1 files changed, 265 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/DefaultMessageProcessor.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/DefaultMessageProcessor.java
new file mode 100644
index 0000000000..0288ecb5ba
--- /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/DefaultMessageProcessor.java
@@ -0,0 +1,265 @@
+/*
+ * 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.IOException;
+import java.util.logging.Logger;
+
+import javax.jms.BytesMessage;
+import javax.jms.JMSException;
+import javax.jms.Message;
+import javax.jms.Session;
+import javax.jms.TextMessage;
+
+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.apache.tuscany.sca.binding.jms.provider.xml.XMLHelper;
+import org.apache.tuscany.sca.binding.jms.provider.xml.XMLHelperFactory;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.interfacedef.util.FaultException;
+
+/**
+ * MessageProcessor for sending/receiving XML over javax.jms.TextMessage or javax.jms.BytesMessage 
+ * with the JMSBinding.
+ * This is very specific to the default wire format and is not tied into the usual hierarchy
+ * of message processors
+ * 
+ * @version $Rev$ $Date$
+ */
+public class DefaultMessageProcessor extends AbstractMessageProcessor {
+    private static final Logger logger = Logger.getLogger(DefaultMessageProcessor.class.getName());
+
+    private XMLHelper xmlHelper;
+
+    public DefaultMessageProcessor(JMSBinding jmsBinding, ExtensionPointRegistry registry) {
+        super(jmsBinding);
+        this.xmlHelper = XMLHelperFactory.createXMLHelper(registry);
+    }
+    
+    // inherited methods that don't do anything useful
+    @Override
+    protected Message createJMSMessage(Session session, Object o) {
+        // should not be used
+        return null;
+    }
+    
+    @Override
+    protected Object extractPayload(Message msg) {
+        // if it's not a text/bytes message or a fault then we don;t know what to do with it
+        return null;
+    }
+    
+    // TODO - This makes the assumption that whatever the text/bytes configuration of the
+    //        jms binding, unchecked faults will be sent as bytes. 
+    @Override
+    public Message createFaultMessage(Session session, Throwable o) {
+        return createFaultJMSBytesMessage(session, o);
+    }
+    
+    // handle text messages
+    
+    public Object extractPayloadFromJMSTextMessage(Message msg, Object wrapper) {
+        if (msg instanceof TextMessage) {
+            try {
+                String xml = ((TextMessage) msg).getText();
+
+                Object os;
+                if (xml != null && xml.length() > 0) {
+                    os = xmlHelper.load(xml);
+                } else {
+                    os = null;
+                }
+                
+                if (wrapper != null){
+                    return xmlHelper.wrap(wrapper, os);
+                }
+                
+                return os;
+    
+            } catch (JMSException e) {
+                throw new JMSBindingException(e);
+            } catch (IOException e) {
+                throw new JMSBindingException(e);
+            }
+        } else {
+            // handle the non-text fault case
+            return super.extractPayloadFromJMSMessage(msg);
+        }
+    }
+    
+    public Message insertPayloadIntoJMSTextMessage(Session session, Object o, boolean unwrap) {
+
+        try {
+
+            TextMessage message = session.createTextMessage();
+
+            if ((o instanceof Object[])) {
+                if (unwrap){
+                    Object firstElement = xmlHelper.getFirstChild(((Object[])o)[0]);
+                    if (firstElement == null ) {
+                        message.setText(null);
+                    } else {
+                        message.setText(xmlHelper.saveAsString(firstElement));
+                    }
+                }else {
+                    message.setText(xmlHelper.saveAsString(((Object[])o)[0]));
+                }
+            } else if (o != null) {
+                if (unwrap){
+                    Object firstElement = xmlHelper.getFirstChild(o);
+                    if (firstElement == null ) {
+                        message.setText("");
+                    } else {
+                        message.setText(xmlHelper.saveAsString(firstElement));
+                    }
+                }else {
+                    message.setText(xmlHelper.saveAsString(o));
+                }
+            }
+
+            return message;
