||||
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
|
||||
|
||||
Please set the JAVA_HOME variable in your environment to match the
|
||||
location of your Java installation."
|
||||
fi
|
||||
else
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||||
JAVACMD=java
|
||||
which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
|
||||
|
||||
Please set the JAVA_HOME variable in your environment to match the
|
||||
location of your Java installation."
|
||||
fi
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||||
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||||
# Increase the maximum file descriptors if we can.
|
||||
if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
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||||
case $MAX_FD in #(
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||||
max*)
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||||
MAX_FD=$( ulimit -H -n ) ||
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||||
warn "Could not query maximum file descriptor limit"
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||||
esac
|
||||
case $MAX_FD in #(
|
||||
'' | soft) :;; #(
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||||
*)
|
||||
ulimit -n "$MAX_FD" ||
|
||||
warn "Could not set maximum file descriptor limit to $MAX_FD"
|
||||
esac
|
||||
fi
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||||
|
||||
# Collect all arguments for the java command, stacking in reverse order:
|
||||
# * args from the command line
|
||||
# * the main class name
|
||||
# * -classpath
|
||||
# * -D...appname settings
|
||||
# * --module-path (only if needed)
|
||||
# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables.
|
||||
|
||||
# For Cygwin or MSYS, switch paths to Windows format before running java
|
||||
if "$cygwin" || "$msys" ; then
|
||||
APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
|
||||
CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )
|
||||
|
||||
JAVACMD=$( cygpath --unix "$JAVACMD" )
|
||||
|
||||
# Now convert the arguments - kludge to limit ourselves to /bin/sh
|
||||
for arg do
|
||||
if
|
||||
case $arg in #(
|
||||
-*) false ;; # don't mess with options #(
|
||||
/?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath
|
||||
[ -e "$t" ] ;; #(
|
||||
*) false ;;
|
||||
esac
|
||||
then
|
||||
arg=$( cygpath --path --ignore --mixed "$arg" )
|
||||
fi
|
||||
# Roll the args list around exactly as many times as the number of
|
||||
# args, so each arg winds up back in the position where it started, but
|
||||
# possibly modified.
|
||||
#
|
||||
# NB: a `for` loop captures its iteration list before it begins, so
|
||||
# changing the positional parameters here affects neither the number of
|
||||
# iterations, nor the values presented in `arg`.
|
||||
shift # remove old arg
|
||||
set -- "$@" "$arg" # push replacement arg
|
||||
done
|
||||
fi
|
||||
|
||||
# Collect all arguments for the java command;
|
||||
# * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of
|
||||
# shell script including quotes and variable substitutions, so put them in
|
||||
# double quotes to make sure that they get re-expanded; and
|
||||
# * put everything else in single quotes, so that it's not re-expanded.
|
||||
|
||||
set -- \
|
||||
"-Dorg.gradle.appname=$APP_BASE_NAME" \
|
||||
-classpath "$CLASSPATH" \
|
||||
org.gradle.wrapper.GradleWrapperMain \
|
||||
"$@"
|
||||
|
||||
# Use "xargs" to parse quoted args.
|
||||
#
|
||||
# With -n1 it outputs one arg per line, with the quotes and backslashes removed.
|
||||
#
|
||||
# In Bash we could simply go:
|
||||
#
|
||||
# readarray ARGS < <( xargs -n1 <<<"$var" ) &&
|
||||
# set -- "${ARGS[@]}" "$@"
|
||||
#
|
||||
# but POSIX shell has neither arrays nor command substitution, so instead we
|
||||
# post-process each arg (as a line of input to sed) to backslash-escape any
|
||||
# character that might be a shell metacharacter, then use eval to reverse
|
||||
# that process (while maintaining the separation between arguments), and wrap
|
||||
# the whole thing up as a single "set" statement.
|
||||
#
|
||||
# This will of course break if any of these variables contains a newline or
|
||||
# an unmatched quote.
|
||||
#
|
||||
|
||||
eval "set -- $(
|
||||
printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" |
|
||||
xargs -n1 |
|
||||
sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' |
|
||||
tr '\n' ' '
|
||||
)" '"$@"'
|
||||
|
||||
exec "$JAVACMD" "$@"
|
||||
|
|
@ -0,0 +1,89 @@
|
|||
@rem
|
||||
@rem Copyright 2015 the original author or authors.
|
||||
@rem
|
||||
@rem Licensed under the Apache License, Version 2.0 (the "License");
|
||||
@rem you may not use this file except in compliance with the License.
|
||||
@rem You may obtain a copy of the License at
|
||||
@rem
|
||||
@rem https://www.apache.org/licenses/LICENSE-2.0
|
||||
@rem
|
||||
@rem Unless required by applicable law or agreed to in writing, software
|
||||
@rem distributed under the License is distributed on an "AS IS" BASIS,
|
||||
@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
@rem See the License for the specific language governing permissions and
|
||||
@rem limitations under the License.
|
||||
@rem
|
||||
|
||||
@if "%DEBUG%" == "" @echo off
|
||||
@rem ##########################################################################
|
||||
@rem
|
||||
@rem Gradle startup script for Windows
|
||||
@rem
|
||||
@rem ##########################################################################
|
||||
|
||||
@rem Set local scope for the variables with windows NT shell
|
||||
if "%OS%"=="Windows_NT" setlocal
|
||||
|
||||
set DIRNAME=%~dp0
|
||||
if "%DIRNAME%" == "" set DIRNAME=.
|
||||
set APP_BASE_NAME=%~n0
|
||||
set APP_HOME=%DIRNAME%
|
||||
|
||||
@rem Resolve any "." and ".." in APP_HOME to make it shorter.
|
||||
for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
|
||||
|
||||
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
|
||||
set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
|
||||
|
||||
@rem Find java.exe
|
||||
if defined JAVA_HOME goto findJavaFromJavaHome
|
||||
|
||||
set JAVA_EXE=java.exe
|
||||
%JAVA_EXE% -version >NUL 2>&1
|
||||
if "%ERRORLEVEL%" == "0" goto execute
|
||||
|
||||
echo.
|
||||
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
|
||||
echo.
|
||||
echo Please set the JAVA_HOME variable in your environment to match the
|
||||
echo location of your Java installation.
|
||||
|
||||
goto fail
|
||||
|
||||
:findJavaFromJavaHome
|
||||
set JAVA_HOME=%JAVA_HOME:"=%
|
||||
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
|
||||
|
||||
if exist "%JAVA_EXE%" goto execute
|
||||
|
||||
echo.
|
||||
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
|
||||
echo.
|
||||
echo Please set the JAVA_HOME variable in your environment to match the
|
||||
echo location of your Java installation.
|
||||
|
||||
goto fail
|
||||
|
||||
:execute
|
||||
@rem Setup the command line
|
||||
|
||||
set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
|
||||
|
||||
|
||||
@rem Execute Gradle
|
||||
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
|
||||
|
||||
:end
|
||||
@rem End local scope for the variables with windows NT shell
|
||||
if "%ERRORLEVEL%"=="0" goto mainEnd
|
||||
|
||||
:fail
|
||||
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
|
||||
rem the _cmd.exe /c_ return code!
|
||||
if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
|
||||
exit /b 1
|
||||
|
||||
:mainEnd
|
||||
if "%OS%"=="Windows_NT" endlocal
|
||||
|
||||
:omega
|
||||
|
|
@ -0,0 +1,2 @@
|
|||
rootProject.name = "chat_demo1"
|
||||
include(":chat_demo1_web")
|
||||
Loading…
Reference in New Issue