NettyHttpProxyServer.java

package httpproxy;

import io.netty.bootstrap.ServerBootstrap;
import io.netty.channel.Channel;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelInitializer;
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.codec.http.HttpObjectAggregator;
import io.netty.handler.codec.http.HttpResponseStatus;
import io.netty.handler.codec.http.HttpServerCodec;
import io.netty.handler.logging.LogLevel;
import io.netty.handler.logging.LoggingHandler;

public class NettyHttpProxyServer {
	public static final HttpResponseStatus SUCCESS = null;
	public static final int port = 8081;

	public static void main(String[] args) {
		EventLoopGroup bossGroup = new NioEventLoopGroup();
		EventLoopGroup workerGroup = new NioEventLoopGroup(2);
		try {
			ServerBootstrap b = new ServerBootstrap();
			b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class).option(ChannelOption.SO_BACKLOG, 100).option(ChannelOption.TCP_NODELAY, true).handler(new LoggingHandler(LogLevel.INFO)).childHandler(new ChannelInitializer<Channel>() {

				@Override
				protected void initChannel(Channel ch) throws Exception {
					ch.pipeline().addLast("httpCodec", new HttpServerCodec());
					ch.pipeline().addLast("httpObject", new HttpObjectAggregator(65536));
					ch.pipeline().addLast("serverHandle", new HttpProxyServerHandle());
				}
			});
			ChannelFuture f = b.bind(port).sync();
			f.channel().closeFuture().sync();
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			bossGroup.shutdownGracefully();
			workerGroup.shutdownGracefully();
		}
	}
}