diff options
Diffstat (limited to 'branches/sca-java-20080910/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/provider/JMSBindingListener.java')
-rw-r--r-- | branches/sca-java-20080910/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/provider/JMSBindingListener.java | 232 |
1 files changed, 0 insertions, 232 deletions
diff --git a/branches/sca-java-20080910/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/provider/JMSBindingListener.java b/branches/sca-java-20080910/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/provider/JMSBindingListener.java deleted file mode 100644 index 4701c7b805..0000000000 --- a/branches/sca-java-20080910/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/provider/JMSBindingListener.java +++ /dev/null @@ -1,232 +0,0 @@ -/* - * 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 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.core.assembly.EndpointReferenceImpl; -import org.apache.tuscany.sca.core.invocation.MessageImpl; -import org.apache.tuscany.sca.interfacedef.Operation; -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 JMSBindingListener implements MessageListener { - - private static final Logger logger = Logger.getLogger(JMSBindingListener.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; - - public JMSBindingListener(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(); - - } - - 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(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); - } - } - } - - 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); - } - } - -} |