From 07b7dfd1a70ba222b899d9813f8c449dbf3b785f Mon Sep 17 00:00:00 2001 From: lresende Date: Wed, 11 Nov 2009 23:07:28 +0000 Subject: Moving 1.x branches git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@835124 13f79535-47bb-0310-9956-ffa450edef68 --- .../binding/jms/provider/JMSBindingListener.java | 155 +++++++++++++++++++++ 1 file changed, 155 insertions(+) create mode 100644 sca-java-1.x/branches/sca-java-1.1/modules/binding-jms/src/main/java/org/apache/tuscany/sca/binding/jms/provider/JMSBindingListener.java (limited to 'sca-java-1.x/branches/sca-java-1.1/modules/binding-jms/src/main/java/org/apache/tuscany/sca/binding/jms/provider/JMSBindingListener.java') diff --git a/sca-java-1.x/branches/sca-java-1.1/modules/binding-jms/src/main/java/org/apache/tuscany/sca/binding/jms/provider/JMSBindingListener.java b/sca-java-1.x/branches/sca-java-1.1/modules/binding-jms/src/main/java/org/apache/tuscany/sca/binding/jms/provider/JMSBindingListener.java new file mode 100644 index 0000000000..1c01786c31 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-1.1/modules/binding-jms/src/main/java/org/apache/tuscany/sca/binding/jms/provider/JMSBindingListener.java @@ -0,0 +1,155 @@ +/* + * 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 javax.jms.Destination; +import javax.jms.JMSException; +import javax.jms.Message; +import javax.jms.MessageListener; +import javax.jms.MessageProducer; +import javax.jms.Session; +import javax.naming.NamingException; + +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.host.jms.JMSResourceFactory; +import org.apache.tuscany.sca.interfacedef.Operation; +import org.apache.tuscany.sca.runtime.RuntimeComponentService; + +public class JMSBindingListener implements MessageListener { + + private static final String ON_MESSAGE_METHOD_NAME = "onMessage"; + private JMSBinding jmsBinding; + private JMSResourceFactory jmsResourceFactory; + private RuntimeComponentService service; + private JMSMessageProcessor requestMessageProcessor; + private JMSMessageProcessor responseMessageProcessor; + private String correlationScheme; + + public JMSBindingListener(JMSBinding jmsBinding, + JMSResourceFactory jmsResourceFactory, + RuntimeComponentService service) throws NamingException { + this.jmsBinding = jmsBinding; + this.jmsResourceFactory = jmsResourceFactory; + this.service = service; + requestMessageProcessor = jmsBinding.getRequestMessageProcessor(); + responseMessageProcessor = jmsBinding.getResponseMessageProcessor(); + correlationScheme = jmsBinding.getCorrelationScheme(); + } + + public void onMessage(Message requestJMSMsg) { + try { + Object responsePayload = invokeService(requestJMSMsg); + sendReply(requestJMSMsg, responsePayload); + } catch (Exception e) { + sendFaultReply(requestJMSMsg, e); + } + } + + /** + * 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); + Object requestPayload = requestMessageProcessor.extractPayloadFromJMSMessage(requestJMSMsg); + + List opList = service.getInterfaceContract().getInterface().getOperations(); + + Operation operation = null; + + if (opList.size() == 1) { + // SCA JMS Binding Specification - Rule 1.5.1 line 203 + operation = opList.get(0); + } else if (operationName != null) { + // SCA JMS Binding Specification - Rule 1.5.1 line 205 + for (Operation op : opList) { + if (op.getName().equals(operationName)) { + operation = op; + break; + } + } + } else { + // SCA JMS Binding Specification - Rule 1.5.1 line 207 + for (Operation op : opList) { + if (op.getName().equals(ON_MESSAGE_METHOD_NAME)) { + operation = op; + break; + } + } + } + + if (operation != null) { + return service.getRuntimeWire(jmsBinding).invoke(operation, (Object[])requestPayload); + } else { + throw new JMSBindingException("Can't find operation " + (operationName != null ? operationName + : ON_MESSAGE_METHOD_NAME)); + } + + } + + protected void sendReply(Message requestJMSMsg, Object responsePayload) { + try { + + if (requestJMSMsg.getJMSReplyTo() == null) { + // assume no reply is expected + return; + } + + Session session = jmsResourceFactory.createSession(); + Message 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); + } + } + + protected void sendFaultReply(Message requestJMSMsg, Exception e) { + sendReply(requestJMSMsg, new JMSBindingException("exception invoking JMS service", e)); + } + +} -- cgit v1.2.3