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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.provider;
import java.lang.reflect.InvocationTargetException;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.jms.Destination;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageListener;
import javax.jms.MessageProducer;
import javax.jms.Queue;
import javax.jms.Session;
import javax.jms.Topic;
import javax.naming.NamingException;
import javax.security.auth.Subject;
import org.apache.tuscany.sca.assembly.Binding;
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.policy.authentication.token.JMSTokenAuthenticationPolicy;
import org.apache.tuscany.sca.core.assembly.EndpointReferenceImpl;
import org.apache.tuscany.sca.core.invocation.MessageImpl;
import org.apache.tuscany.sca.interfacedef.Operation;
import org.apache.tuscany.sca.policy.PolicySet;
import org.apache.tuscany.sca.policy.PolicySetAttachPoint;
import org.apache.tuscany.sca.policy.SecurityUtil;
import org.apache.tuscany.sca.policy.authentication.token.TokenPrincipal;
import org.apache.tuscany.sca.runtime.EndpointReference;
import org.apache.tuscany.sca.runtime.ReferenceParameters;
import org.apache.tuscany.sca.runtime.RuntimeComponentService;
/**
* Listener for the JMSBinding.
*
* @version $Rev$ $Date$
*/
public class DefaultJMSBindingListener implements MessageListener {
private static final Logger logger = Logger.getLogger(DefaultJMSBindingListener.class.getName());
private static final String ON_MESSAGE_METHOD_NAME = "onMessage";
private JMSBinding jmsBinding;
private Binding targetBinding;
private JMSResourceFactory jmsResourceFactory;
private RuntimeComponentService service;
private JMSMessageProcessor requestMessageProcessor;
private JMSMessageProcessor responseMessageProcessor;
private String correlationScheme;
private List<Operation> serviceOperations;
protected JMSTokenAuthenticationPolicy jmsTokenAuthenticationPolicy = null;
public DefaultJMSBindingListener(JMSBinding jmsBinding, JMSResourceFactory jmsResourceFactory, RuntimeComponentService service, Binding targetBinding) throws NamingException {
this.jmsBinding = jmsBinding;
this.jmsResourceFactory = jmsResourceFactory;
this.service = service;
this.targetBinding = targetBinding;
requestMessageProcessor = JMSMessageProcessorUtil.getRequestMessageProcessor(jmsBinding);
responseMessageProcessor = JMSMessageProcessorUtil.getResponseMessageProcessor(jmsBinding);
correlationScheme = jmsBinding.getCorrelationScheme();
serviceOperations = service.getInterfaceContract().getInterface().getOperations();
// find out which policies are active
if (jmsBinding instanceof PolicySetAttachPoint) {
List<PolicySet> policySets = ((PolicySetAttachPoint)jmsBinding).getApplicablePolicySets();
for (PolicySet ps : policySets) {
for (Object p : ps.getPolicies()) {
if (JMSTokenAuthenticationPolicy.class.isInstance(p)) {
jmsTokenAuthenticationPolicy = (JMSTokenAuthenticationPolicy)p;
}else {
// etc. check for other types of policy being present
}
}
}
}
}
public void onMessage(Message requestJMSMsg) {
logger.log(Level.FINE, "JMS service '" + service.getName() + "' received message " + requestJMSMsg);
try {
Object responsePayload = invokeService(requestJMSMsg);
sendReply(requestJMSMsg, responsePayload, false);
} catch (Throwable e) {
logger.log(Level.SEVERE, "Exception invoking service '" + service.getName(), e);
sendReply(requestJMSMsg, e, true);
}
}
/**
* Turn the JMS message back into a Tuscany message and invoke the target component
*
* @param requestJMSMsg
* @return
* @throws JMSException
* @throws InvocationTargetException
*/
protected Object invokeService(Message requestJMSMsg) throws JMSException, InvocationTargetException {
String operationName = requestMessageProcessor.getOperationName(requestJMSMsg);
Operation operation = getTargetOperation(operationName);
MessageImpl tuscanyMsg = new MessageImpl();
tuscanyMsg.setOperation(operation);
if ("onMessage".equals(operation.getName())) {
tuscanyMsg.setBody(new Object[]{requestJMSMsg});
} else {
Object requestPayload = requestMessageProcessor.extractPayloadFromJMSMessage(requestJMSMsg);
tuscanyMsg.setBody(requestPayload);
}
setHeaderProperties(requestJMSMsg, tuscanyMsg, operation);
return service.getRuntimeWire(targetBinding).invoke(operation, tuscanyMsg);
}
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;
}
protected void setHeaderProperties(Message requestJMSMsg, MessageImpl tuscanyMsg, Operation operation) throws JMSException {
EndpointReference from = new EndpointReferenceImpl(null);
tuscanyMsg.setFrom(from);
from.setCallbackEndpoint(new EndpointReferenceImpl("/")); // TODO: whats this for?
