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.im.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; import io.netty.handler.logging.LogLevel; import io.netty.handler.logging.LoggingHandler; public final class WebSocketServer { static final boolean SSL = System.getProperty("ssl") != null; static final int PORT = 12000; public static void main(String[] args) throws Exception { // Configure SSL. EventLoopGroup bossGroup = new NioEventLoopGroup(1); EventLoopGroup workerGroup = new NioEventLoopGroup(); try { ServerBootstrap server = new ServerBootstrap(); server.group(bossGroup, workerGroup); server.channel(NioServerSocketChannel.class); server.handler(new LoggingHandler(LogLevel.INFO)); server.childHandler(new WebSocketServerInitializer()); Channel ch = server.bind(PORT).sync().channel(); System.out.println("Open your web browser and navigate to " + (SSL ? "https" : "http") + "://127.0.0.1:" + PORT + '/'); ch.closeFuture().sync(); } finally { bossGroup.shutdownGracefully(); workerGroup.shutdownGracefully(); } } }