/* | |
* Copyright 1999-2011 Alibaba Group. | |
* | |
* 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.alibaba.dubbo.remoting.transport; | |
import java.util.Arrays; | |
import java.util.Collection; | |
import java.util.concurrent.CopyOnWriteArraySet; | |
import com.alibaba.dubbo.common.logger.Logger; | |
import com.alibaba.dubbo.common.logger.LoggerFactory; | |
import com.alibaba.dubbo.remoting.Channel; | |
import com.alibaba.dubbo.remoting.ChannelHandler; | |
/** | |
* ChannelListenerDispatcher | |
* | |
* @author william.liangf | |
*/ | |
public class ChannelHandlerDispatcher implements ChannelHandler { | |
private static final Logger logger = LoggerFactory.getLogger(ChannelHandlerDispatcher.class); | |
private final Collection<ChannelHandler> channelHandlers = new CopyOnWriteArraySet<ChannelHandler>(); | |
public ChannelHandlerDispatcher() { | |
} | |
public ChannelHandlerDispatcher(ChannelHandler... handlers) { | |
this(handlers == null ? null : Arrays.asList(handlers)); | |
} | |
public ChannelHandlerDispatcher(Collection<ChannelHandler> handlers) { | |
if (handlers != null && handlers.size() > 0) { | |
this.channelHandlers.addAll(handlers); | |
} | |
} | |
public Collection<ChannelHandler> getChannelHandlers() { | |
return channelHandlers; | |
} | |
public ChannelHandlerDispatcher addChannelHandler(ChannelHandler handler) { | |
this.channelHandlers.add(handler); | |
return this; | |
} | |
public ChannelHandlerDispatcher removeChannelHandler(ChannelHandler handler) { | |
this.channelHandlers.remove(handler); | |
return this; | |
} | |
public void connected(Channel channel) { | |
for (ChannelHandler listener : channelHandlers) { | |
try { | |
listener.connected(channel); | |
} catch (Throwable t) { | |
logger.error(t.getMessage(), t); | |
} | |
} | |
} | |
public void disconnected(Channel channel) { | |
for (ChannelHandler listener : channelHandlers) { | |
try { | |
listener.disconnected(channel); | |
} catch (Throwable t) { | |
logger.error(t.getMessage(), t); | |
} | |
} | |
} | |
public void sent(Channel channel, Object message) { | |
for (ChannelHandler listener : channelHandlers) { | |
try { | |
listener.sent(channel, message); | |
} catch (Throwable t) { | |
logger.error(t.getMessage(), t); | |
} | |
} | |
} | |
public void received(Channel channel, Object message) { | |
for (ChannelHandler listener : channelHandlers) { | |
try { | |
listener.received(channel, message); | |
} catch (Throwable t) { | |
logger.error(t.getMessage(), t); | |
} | |
} | |
} | |
public void caught(Channel channel, Throwable exception) { | |
for (ChannelHandler listener : channelHandlers) { | |
try { | |
listener.caught(channel, exception); | |
} catch (Throwable t) { | |
logger.error(t.getMessage(), t); | |
} | |
} | |
} | |
} |