/*
* 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 org.apache.tuscany.sca.binding.jms.wireformat.jmsbytes.runtime;
import java.lang.reflect.InvocationTargetException;
import javax.jms.JMSException;
import javax.jms.Session;
import org.apache.tuscany.sca.binding.jms.JMSBinding;
import org.apache.tuscany.sca.binding.jms.JMSBindingException;
import org.apache.tuscany.sca.binding.jms.context.JMSBindingContext;
import org.apache.tuscany.sca.binding.jms.provider.JMSMessageProcessor;
import org.apache.tuscany.sca.binding.jms.provider.JMSMessageProcessorUtil;
import org.apache.tuscany.sca.binding.jms.provider.JMSResourceFactory;
import org.apache.tuscany.sca.binding.jms.wireformat.WireFormatJMSBytes;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.invocation.Interceptor;
import org.apache.tuscany.sca.invocation.Invoker;
import org.apache.tuscany.sca.invocation.Message;
import org.apache.tuscany.sca.runtime.RuntimeEndpointReference;
/**
*
* @version $Rev: 836009 $ $Date: 2009-11-13 21:49:15 +0000 (Fri, 13 Nov 2009) $
*/
public class WireFormatJMSBytesReferenceInterceptor implements Interceptor {
private Invoker next;
private RuntimeEndpointReference endpointReference;
private JMSResourceFactory jmsResourceFactory;
private JMSBinding jmsBinding;
private JMSMessageProcessor requestMessageProcessor;
private JMSMessageProcessor responseMessageProcessor;
public WireFormatJMSBytesReferenceInterceptor(ExtensionPointRegistry registry, JMSResourceFactory jmsResourceFactory, RuntimeEndpointReference endpointReference) {
super();
this.endpointReference = endpointReference;
this.jmsBinding = (JMSBinding) endpointReference.getBinding();
this.jmsResourceFactory = jmsResourceFactory;
this.requestMessageProcessor = JMSMessageProcessorUtil.getRequestMessageProcessor(registry, jmsBinding);
this.responseMessageProcessor = JMSMessageProcessorUtil.getResponseMessageProcessor(registry, jmsBinding);
}
public Message invoke(Message msg) {
if (jmsBinding.getRequestWireFormat() instanceof WireFormatJMSBytes){
msg = invokeRequest(msg);
}
msg = getNext().invoke(msg);
if (jmsBinding.getResponseWireFormat() instanceof WireFormatJMSBytes){
msg = invokeResponse(msg);
}
return msg;
}
public Message invokeRequest(Message msg) {
try {
// get the jms context
JMSBindingContext context = msg.getBindingContext();
Session session = context.getJmsSession();
Object[] requestParams = msg.getBody();
javax.jms.Message requestMsg = null;
if (requestParams != null && requestParams.length > 0 ){
requestMsg = requestMessageProcessor.insertPayloadIntoJMSMessage(session, requestParams[0]);
} else {
requestMsg = requestMessageProcessor.insertPayloadIntoJMSMessage(session, null);
}
msg.setBody(requestMsg);
requestMsg.setJMSReplyTo(context.getReplyToDestination());
return msg;
} catch (JMSException e) {
throw new JMSBindingException(e);
}
}
public Message invokeResponse(Message msg) {
if (msg.getBody() != null){
Object response = responseMessageProcessor.extractPayloadFromJMSMessage((javax.jms.Message)msg.getBody());
if (response instanceof InvocationTargetException) {
msg.setFaultBody(((InvocationTargetException) response).getCause());
} else {
if (response != null){
msg.setBody(response);
} else {
msg.setBody(null);
}
}
}
return msg;
}
public Invoker getNext() {
return next;
}
public void setNext(Invoker next) {
this.next = next;
}
}