BootstrapClient.java

package com.manning.nettyinaction.chapter9;

import io.netty.bootstrap.Bootstrap;
import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelFuture;
import io.netty.channel.ChannelFutureListener;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.SimpleChannelInboundHandler;
import io.netty.channel.nio.NioEventLoopGroup;
import io.netty.channel.socket.nio.NioSocketChannel;

import java.net.InetSocketAddress;

/**
 * @author <a href="mailto:norman.maurer@googlemail.com">Norman Maurer</a>
 */
public class BootstrapClient {

    public void bootstrap() {
        Bootstrap bootstrap = new Bootstrap();
        bootstrap.group(new NioEventLoopGroup()).channel(NioSocketChannel.class)
                .handler(new SimpleChannelInboundHandler<ByteBuf>() {
                    @Override
                    protected void channelRead0(ChannelHandlerContext channelHandlerContext, ByteBuf byteBuf) throws Exception {
                        System.out.println("Reveived data");
                    }
                });
        ChannelFuture future = bootstrap.connect(new InetSocketAddress("www.manning.com", 80));
        future.addListener(new ChannelFutureListener() {
            @Override
            public void operationComplete(ChannelFuture channelFuture) throws Exception {
                if (channelFuture.isSuccess()) {
                    System.out.println("Connection established");
                } else {
                    System.err.println("Connection attempt failed");
                    channelFuture.cause().printStackTrace();
                }
            }
        });
    }

    public static void main(String[] args) {
        BootstrapClient client = new BootstrapClient();
        client.bootstrap();
    }
}