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/*
* 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.headers;
import java.util.Map;
import javax.jms.JMSException;
import org.apache.tuscany.sca.binding.jms.JMSBinding;
import org.apache.tuscany.sca.binding.jms.JMSBindingException;
import org.apache.tuscany.sca.binding.jms.provider.JMSMessageProcessor;
import org.apache.tuscany.sca.binding.jms.provider.JMSMessageProcessorUtil;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.core.invocation.InterceptorAsyncImpl;
import org.apache.tuscany.sca.interfacedef.Operation;
import org.apache.tuscany.sca.invocation.Interceptor;
import org.apache.tuscany.sca.invocation.Invoker;
import org.apache.tuscany.sca.invocation.Message;
public class HeaderServiceInterceptor extends InterceptorAsyncImpl {
private Invoker next;
private JMSBinding jmsBinding;
private JMSMessageProcessor responseMessageProcessor;
public HeaderServiceInterceptor(ExtensionPointRegistry extensions, JMSBinding jmsBinding) {
super();
this.jmsBinding = jmsBinding;
this.responseMessageProcessor = JMSMessageProcessorUtil.getResponseMessageProcessor(extensions, jmsBinding);
}
public Message invoke(Message msg) {
msg = invokeRequest( msg );
return invokeResponse(next.invoke(msg));
}
public Message invokeRequest(Message tuscanyMsg) {
try {
javax.jms.Message jmsMsg = tuscanyMsg.getBody();
// Handle MESSAGE_ID field of the JMS message, which is used to correlate async callbacks
String msgID = (String)jmsMsg.getObjectProperty("MESSAGE_ID");
if( msgID != null ) {
tuscanyMsg.getHeaders().put("MESSAGE_ID", msgID);
} // end if
//
} catch (JMSException e) {
throw new JMSBindingException(e);
} // end try
return tuscanyMsg;
} // end method invokeRequest
public Message invokeResponse(Message tuscanyMsg) {
try {
javax.jms.Message jmsMsg = tuscanyMsg.getBody();
Operation operation = tuscanyMsg.getOperation();
String operationName = operation.getName();
responseMessageProcessor.setOperationName(operationName, jmsMsg);
for (String propName : jmsBinding.getPropertyNames()) {
Object value = jmsBinding.getProperty(propName);
jmsMsg.setObjectProperty(propName, value);
} // end for
Map<String, Object> operationProperties = jmsBinding.getOperationProperties(operationName);
if (operationProperties != null) {
for (String propName : operationProperties.keySet()) {
Object value = operationProperties.get(propName);
jmsMsg.setObjectProperty(propName, value);
} // end for
} // end if
// Put a "RELATES_TO" property into the response message
String relatesTo = (String)tuscanyMsg.getHeaders().get("RELATES_TO");
if( relatesTo != null ) {
jmsMsg.setStringProperty("RELATES_TO", relatesTo);
} // end if
return tuscanyMsg;
} catch (JMSException e) {
throw new JMSBindingException(e);
} // end try
} // end method invokeResponse
public Invoker getNext() {
return next;
} // end method getNext
public void setNext(Invoker next) {
this.next = next;
}
public Message processRequest(Message msg) {
return invokeRequest(msg);
} // end method processRequest
public Message processResponse(Message msg) {
return invokeResponse(msg);
} // end method processResponse
} // end class
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