Java tutorial
/* * Copyright 2012 The Netty Project * * The Netty Project licenses this file to you under the Apache License, * version 2.0 (the "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * 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. */ package com.athena.dolly.websocket.server.test; import io.netty.bootstrap.ServerBootstrap; import io.netty.channel.Channel; import io.netty.channel.EventLoopGroup; import io.netty.channel.nio.NioEventLoopGroup; import io.netty.channel.socket.nio.NioServerSocketChannel; /** * A HTTP server which serves Web Socket requests at: * * https://localhost:8081/websocket * * Open your browser at https://localhost:8081/, then the demo page will be loaded and a Web Socket connection will be * made automatically. * * This server illustrates support for the different web socket specification versions and will work with: * * <ul> * <li>Safari 5+ (draft-ietf-hybi-thewebsocketprotocol-00) * <li>Chrome 6-13 (draft-ietf-hybi-thewebsocketprotocol-00) * <li>Chrome 14+ (draft-ietf-hybi-thewebsocketprotocol-10) * <li>Chrome 16+ (RFC 6455 aka draft-ietf-hybi-thewebsocketprotocol-17) * <li>Firefox 7+ (draft-ietf-hybi-thewebsocketprotocol-10) * </ul> */ public class WebSocketSslServer { private final int port; public WebSocketSslServer(int port) { this.port = port; } public void run() throws Exception { EventLoopGroup bossGroup = new NioEventLoopGroup(); EventLoopGroup workerGroup = new NioEventLoopGroup(); try { ServerBootstrap b = new ServerBootstrap(); b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class) .childHandler(new WebSocketSslServerInitializer()); Channel ch = b.bind(port).sync().channel(); System.out.println("Web socket server started at port " + port + '.'); System.out.println("Open your browser and navigate to https://localhost:" + port + '/'); ch.closeFuture().sync(); } finally { bossGroup.shutdownGracefully(); workerGroup.shutdownGracefully(); } } public static void main(String[] args) throws Exception { int port; if (args.length > 0) { port = Integer.parseInt(args[0]); } else { port = 8443; } String keyStoreFilePath = System.getProperty("keystore.file.path"); if (keyStoreFilePath == null || keyStoreFilePath.isEmpty()) { System.out.println("ERROR: System property keystore.file.path not set. Exiting now!"); System.exit(1); } String keyStoreFilePassword = System.getProperty("keystore.file.password"); if (keyStoreFilePassword == null || keyStoreFilePassword.isEmpty()) { System.out.println("ERROR: System property keystore.file.password not set. Exiting now!"); System.exit(1); } new WebSocketSslServer(port).run(); } }