/*
* 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.dispather;
import com.alibaba.dubbo.common.URL;
import com.alibaba.dubbo.common.extension.ExtensionLoader;
import com.alibaba.dubbo.remoting.ChannelHandler;
import com.alibaba.dubbo.remoting.Dispather;
import com.alibaba.dubbo.remoting.exchange.support.header.HeartbeatHandler;
import com.alibaba.dubbo.remoting.transport.MultiMessageHandler;
/**
* @author chao.liuc
*
*/
public class ChannelHandlers {
public static ChannelHandler wrap(ChannelHandler handler, URL url){
return ChannelHandlers.getInstance().wrapInternal(handler, url);
}
protected ChannelHandlers() {}
protected ChannelHandler wrapInternal(ChannelHandler handler, URL url) {
return new MultiMessageHandler(
new HeartbeatHandler(
ExtensionLoader.getExtensionLoader(Dispather.class).getAdaptiveExtension().dispath(handler, url)
));
}
private static ChannelHandlers INSTANCE = new ChannelHandlers();
protected static ChannelHandlers getInstance() {
return INSTANCE;
}
static void setTestingChannelHandlers(ChannelHandlers instance) {
INSTANCE = instance;
}
}