1 files changed, 169 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/0.99-incubating/modules/binding-jms/src/main/java/org/apache/tuscany/sca/binding/jms/provider/JMSBindingInvoker.java b/sca-java-1.x/tags/0.99-incubating/modules/binding-jms/src/main/java/org/apache/tuscany/sca/binding/jms/provider/JMSBindingInvoker.java
new file mode 100644
index 0000000000..c6e3b799f4
--- /dev/null
+++ b/sca-java-1.x/tags/0.99-incubating/modules/binding-jms/src/main/java/org/apache/tuscany/sca/binding/jms/provider/JMSBindingInvoker.java
@@ -0,0 +1,169 @@
+/*
+ * 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 javax.jms.Destination;
+import javax.jms.JMSException;
+import javax.jms.Message;
+import javax.jms.MessageConsumer;
+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.interfacedef.Operation;
+import org.apache.tuscany.sca.invocation.Invoker;
+
+/**
+ * Interceptor for the JMS binding.
+ * 
+ * @version $Rev$ $Date$
+ */
+public class JMSBindingInvoker implements Invoker {
+
+    protected Operation           operation;
+    protected String              operationName; 
+    
+    protected JMSBinding          jmsBinding;
+    protected JMSResourceFactory  jmsResourceFactory;
+    protected JMSMessageProcessor requestMessageProcessor;
+    protected JMSMessageProcessor responseMessageProcessor;
+    protected Destination         requestDest;
+    protected Destination         replyDest;
+
+    public JMSBindingInvoker(JMSBinding jmsBinding,
+                             Operation  operation ) {
+        
+        this.operation           = operation;
+        operationName            = operation.getName();
+        
+        this.jmsBinding          = jmsBinding;
+        jmsResourceFactory       = jmsBinding.getJmsResourceFactory();
+        requestMessageProcessor  = jmsBinding.getRequestMessageProcessor();
+        responseMessageProcessor = jmsBinding.getResponseMessageProcessor();
+        try {
+            requestDest          = jmsResourceFactory.lookupDestination(jmsBinding.getDestinationName());
+            
+            if (requestDest == null){ 
+                if (jmsBinding.getDestinationCreate().equals(JMSBindingConstants.CREATE_ALLWAYS)) {
+                    requestDest = jmsResourceFactory.createDestination(jmsBinding.getDestinationName());
+                } else {
+                    throw new JMSBindingException("JMS Destination " + 
+                                                   jmsBinding.getDestinationName() +
+                                                   " not found while registering binding " + 
+                                                   jmsBinding.getName() +
+                                                   " invoker");
+                }
+            }
+            
+            replyDest            = jmsResourceFactory.lookupDestination(jmsBinding.getResponseDestinationName());
+            
+            if (replyDest == null){ 
+                if (jmsBinding.getResponseDestinationCreate().equals(JMSBindingConstants.CREATE_ALLWAYS)) {
+                    replyDest = jmsResourceFactory.createDestination(jmsBinding.getResponseDestinationName());
+                } else {
+                    throw new JMSBindingException("JMS Response Destination " + 
+                                                  jmsBinding.getDestinationName() +
+                                                  " not found while registering binding " + 
+                                                  jmsBinding.getName() +
+                                                   " invoker");
+                }
+            }
+        } catch (NamingException e) {
+            throw new JMSBindingException(e);
+        }            
+
+    }
+
+    public org.apache.tuscany.sca.invocation.Message invoke(org.apache.tuscany.sca.invocation.Message msg) {
+        try {
+            Object resp = invokeTarget((Object[])msg.getBody(), (short)0);
+            msg.setBody(resp);
+        } catch (InvocationTargetException e) {
+            msg.setFaultBody(e.getCause());
+        } catch (Throwable e) {
+            msg.setFaultBody(e);
+        }
+        return msg;
+    }
+    
+    public Object invokeTarget(Object payload, final short sequence) throws InvocationTargetException {
+        try {
+            Session session = jmsResourceFactory.createSession();
+            try {
+
+                Destination replyToDest = (replyDest != null) ? replyDest : session.createTemporaryQueue();
+                
+                Message requestMsg = sendRequest((Object[])payload, session, replyToDest);
+                Message replyMsg = receiveReply(session, replyToDest, requestMsg.getJMSMessageID());
+
+                return responseMessageProcessor.extractPayloadFromJMSMessage(replyMsg);
+
+            } finally {
+                session.close();
+            }
+        } catch (JMSException e) {
+            throw new InvocationTargetException(e);
+        } catch (NamingException e) {
+            throw new InvocationTargetException(e);
+        }
+    }
+    
+    public void stop() throws NamingException, JMSException{
+        jmsResourceFactory.closeConnection();
+    }
+
+    protected Message sendRequest(Object[] payload, Session session, Destination replyToDest) throws JMSException {
+
+        Message requestMsg = requestMessageProcessor.insertPayloadIntoJMSMessage(session, payload);
+
+        requestMsg.setJMSDeliveryMode(jmsBinding.getDeliveryMode());
+        requestMsg.setJMSPriority(jmsBinding.getPriority());
+
+        requestMessageProcessor.setOperationName(operationName, requestMsg);
+        requestMsg.setJMSReplyTo(replyToDest);
+
+        MessageProducer producer = session.createProducer(requestDest);
+        try {
+            producer.send(requestMsg);
+        } finally {
+            producer.close();
+        }
+        return requestMsg;
+    }
+
+    protected Message receiveReply(Session session, Destination replyToDest, String requestMsgId) throws JMSException,
+        NamingException {
+        String msgSelector = "JMSCorrelationID = '" + requestMsgId + "'";
+        MessageConsumer consumer = session.createConsumer(replyToDest, msgSelector);
+        Message replyMsg;
+        try {
+            jmsResourceFactory.startConnection();
+            replyMsg = consumer.receive(jmsBinding.getTimeToLive());
+        } finally {
+            consumer.close();
+        }
+        return replyMsg;
+    }
+
+}