blob: aaf3e2b3c15d59fff05c4e2bf1493170be2bd0d6 [file] [log] [blame]
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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.alibaba.dubbo.remoting.transport;
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;
import java.util.Arrays;
import java.util.Collection;
import java.util.concurrent.CopyOnWriteArraySet;
/**
* ChannelListenerDispatcher
*/
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.isEmpty()) {
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;
}
@Override
public void connected(Channel channel) {
for (ChannelHandler listener : channelHandlers) {
try {
listener.connected(channel);
} catch (Throwable t) {
logger.error(t.getMessage(), t);
}
}
}
@Override
public void disconnected(Channel channel) {
for (ChannelHandler listener : channelHandlers) {
try {
listener.disconnected(channel);
} catch (Throwable t) {
logger.error(t.getMessage(), t);
}
}
}
@Override
public void sent(Channel channel, Object message) {
for (ChannelHandler listener : channelHandlers) {
try {
listener.sent(channel, message);
} catch (Throwable t) {
logger.error(t.getMessage(), t);
}
}
}
@Override
public void received(Channel channel, Object message) {
for (ChannelHandler listener : channelHandlers) {
try {
listener.received(channel, message);
} catch (Throwable t) {
logger.error(t.getMessage(), t);
}
}
}
@Override
public void caught(Channel channel, Throwable exception) {
for (ChannelHandler listener : channelHandlers) {
try {
listener.caught(channel, exception);
} catch (Throwable t) {
logger.error(t.getMessage(), t);
}
}
}
}