com.phei.netty.codec.msgpack.EchoClientHandler.java Source code

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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.phei.netty.codec.msgpack;

import io.netty.channel.ChannelHandlerAdapter;
import io.netty.channel.ChannelHandlerContext;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 * Handler implementation for the echo client. It initiates the ping-pong
 * traffic between the echo client and server by sending the first message to
 * the server.
 */
public class EchoClientHandler extends ChannelHandlerAdapter {

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

    private final int sendNumber;

    /**
     * Creates a client-side handler.
     */
    public EchoClientHandler(int sendNumber) {
        this.sendNumber = sendNumber;
    }

    @Override
    public void channelActive(ChannelHandlerContext ctx) {
        UserInfo[] infos = UserInfo();
        for (UserInfo infoE : infos) {
            ctx.write(infoE);
        }
        ctx.flush();
    }

    private UserInfo[] UserInfo() {
        UserInfo[] userInfos = new UserInfo[sendNumber];
        UserInfo userInfo = null;
        for (int i = 0; i < sendNumber; i++) {
            userInfo = new UserInfo();
            userInfo.setAge(i);
            userInfo.setName("ABCDEFG --->" + i);
            userInfos[i] = userInfo;
        }
        return userInfos;
    }

    @Override
    public void channelRead(ChannelHandlerContext ctx, Object msg) throws Exception {
        System.out.println("Client receive the msgpack message : " + msg);
        ctx.write(msg);
    }

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

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) {
        // Close the connection when an exception is raised.
        logger.log(Level.WARNING, "Unexpected exception from downstream.", cause);
        ctx.close();
    }
}