nettyTimeServerDemo.TimeServer.java Source code

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Here is the source code for nettyTimeServerDemo.TimeServer.java

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package nettyTimeServerDemo;

import io.netty.bootstrap.ServerBootstrap;
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.NioServerSocketChannel;
import io.netty.handler.codec.LineBasedFrameDecoder;
import io.netty.handler.codec.string.StringDecoder;

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

    public TimeServer() {
    } //TimeServer()

    /**
     *
     * @param port
     * @throws Exception
     */
    public void bind(int port) throws Exception {

        EventLoopGroup bossGroup = new NioEventLoopGroup();
        EventLoopGroup workerGroup = new NioEventLoopGroup();

        try {

            ServerBootstrap bootstrap = new ServerBootstrap();

            bootstrap.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                    .option(ChannelOption.SO_BACKLOG, 1024).childHandler(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 TimeServerHandler());
                        } //initChannel()

                    });

            ChannelFuture future = bootstrap.bind(port).sync();

            future.channel().closeFuture().sync();
        } finally {
            bossGroup.shutdownGracefully();
            workerGroup.shutdownGracefully();
        } //try-finally        
    } //bind()            

} //TimeServer