+
+        } catch (JMSException e) {
+            throw new JMSBindingException(e);
+        }
+    }
+
+    public Message createFaultJMSTextMessage(Session session, Throwable o) {
+
+        if (session == null) {
+            logger.fine("no response session to create fault message: " + String.valueOf(o));
+            return null;
+        }
+        if (o instanceof FaultException) {
+            try {
+
+                TextMessage message = session.createTextMessage();
+                message.setText(xmlHelper.saveAsString(((FaultException)o).getFaultInfo()));
+                message.setBooleanProperty(JMSBindingConstants.FAULT_PROPERTY, true);
+                return message;
+
+            } catch (JMSException e) {
+                throw new JMSBindingException(e);
+            }
+        } else {
+            // handle the non XML fault case
+            return super.createFaultMessage(session, o);
+        }
+    }
+
+    // handle bytes messages
+    
+    public Object extractPayloadFromJMSBytesMessage(Message msg, Object wrapper) {
+        
+        if (msg instanceof BytesMessage) {        
+            try {
+                Object os;
+    
+                long noOfBytes = ((BytesMessage) msg).getBodyLength();
+                byte[] bytes = new byte[(int) noOfBytes];
+                ((BytesMessage) msg).readBytes(bytes);
+                ((BytesMessage)msg).reset();
+
+                if ((bytes != null) && (bytes.length > 0)) {
+                    os = xmlHelper.load(new String(bytes));
+                } else {
+                    os = null;
+                }
+                
+                if (wrapper != null){
+                    return xmlHelper.wrap(wrapper, os);
+                }
+                
+                return os;
+    
+            } catch (JMSException e) {
+                throw new JMSBindingException(e);
+            } catch (IOException e) {
+                throw new JMSBindingException(e);
+            }
+        } else {
+            // trap the non-bytes fault case
+            return super.extractPayloadFromJMSMessage(msg);
+        }
+    }
+    
+    public Message insertPayloadIntoJMSBytesMessage(Session session, Object o, boolean unwrap) {
+
+        try {
+
+            BytesMessage message = session.createBytesMessage();
+
+            if ((o instanceof Object[])) {
+                if (unwrap){
+                    Object firstElement = xmlHelper.getFirstChild(((Object[])o)[0]);
+                    if (firstElement == null ) {
+                        //do nothing, the message will just be set with a byte[0]
+                    } else {
+                        message.writeBytes(xmlHelper.saveAsString(firstElement).getBytes());
+                    }
+
+                }else {
+                    message.writeBytes(xmlHelper.saveAsString(((Object[]) o)[0]).getBytes());
+                }
+            } else if (o != null) {
+                if (unwrap) {
+                    Object firstElement = xmlHelper.getFirstChild(o);
+                    if (firstElement == null ) {
+                        //do nothing, the message will just be set with a byte[0]
+                    } else {
+                        message.writeBytes(xmlHelper.saveAsString(firstElement).getBytes());
+                    }
+
+                } else {
+                    message.writeBytes(xmlHelper.saveAsString(o).getBytes());                    
+                }
+            }
+
+            return message;
+
+        } catch (JMSException e) {
+            throw new JMSBindingException(e);
+        }
+    }
+    
+    public Message createFaultJMSBytesMessage(Session session, Throwable o) {
+
+        if (session == null) {
+            logger.fine("no response session to create fault message: " + String.valueOf(o));
+            return null;
+        }
+        
+        if (o instanceof FaultException) {
+            try {
+
+                BytesMessage message = session.createBytesMessage();
+                String s = xmlHelper.saveAsString(((FaultException)o).getFaultInfo());
+                message.writeBytes(s.getBytes());
+                message.setBooleanProperty(JMSBindingConstants.FAULT_PROPERTY, true);
+                return message;
+
+            } catch (JMSException e) {
+                throw new JMSBindingException(e);
+            }
+        } else {
+            return super.createFaultMessage(session, o);
+        }
+    }    
+}