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/**
*
* Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
*
* 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 org.apache.tuscany.core.invocation.impl;
import org.apache.tuscany.core.invocation.Interceptor;
import org.apache.tuscany.core.invocation.MessageHandler;
import org.apache.tuscany.core.message.Message;
/**
* A message handler that dispatches the message through an interceptor stack and the uses the response channel to
* return the invocation result.
*
* @version $Rev$ $Date$
*/
public class MessageDispatcher implements MessageHandler {
private final Interceptor head;
/**
* Construct a handler that dispatches messages to an Interceptor stack.
*
* @param head the interceptor at the head of the stack
*/
public MessageDispatcher(Interceptor head) {
this.head = head;
}
public boolean processMessage(Message msg) {
Message resp = head.invoke(msg);
msg.getCallbackChannel().send(resp);
return false;
}
}
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