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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.operationselector.jmsdefault;
import java.util.List;
import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.MessageProducer;
import javax.jms.Queue;
import javax.jms.Session;
import javax.jms.Topic;
import org.apache.tuscany.sca.binding.jms.context.JMSBindingContext;
import org.apache.tuscany.sca.binding.jms.impl.JMSBinding;
import org.apache.tuscany.sca.binding.jms.impl.JMSBindingConstants;
import org.apache.tuscany.sca.binding.jms.impl.JMSBindingException;
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.core.assembly.EndpointReferenceImpl;
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;
import org.apache.tuscany.sca.runtime.ReferenceParameters;
import org.apache.tuscany.sca.runtime.RuntimeComponentService;
import org.apache.tuscany.sca.runtime.RuntimeWire;
/**
* Policy handler to handle PolicySet related to Logging with the QName
* {http://tuscany.apache.org/xmlns/sca/1.0/impl/java}LoggingPolicy
*
* @version $Rev$ $Date$
*/
public class OperationSelectorJMSDefaultServiceInterceptor implements Interceptor {
private static final String ON_MESSAGE_METHOD_NAME = "onMessage";
private Invoker next;
private RuntimeWire runtimeWire;
private JMSResourceFactory jmsResourceFactory;
private JMSBinding jmsBinding;
private JMSMessageProcessor requestMessageProcessor;
private JMSMessageProcessor responseMessageProcessor;
private RuntimeComponentService service;
private List<Operation> serviceOperations;
public OperationSelectorJMSDefaultServiceInterceptor(JMSBinding jmsBinding, JMSResourceFactory jmsResourceFactory, RuntimeWire runtimeWire) {
super();
this.jmsBinding = jmsBinding;
this.runtimeWire = runtimeWire;
this.jmsResourceFactory = jmsResourceFactory;
this.requestMessageProcessor = JMSMessageProcessorUtil.getRequestMessageProcessor(jmsBinding);
this.responseMessageProcessor = JMSMessageProcessorUtil.getResponseMessageProcessor(jmsBinding);
this.service = (RuntimeComponentService)runtimeWire.getTarget().getContract();
this.serviceOperations = service.getInterfaceContract().getInterface().getOperations();
}
public Message invoke(Message msg) {
return next.invoke(invokeRequest(msg));
}
public Message invokeRequest(Message msg) {
try {
// get the jms context
JMSBindingContext context = (JMSBindingContext)msg.getHeaders().get(JMSBindingConstants.MSG_CTXT_POSITION);
javax.jms.Message jmsMsg = context.getJmsMsg();
String operationName = requestMessageProcessor.getOperationName(jmsMsg);
Operation operation = getTargetOperation(operationName);
msg.setOperation(operation);
ReferenceParameters parameters = msg.getFrom().getReferenceParameters();
if (service.getInterfaceContract().getCallbackInterface() != null) {
String callbackdestName = jmsMsg.getStringProperty(JMSBindingConstants.CALLBACK_Q_PROPERTY);
if (callbackdestName == null && msg.getOperation().isNonBlocking()) {
// if the request has a replyTo but this service operation is oneway but the service uses callbacks
// then use the replyTo as the callback destination
Destination replyTo = jmsMsg.getJMSReplyTo();
if (replyTo != null) {
callbackdestName = (replyTo instanceof Queue) ? ((Queue)replyTo).getQueueName() : ((Topic)replyTo).getTopicName();
}
}
if (callbackdestName != null) {
// append "jms:" to make it an absolute uri so the invoker can determine it came in on the request
// as otherwise the invoker should use the uri from the service callback binding
parameters.setCallbackReference(new EndpointReferenceImpl("jms:" + callbackdestName));
}
String callbackID = jmsMsg.getStringProperty(JMSBindingConstants.CALLBACK_ID_PROPERTY);
if (callbackID != null) {
parameters.setCallbackID(callbackID);
}
}
return msg;
} catch (JMSException e) {
throw new JMSBindingException(e);
}
}
protected Operation getTargetOperation(String operationName) {
Operation operation = null;
if (serviceOperations.size() == 1) {
// SCA JMS Binding Specification - Rule 1.5.1 line 203
operation = serviceOperations.get(0);
} else if (operationName != null) {
// SCA JMS Binding Specification - Rule 1.5.1 line 205
for (Operation op : serviceOperations) {
if (op.getName().equals(operationName)) {
operation = op;
break;
}
}
} else {
// SCA JMS Binding Specification - Rule 1.5.1 line 207
for (Operation op : serviceOperations) {
if (op.getName().equals(ON_MESSAGE_METHOD_NAME)) {
operation = op;
break;
}
}
}
if (operation == null) {
throw new JMSBindingException("Can't find operation " + (operationName != null ? operationName : ON_MESSAGE_METHOD_NAME));
}
return operation;
}
public Invoker getNext() {
return next;
}
public void setNext(Invoker next) {
this.next = next;
}
}
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