com.yea.dispatcher.netty.handle.DispatchClientHandler.java Source code

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Here is the source code for com.yea.dispatcher.netty.handle.DispatchClientHandler.java

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/**
 * Copyright 2017 
 *
 * Licensed 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.yea.dispatcher.netty.handle;

import java.net.SocketAddress;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;

import io.netty.channel.ChannelHandler;
import io.netty.channel.ChannelHandlerContext;

import com.yea.core.remote.constants.RemoteConstants;
import com.yea.core.remote.struct.Message;
import com.yea.remote.netty.handle.NettyChannelHandler;
import com.yea.remote.netty.handle.observer.ChannelInboundHandlerObservable;

/**
 * ?
 * @author yiyongfei
 */
public class DispatchClientHandler extends ChannelInboundHandlerObservable implements NettyChannelHandler {
    private Map<SocketAddress, byte[]> mapConsumer = new ConcurrentHashMap<SocketAddress, byte[]>();

    public DispatchClientHandler() {
        super();
        cacheObserver = null;
    }

    @Override
    public void channelRead(ChannelHandlerContext ctx, Object msg) {
        Message message = (Message) msg;
        if (message.getHeader() != null
                && message.getHeader().getType() == RemoteConstants.MessageType.CONSUMER_REGISTER_RESULT.value()) {
            SocketAddress address = (SocketAddress) message.getBody();
            mapConsumer.put(address, message.getHeader().getSessionID());
        } else if (message.getHeader() != null
                && message.getHeader().getType() == RemoteConstants.MessageType.CONSUMER_LOGOUT_RESULT.value()) {
            SocketAddress address = (SocketAddress) message.getBody();
            byte[] sessionID = mapConsumer.get(address);
            mapConsumer.remove(address);
            notifyObservers(sessionID, message.getHeader(), address);
        } else if (message.getHeader() != null
                && message.getHeader().getType() == RemoteConstants.MessageType.PROVIDER_DISCOVER_RESULT.value()) {
            notifyObservers(message.getHeader().getSessionID(), message.getHeader(), message.getBody());
        } else if (message.getHeader() != null
                && message.getHeader().getType() == RemoteConstants.MessageType.PROVIDER_REGISTER_NOTIFY.value()) {
            Object[] params = (Object[]) message.getBody();
            byte[] sessionID = mapConsumer.get(params[0]);
            if (sessionID != null) {
                notifyObservers(sessionID, message.getHeader(), params[1]);
            }
        } else {
            ctx.fireChannelRead(msg);
        }
    }

    public ChannelHandler clone() throws CloneNotSupportedException {
        DispatchClientHandler obj = null;
        obj = (DispatchClientHandler) super.clone();
        return obj;
    }

    @Override
    public void setApplicationContext(ApplicationContext arg0) throws BeansException {
    }

}