| /* |
| * 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.transport; |
| |
| import java.util.logging.Level; |
| import java.util.logging.Logger; |
| |
| import javax.jms.DeliveryMode; |
| import javax.jms.Destination; |
| import javax.jms.JMSException; |
| import javax.jms.MessageProducer; |
| import javax.jms.Session; |
| import javax.naming.NamingException; |
| |
| import org.apache.tuscany.sca.assembly.AssemblyFactory; |
| import org.apache.tuscany.sca.assembly.Endpoint; |
| import org.apache.tuscany.sca.assembly.EndpointReference; |
| import org.apache.tuscany.sca.binding.jms.JMSBinding; |
| import org.apache.tuscany.sca.binding.jms.JMSBindingConstants; |
| 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.core.ExtensionPointRegistry; |
| import org.apache.tuscany.sca.core.FactoryExtensionPoint; |
| 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.RuntimeComponentService; |
| import org.apache.tuscany.sca.runtime.RuntimeEndpoint; |
| |
| /** |
| * |
| * @version $Rev$ $Date$ |
| */ |
| public class TransportServiceInterceptor implements Interceptor { |
| private static final Logger logger = Logger.getLogger(TransportServiceInterceptor.class.getName()); |
| |
| private Invoker next; |
| private JMSResourceFactory jmsResourceFactory; |
| private JMSBinding jmsBinding; |
| private JMSMessageProcessor responseMessageProcessor; |
| private RuntimeComponentService service; |
| private String correlationScheme; |
| private AssemblyFactory assemblyFactory; |
| |
| |
| public TransportServiceInterceptor(ExtensionPointRegistry registry, JMSBinding jmsBinding, JMSResourceFactory jmsResourceFactory, RuntimeEndpoint endpoint) { |
| super(); |
| this.jmsBinding = jmsBinding; |
| this.jmsResourceFactory = jmsResourceFactory; |
| this.responseMessageProcessor = JMSMessageProcessorUtil.getResponseMessageProcessor(registry, jmsBinding); |
| this.service = (RuntimeComponentService)endpoint.getService(); |
| this.correlationScheme = jmsBinding.getCorrelationScheme(); |
| FactoryExtensionPoint factories = registry.getExtensionPoint(FactoryExtensionPoint.class); |
| this.assemblyFactory = factories.getFactory(AssemblyFactory.class); |
| } |
| |
| public Message invoke(Message msg) { |
| try { |
| return invokeResponse(next.invoke(invokeRequest(msg))); |
| } catch (Throwable e) { |
| logger.log(Level.SEVERE, "Exception invoking service '" + service.getName(), e); |
| JMSBindingContext context = msg.getBindingContext(); |
| javax.jms.Message replyJMSMsg = responseMessageProcessor.createFaultMessage(context.getJmsResponseSession(), |
| (Throwable)e); |
| msg.setBody(replyJMSMsg); |
| invokeResponse(msg); |
| return msg; |
| } finally { |
| try { |
| ((JMSBindingContext)msg.getBindingContext()).closeJmsResponseSession(); |
| if (jmsResourceFactory.isConnectionClosedAfterUse()) |
| jmsResourceFactory.closeResponseConnection(); |
| } catch (JMSException e) { |
| } |
| } |
| } |
| |
| public Message invokeRequest(Message msg) { |
| // try { |
| |
| EndpointReference from = assemblyFactory.createEndpointReference(); |
| Endpoint fromEndpoint = assemblyFactory.createEndpoint(); |
| from.setTargetEndpoint(fromEndpoint); |
| from.setStatus(EndpointReference.Status.WIRED_TARGET_FOUND_AND_MATCHED); |
| msg.setFrom(from); |
| Endpoint callbackEndpoint = assemblyFactory.createEndpoint(); |
