1 files changed, 161 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/provider/AbstractMessageProcessor.java b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/provider/AbstractMessageProcessor.java
new file mode 100644
index 0000000000..9a5ac8598c
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/binding-jms-runtime/src/main/java/org/apache/tuscany/sca/binding/jms/provider/AbstractMessageProcessor.java
@@ -0,0 +1,161 @@
+/*
+ * 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.io.PrintWriter;
+import java.io.StringWriter;
+import java.lang.reflect.InvocationTargetException;
+import java.util.logging.Logger;
+
+import javax.jms.JMSException;
+import javax.jms.Message;
+import javax.jms.ObjectMessage;
+import javax.jms.Session;
+
+import org.apache.tuscany.sca.binding.jms.JMSBinding;
+import org.apache.tuscany.sca.binding.jms.JMSBindingConstants;
+import org.apache.tuscany.sca.binding.jms.JMSBindingException;
+import org.oasisopen.sca.ServiceRuntimeException;
+
+/**
+ * Base MessageProcessor for the JMSBinding.
+ * 
+ * @version $Rev$ $Date$
+ */
+public abstract class AbstractMessageProcessor implements JMSMessageProcessor {
+    private static final Logger logger = Logger.getLogger(AbstractMessageProcessor.class.getName());
+
+    protected String operationPropertyName;
+    protected boolean xmlFormat = true;
+
+    public AbstractMessageProcessor(JMSBinding jmsBinding) {
+        this.operationPropertyName = jmsBinding.getOperationSelectorPropertyName();
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see org.apache.tuscany.binding.jms.OperationAndDataBinding#getOperationName(javax.jms.Message)
+     */
+    public String getOperationName(Message message) {
+        try {
+
+            return message.getStringProperty(operationPropertyName);
+
+        } catch (JMSException e) {
+            throw new JMSBindingException("Exception retreiving operation name from message", e);
+        }
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see org.apache.tuscany.binding.jms.OperationAndDataBinding#setOperationName(javax.jms.Message, java.lang.String)
+     */
+    public void setOperationName(String operationName, Message message) {
+        try {
+            if (message != null) {
+                message.setStringProperty(operationPropertyName, operationName);
+            }
+        } catch (JMSException e) {
+            throw new JMSBindingException("Exception setting the operation name on message", e);
+        }
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see org.apache.tuscany.binding.jms.OperationAndDataBinding#extractPayload(javax.jms.Session, java.lang.Object)
+     */
+    public Message insertPayloadIntoJMSMessage(Session session, Object o) {
+        return createJMSMessage(session, o);
+    }
+
+    /*
+     * (non-Javadoc)
+     * 
+     * @see org.apache.tuscany.binding.jms.OperationAndDataBinding#extractPayload(javax.jms.Message)
+     */
+    public Object extractPayloadFromJMSMessage(Message msg) {
+        try {
+            if (msg.getBooleanProperty(JMSBindingConstants.FAULT_PROPERTY)) {
+                Object exc = ((ObjectMessage)msg).getObject();
+                if (exc instanceof RuntimeException) {
+                    throw new ServiceRuntimeException("remote service exception, see nested exception", (Throwable)exc);
+                } else {
+                    return new InvocationTargetException((Throwable) exc);
+                }
+            }
+        } catch (JMSException e) {
+            throw new JMSBindingException(e);
+        }
+        return extractPayload(msg);
+    }
+
+    public Message createFaultMessage(Session session, Throwable o) {
+        if (session == null) {
+            logger.fine("no response session to create fault message: " + String.valueOf(o));
+            return null;
+        }
+        try {
+
+            ObjectMessage message = session.createObjectMessage();
+            if (o instanceof RuntimeException || o instanceof Error) {
+                int recursionKlugeDetector = 20;
+                Throwable rootCause = o;
+                Throwable deepRootCause = rootCause.getCause();
+                do {
+                    if (rootCause == deepRootCause) {
+                        break;
+                    } else if (deepRootCause != null) {
+                        rootCause = deepRootCause;
+                    }
+
+                    if (recursionKlugeDetector-- <= 0) {
+                        break;
+                    }
+                } while (deepRootCause != null);
+
+                final StringWriter sw = new StringWriter();
+                final PrintWriter pw = new PrintWriter(sw);
+                pw.print("Message = " + o.getClass().getName() + ": " + o.getMessage());
+                StackTraceElement[] stackElements = o.getStackTrace();
+                for (int i = 0; i < stackElements.length; i++) {
+                        pw.print("\t>> \t at ");
+                        pw.println(stackElements[i].toString());
+                }
+                pw.flush();
+
+                message.setObject(new RuntimeException( sw.toString() ));
+            } else {
+                 message.setObject(o);
+            }
+            message.setBooleanProperty(JMSBindingConstants.FAULT_PROPERTY, true);
+            return message;
+
+        } catch (JMSException e) {
+            throw new JMSBindingException(e);
+        }
+    }
+
+    protected abstract Object extractPayload(Message msg);
+
+    protected abstract Message createJMSMessage(Session session, Object o);
+
+}