com.base.research.socket.netty.ServerHandler.java Source code

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Here is the source code for com.base.research.socket.netty.ServerHandler.java

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/*
 * Copyright 2012 The Netty Project
 *
 * The Netty Project licenses this file to you under the Apache License,
 * version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at:
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */
package com.base.research.socket.netty;

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

import java.util.Date;

/**
 * Handles a server-side channel.
 */
public class ServerHandler extends ChannelInboundHandlerAdapter { // (1)

    @Override
    public void channelRead(final ChannelHandlerContext ctx, Object msg) { // (2)
        Date date = (Date) msg;
        System.out.println("handle:" + date);

        ctx.fireChannelRead(date);

        // ?
        long timeMillis = System.currentTimeMillis();
        final ChannelFuture f = ctx.write(timeMillis);
        ctx.flush();
        System.out.println("flush");
        // final ChannelFuture f = ctx.writeAndFlush(time); // (3)
        f.addListener(new ChannelFutureListener() {
            @Override
            public void operationComplete(ChannelFuture future) {
                assert f == future;
                ctx.close();
                System.out.println("close-----------------");
            }
        });
    }

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) { // (4)
        // Close the connection when an exception is raised.
        cause.printStackTrace();
        ctx.close();
    }
}