1 files changed, 131 insertions, 0 deletions
diff --git a/sandbox/old/contrib/binding-jms/src/main/java/org/apache/tuscany/binding/jms/JMSProxy.java b/sandbox/old/contrib/binding-jms/src/main/java/org/apache/tuscany/binding/jms/JMSProxy.java
new file mode 100644
index 0000000000..56e367eca2
--- /dev/null
+++ b/sandbox/old/contrib/binding-jms/src/main/java/org/apache/tuscany/binding/jms/JMSProxy.java
@@ -0,0 +1,131 @@
+/*
+ * 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.binding.jms;
+
+import java.lang.reflect.Method;
+
+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.spi.model.Operation;
+import org.apache.tuscany.spi.wire.InboundWire;
+import org.apache.tuscany.spi.wire.Interceptor;
+import org.apache.tuscany.spi.wire.InvocationChain;
+import org.apache.tuscany.spi.wire.MessageImpl;
+
+public class JMSProxy implements MessageListener {
+
+    protected Method operationMethod;
+    protected JMSResourceFactory jmsResourceFactory;
+    protected OperationAndDataBinding requestOperationAndDataBinding;
+    protected OperationAndDataBinding responseOperationAndDataBinding;
+    protected InboundWire inboundWire;
+    protected String correlationScheme;
+
+    public JMSProxy(InboundWire inboundWire,
+                    JMSResourceFactory jmsResourceFactory,
+                    OperationAndDataBinding requestOperationAndDataBinding,
+                    OperationAndDataBinding responseOperationAndDataBinding,
+                    String correlationScheme) throws NamingException {
+
+        this.jmsResourceFactory = jmsResourceFactory;
+        this.requestOperationAndDataBinding = requestOperationAndDataBinding;
+        this.responseOperationAndDataBinding = responseOperationAndDataBinding;
+        this.inboundWire = inboundWire;
+        this.correlationScheme = correlationScheme;
+    }
+
+    public void onMessage(Message requestJMSMsg) {
+        try {
+            Object responsePayload = invokeService(requestJMSMsg);
+            sendReply(requestJMSMsg, responsePayload);
+        } catch (Exception e) {
+            sendFaultReply(requestJMSMsg, e);
+        }
+    }
+
+    protected Object invokeService(Message requestJMSMsg) throws JMSException {
+
+        String operationName = requestOperationAndDataBinding.getOperationName(requestJMSMsg);
+        Object requestPayload = requestOperationAndDataBinding.extractPayload(requestJMSMsg);
+
+        Operation op = (Operation)inboundWire.getServiceContract().getOperations().get(operationName);
+        InvocationChain chain = inboundWire.getInvocationChains().get(op);
+
+        org.apache.tuscany.spi.wire.Message tuscanyRequestMsg = new MessageImpl();
+        tuscanyRequestMsg.setTargetInvoker(chain.getTargetInvoker());
+        tuscanyRequestMsg.setBody(requestPayload);
+
+        org.apache.tuscany.spi.wire.Message tuscanyResponseMsg = null;
+
+        Interceptor headInterceptor = chain.getHeadInterceptor();
+        if (headInterceptor != null) {
+            tuscanyResponseMsg = headInterceptor.invoke(tuscanyRequestMsg);
+        }
+
+        // TODO: what if headInterceptor is null?
+
+        return tuscanyResponseMsg.getBody();
+    }
+
+    protected void sendReply(Message requestJMSMsg, Object responsePayload) {
+        try {
+
+            if (requestJMSMsg.getJMSReplyTo() == null) {
+                // assume no reply is expected
+                return;
+            }
+
+            Session session = jmsResourceFactory.createSession();
+            Message replyJMSMsg = responseOperationAndDataBinding.createJMSMessage(session, responsePayload);
+
+            replyJMSMsg.setJMSDeliveryMode(requestJMSMsg.getJMSDeliveryMode());
+            replyJMSMsg.setJMSPriority(requestJMSMsg.getJMSPriority());
+
+            if (correlationScheme == null || "RequestMsgIDToCorrelID".equalsIgnoreCase(correlationScheme)) {
+                replyJMSMsg.setJMSCorrelationID(requestJMSMsg.getJMSMessageID());
+            } else if ("RequestCorrelIDToCorrelID".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));
+    }
+
+}