ObjectEchoServerHandler.java

/**        
 * Copyright (c) 2013 by 苏州科大国创信息技术有限公司.    
 */    
package com.ustcinfo.netty.object.simple;

import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;

import java.util.logging.Level;
import java.util.logging.Logger;

/**
 * Handles both client-side and server-side handler depending on which
 * constructor was called.
 * 
 * Create on @2013-8-15 @上午10:10:38 
 * @author bsli@ustcinfo.com
 */
public class ObjectEchoServerHandler extends ChannelInboundHandlerAdapter {

    private static final Logger logger = Logger.getLogger(ObjectEchoServerHandler.class.getName());

    @Override
    public void channelRead(
            ChannelHandlerContext ctx, Object msg) throws Exception {
        // Echo back the received object to the client.
        ctx.write(msg);
    }

    @Override
    public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {
        ctx.flush();
    }

    @Override
    public void exceptionCaught(
            ChannelHandlerContext ctx, Throwable cause) throws Exception {
        logger.log(
                Level.WARNING,
                "Unexpected exception from downstream.", cause);
        ctx.close();
    }
}