| // callbackEndpoint.setURI(callbackAddress); // TODO: is this needed? Seems to work without it |
| callbackEndpoint.setUnresolved(true); |
| from.setCallbackEndpoint(callbackEndpoint); |
| |
| return msg; |
| // } catch (JMSException e) { |
| // throw new JMSBindingException(e); |
| // } |
| } |
| |
| public Message invokeResponse(Message msg) { |
| JMSBindingContext context = msg.getBindingContext(); |
| try { |
| |
| //if operation is oneway, return back. |
| Operation operation = msg.getOperation(); |
| if (operation != null && operation.isNonBlocking()) { |
| return msg; |
| } |
| |
| Session session = context.getJmsResponseSession(); |
| javax.jms.Message requestJMSMsg = context.getJmsMsg(); |
| javax.jms.Message responseJMSMsg = msg.getBody(); |
| |
| Destination replyDest = requestJMSMsg.getJMSReplyTo(); |
| if (replyDest == null) { |
| if (jmsBinding.getResponseDestinationName() != null) { |
| try { |
| replyDest = jmsResourceFactory.lookupDestination(jmsBinding.getResponseDestinationName()); |
| } catch (NamingException e) { |
| throw new JMSBindingException("Exception lookingup response destination", e); |
| } |
| } |
| } |
| |
| if (replyDest == null) { |
| // assume no reply is expected |
| if (msg.getBody() != null) { |
| logger.log(Level.FINE, "JMS service '" + service.getName() + "' dropped response as request has no replyTo"); |
| } |
| return msg; |
| } |
| |
| if ((msg.getOperation() != null)) { |
| String operationName = msg.getOperation().getName(); |
| if (jmsBinding.getEffectiveJMSPriority(operationName) != null) { |
| responseJMSMsg.setJMSPriority(jmsBinding.getEffectiveJMSPriority(operationName)); |
| } |
| |
| if ( jmsBinding.getEffectiveJMSType(operationName) != null) { |
| responseJMSMsg.setJMSType(jmsBinding.getEffectiveJMSType(operationName)); |
| } |
| |
| if ((jmsBinding.getEffectiveJMSDeliveryMode(operationName) != null)) { |
| responseJMSMsg.setJMSDeliveryMode(jmsBinding.getEffectiveJMSDeliveryMode(operationName) ? DeliveryMode.PERSISTENT : DeliveryMode.NON_PERSISTENT); |
| } |
| |
| if ((jmsBinding.getEffectiveJMSTimeToLive(operationName) != null)) { |
| responseJMSMsg.setJMSExpiration(jmsBinding.getEffectiveJMSTimeToLive(operationName).longValue()); |
| } |
| } |
| |
| if (correlationScheme == null || |
| JMSBindingConstants.CORRELATE_MSG_ID.equalsIgnoreCase(correlationScheme)) { |
| responseJMSMsg.setJMSCorrelationID(requestJMSMsg.getJMSMessageID()); |
| } else if (JMSBindingConstants.CORRELATE_CORRELATION_ID.equalsIgnoreCase(correlationScheme)) { |
| responseJMSMsg.setJMSCorrelationID(requestJMSMsg.getJMSCorrelationID()); |
| } |
| |
| MessageProducer producer = session.createProducer(replyDest); |
| |
| // Set jms header attributes in producer, not message. |
| int deliveryMode = requestJMSMsg.getJMSDeliveryMode(); |
| producer.setDeliveryMode(deliveryMode); |
| int deliveryPriority = requestJMSMsg.getJMSPriority(); |
| producer.setPriority(deliveryPriority); |
| long timeToLive = requestJMSMsg.getJMSExpiration(); |
| producer.setTimeToLive(timeToLive); |
| |
| producer.send((javax.jms.Message)msg.getBody()); |
| |
| producer.close(); |
| |
| return msg; |
| |
| } catch (JMSException e) { |
| throw new JMSBindingException(e); |
| } finally { |
| context.closeJmsResponseSession(); |
| } |
| } |
| |
| public Invoker getNext() { |
| return next; |
| } |
| |
| public void setNext(Invoker next) { |
| this.next = next; |
| } |
| |
| } |