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 net.yuntutv.a8.ws; import io.netty.buffer.ByteBuf; import io.netty.channel.Channel; import io.netty.channel.ChannelHandler.Sharable; import io.netty.channel.ChannelHandlerContext; import io.netty.channel.ChannelInboundHandlerAdapter; import java.util.ArrayList; import java.util.List; import java.util.concurrent.BlockingQueue; import java.util.concurrent.LinkedBlockingQueue; /** * Handler implementation for the echo server. */ @Sharable public class EchoServerHandler extends ChannelInboundHandlerAdapter { public static BlockingQueue<String> queue = new LinkedBlockingQueue<>(); public static Channel c; static { Thread t = new Thread() { public void run() { while (true) { try { String s = queue.take(); c.write(s); } catch (InterruptedException e) { } } } }; t.start(); } @Override public void channelRead(ChannelHandlerContext ctx, Object msg) { c = ctx.channel(); ByteBuf bb = (ByteBuf) msg; byte[] bs = new byte[bb.readableBytes()]; bb.getBytes(0, bs); String s = new String(bs); s = s.replaceAll("\\s", ""); System.out.println(s); ctx.write(s); // try { // queue.put(s); // } catch (InterruptedException e) { // e.printStackTrace(); // } } @Override public void channelReadComplete(ChannelHandlerContext ctx) { ctx.flush(); } @Override public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) { // Close the connection when an exception is raised. cause.printStackTrace(); ctx.close(); } }