nettytimeclientdemo.TimeClient.java Source code

Introduction

Here is the source code for nettytimeclientdemo.TimeClient.java

Source

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package nettytimeclientdemo;

import io.netty.bootstrap.Bootstrap;
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.SocketChannel;
import io.netty.channel.socket.nio.NioSocketChannel;
import io.netty.handler.codec.LineBasedFrameDecoder;
import io.netty.handler.codec.string.StringDecoder;

/**
 *
 * @author allen
 */
public class TimeClient {

    public TimeClient() {
    } //TimeClient()

    /**
     *
     * @param port
     * @param host
     * @throws Exception
     */
    public void connect(int port, String host) throws Exception {

        EventLoopGroup group = new NioEventLoopGroup();

        try {
            Bootstrap bootstrap = new Bootstrap();

            bootstrap.group(group).channel(NioSocketChannel.class).option(ChannelOption.TCP_NODELAY, true)
                    .handler(new ChannelInitializer<SocketChannel>() {

                        @Override
                        protected void initChannel(SocketChannel c) throws Exception {
                            c.pipeline().addLast(new LineBasedFrameDecoder(1024));
                            c.pipeline().addLast(new StringDecoder());
                            c.pipeline().addLast(new TimeClientHandler());
                        } //initChannel()

                    });

            ChannelFuture future = bootstrap.connect(host, port).sync();

            future.channel().closeFuture().sync();
        } finally {
            group.shutdownGracefully();
        } //try-finally
    } //connect()

} //TimeClient