diff options
Diffstat (limited to 'sca-java-1.x/tags/1.5/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/transport/TransportServiceInterceptor.java')
-rw-r--r-- | sca-java-1.x/tags/1.5/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/transport/TransportServiceInterceptor.java | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.5/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/transport/TransportServiceInterceptor.java b/sca-java-1.x/tags/1.5/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/transport/TransportServiceInterceptor.java new file mode 100644 index 0000000000..626e44f34f --- /dev/null +++ b/sca-java-1.x/tags/1.5/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/transport/TransportServiceInterceptor.java @@ -0,0 +1,188 @@ +/* + * 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.Destination; +import javax.jms.JMSException; +import javax.jms.MessageProducer; +import javax.jms.Session; +import javax.naming.NamingException; + +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.EndpointReference; +import org.apache.tuscany.sca.runtime.ReferenceParameters; +import org.apache.tuscany.sca.runtime.RuntimeComponentService; +import org.apache.tuscany.sca.runtime.RuntimeWire; + +/** + * + * @version $Rev$ $Date$ + */ +public class TransportServiceInterceptor implements Interceptor { + private static final Logger logger = Logger.getLogger(TransportServiceInterceptor.class.getName()); + + private Invoker next; + private RuntimeWire runtimeWire; + private JMSResourceFactory jmsResourceFactory; + private JMSBinding jmsBinding; + private JMSMessageProcessor requestMessageProcessor; + private JMSMessageProcessor responseMessageProcessor; + private RuntimeComponentService service; + private String correlationScheme; + + + public TransportServiceInterceptor(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.correlationScheme = jmsBinding.getCorrelationScheme(); + } + + 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 { + JMSBindingContext context = msg.getBindingContext(); + javax.jms.Message requestJMSMsg = context.getJmsMsg(); + + EndpointReference from = new EndpointReferenceImpl(null); + msg.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); + } + + return msg; + } catch (JMSException e) { + throw new JMSBindingException(e); + } + } + + public Message invokeResponse(Message msg) { + try { + + //if operation is oneway, return back. + Operation operation = msg.getOperation(); + if (operation != null && operation.isNonBlocking()) { + return msg; + } + + JMSBindingContext context = msg.getBindingContext(); + 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; + } + + responseJMSMsg.setJMSDeliveryMode(requestJMSMsg.getJMSDeliveryMode()); + responseJMSMsg.setJMSPriority(requestJMSMsg.getJMSPriority()); + + 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); + + producer.send((javax.jms.Message)msg.getBody()); + + producer.close(); + context.closeJmsResponseSession(); + + return msg; + + } catch (JMSException e) { + throw new JMSBindingException(e); + } + } + + public Invoker getNext() { + return next; + } + + public void setNext(Invoker next) { + this.next = next; + } + +} |