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.proxy; import io.netty.bootstrap.ServerBootstrap; import io.netty.channel.ChannelOption; 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; /** * Created by jerry on 2016/8/19. */ public final class ProxyServer { public static final int LOCAL_PORT = Integer.parseInt(System.getProperty("localPort", "8088")); public static final String REMOTE_HOST = System.getProperty("remoteHost", "beta-api.qoo-app.com"); public static final int REMOTE_PORT = Integer.parseInt(System.getProperty("remotePort", "80")); public void start(final String remoteHost, final int remotePort) throws InterruptedException { System.err.println("Proxying *:" + LOCAL_PORT + " to " + REMOTE_HOST + ':' + REMOTE_PORT + " ..."); // Configure the bootstrap. EventLoopGroup bossGroup = new NioEventLoopGroup(1); EventLoopGroup workerGroup = new NioEventLoopGroup(); try { ServerBootstrap b = new ServerBootstrap(); b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class) .handler(new LoggingHandler(LogLevel.INFO)) .childHandler(new ProxyChannelInit(remoteHost, remotePort)) .childOption(ChannelOption.AUTO_READ, false).bind(LOCAL_PORT).sync().channel().closeFuture() .sync(); } finally { bossGroup.shutdownGracefully(); workerGroup.shutdownGracefully(); } } public static void main(String[] args) throws Exception { ExceptRequest.except(new Request().method("get").uri("/v6/welcomes")) .response("40000004 You can't found me").submit(); new ProxyServer().start(REMOTE_HOST, REMOTE_PORT); } }