com.sheldon.javaPrj.netty.TimeClientHandler.java Source code

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Here is the source code for com.sheldon.javaPrj.netty.TimeClientHandler.java

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package com.sheldon.javaPrj.netty;

import io.netty.buffer.ByteBuf;
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;
import java.util.Date;

/**
 *
 * @author xiangnan.wang@ipinyou.com
 */
public class TimeClientHandler extends ChannelInboundHandlerAdapter {

    private ByteBuf buf;

    @Override
    public void handlerAdded(ChannelHandlerContext ctx) throws Exception {
        buf = ctx.alloc().buffer(4);
    }

    @Override
    public void handlerRemoved(ChannelHandlerContext ctx) throws Exception {
        buf.release();
        buf = null;
    }

    @Override
    public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
        ByteBuf m = (ByteBuf) msg;
        buf.writeBytes(m);
        m.release();
        try {
            long currentTimeMillis = (buf.readUnsignedInt() - 2208988800L) * 1000L;
            System.out.println(new Date(currentTimeMillis));
            ctx.close();
        } finally {
            m.release();
        }
    }

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
        cause.printStackTrace();
        ctx.close();
    }

}