ReferenceParameters parameters = from.getReferenceParameters();
String conversationID = requestJMSMsg.getStringProperty(JMSBindingConstants.CONVERSATION_ID_PROPERTY);
if (conversationID != null) {
parameters.setConversationID(conversationID);
}
if (service.getInterfaceContract().getCallbackInterface() != null) {
String callbackdestName = requestJMSMsg.getStringProperty(JMSBindingConstants.CALLBACK_Q_PROPERTY);
if (callbackdestName == null && operation.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 = requestJMSMsg.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 = requestJMSMsg.getStringProperty(JMSBindingConstants.CALLBACK_ID_PROPERTY);
if (callbackID != null) {
parameters.setCallbackID(callbackID);
}
}
if (jmsTokenAuthenticationPolicy != null) {
String token = requestJMSMsg.getStringProperty(jmsTokenAuthenticationPolicy.getTokenName().toString());
Subject subject = SecurityUtil.getSubject(tuscanyMsg);
TokenPrincipal principal = SecurityUtil.getPrincipal(subject, TokenPrincipal.class);
if (principal == null){
principal = new TokenPrincipal(token);
subject.getPrincipals().add(principal);
}
}
}
protected void sendReply(Message requestJMSMsg, Object responsePayload, boolean isFault) {
try {
if (requestJMSMsg.getJMSReplyTo() == null) {
// assume no reply is expected
if (responsePayload != null) {
logger.log(Level.FINE, "JMS service '" + service.getName() + "' dropped response as request has no replyTo");
}
return;
}
Session session = jmsResourceFactory.createSession();
Message replyJMSMsg;
if (isFault) {
replyJMSMsg = responseMessageProcessor.createFaultMessage(session, (Throwable)responsePayload);
} else {
replyJMSMsg = responseMessageProcessor.insertPayloadIntoJMSMessage(session, responsePayload);
}
replyJMSMsg.setJMSDeliveryMode(requestJMSMsg.getJMSDeliveryMode());
replyJMSMsg.setJMSPriority(requestJMSMsg.getJMSPriority());
if (correlationScheme == null || JMSBindingConstants.CORRELATE_MSG_ID.equalsIgnoreCase(correlationScheme)) {
replyJMSMsg.setJMSCorrelationID(requestJMSMsg.getJMSMessageID());
} else if (JMSBindingConstants.CORRELATE_CORRELATION_ID.equalsIgnoreCase(correlationScheme)) {
replyJMSMsg.setJMSCorrelationID(requestJMSMsg.getJMSCorrelationID());
}
Destination destination = requestJMSMsg.getJMSReplyTo();
MessageProducer producer = session.createProducer(destination);
producer.send(replyJMSMsg);
producer.close();
session.close();
} catch (JMSException e) {
throw new JMSBindingException(e);
} catch (NamingException e) {
throw new JMSBindingException(e);
}
}
}
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