1 files changed, 195 insertions, 0 deletions
diff --git a/qpid/java/client/src/main/java/org/apache/qpid/client/message/MessageConverter.java b/qpid/java/client/src/main/java/org/apache/qpid/client/message/MessageConverter.java
new file mode 100644
index 0000000000..e606ef11c9
--- /dev/null
+++ b/qpid/java/client/src/main/java/org/apache/qpid/client/message/MessageConverter.java
@@ -0,0 +1,195 @@
+/*
+ *
+ * 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.qpid.client.message;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.apache.qpid.client.AMQSession;
+
+import javax.jms.*;
+
+import java.util.Enumeration;
+
+public class MessageConverter
+{
+
+    /**
+     * Log4J logger
+     */
+    protected final Logger _logger = LoggerFactory.getLogger(getClass());
+
+    /**
+     * AbstractJMSMessage which will hold the converted message
+     */
+    private AbstractJMSMessage _newMessage;
+
+    public MessageConverter(AbstractJMSMessage message) throws JMSException
+    {
+        _newMessage = message;
+    }
+
+    public MessageConverter(AMQSession session, BytesMessage bytesMessage) throws JMSException
+    {
+        bytesMessage.reset();
+
+        JMSBytesMessage nativeMsg = (JMSBytesMessage) session.createBytesMessage();
+
+        byte[] buf = new byte[1024];
+
+        int len;
+
+        while ((len = bytesMessage.readBytes(buf)) != -1)
+        {
+            nativeMsg.writeBytes(buf, 0, len);
+        }
+
+        _newMessage = nativeMsg;
+        setMessageProperties(bytesMessage);
+    }
+
+    public MessageConverter(AMQSession session, MapMessage message) throws JMSException
+    {
+        MapMessage nativeMessage = session.createMapMessage();
+
+        Enumeration mapNames = message.getMapNames();
+        while (mapNames.hasMoreElements())
+        {
+            String name = (String) mapNames.nextElement();
+            nativeMessage.setObject(name, message.getObject(name));
+        }
+
+        _newMessage = (AbstractJMSMessage) nativeMessage;
+        setMessageProperties(message);
+    }
+
+    public MessageConverter(AMQSession session, ObjectMessage origMessage) throws JMSException
+    {
+
+        ObjectMessage nativeMessage = session.createObjectMessage();
+
+        nativeMessage.setObject(origMessage.getObject());
+
+        _newMessage = (AbstractJMSMessage) nativeMessage;
+        setMessageProperties(origMessage);
+
+    }
+
+    public MessageConverter(AMQSession session, TextMessage message) throws JMSException
+    {
+        TextMessage nativeMessage = session.createTextMessage();
+
+        nativeMessage.setText(message.getText());
+
+        _newMessage = (AbstractJMSMessage) nativeMessage;
+        setMessageProperties(message);
+    }
+
+    public MessageConverter(AMQSession session, StreamMessage message) throws JMSException
+    {
+        StreamMessage nativeMessage = session.createStreamMessage();
+
+        try
+        {
+            message.reset();
+            while (true)
+            {
+                nativeMessage.writeObject(message.readObject());
+            }
+        }
+        catch (MessageEOFException e)
+        {
+            // we're at the end so don't mind the exception
+        }
+
+        _newMessage = (AbstractJMSMessage) nativeMessage;
+        setMessageProperties(message);
+    }
+
+    public MessageConverter(AMQSession session, Message message) throws JMSException
+    {
+        // Send a message with just properties.
+        // Throwing away content
+        Message nativeMessage = session.createMessage();
+
+        _newMessage = (AbstractJMSMessage) nativeMessage;
+        setMessageProperties(message);
+    }
+
+    public AbstractJMSMessage getConvertedMessage()
+    {
+        return _newMessage;
+    }
+
+    /**
+     * Sets all message properties
+     */
+    protected void setMessageProperties(Message message) throws JMSException
+    {
+        setNonJMSProperties(message);
+        setJMSProperties(message);
+    }
+
+    /**
+     * Sets all non-JMS defined properties on converted message
+     */
+    protected void setNonJMSProperties(Message message) throws JMSException
+    {
+        Enumeration propertyNames = message.getPropertyNames();
+        while (propertyNames.hasMoreElements())
+        {
+            String propertyName = String.valueOf(propertyNames.nextElement());
+            // TODO: Shouldn't need to check for JMS properties here as don't think getPropertyNames() should return them
+            if (!propertyName.startsWith("JMSX_"))
+            {
+                Object value = message.getObjectProperty(propertyName);
+                _newMessage.setObjectProperty(propertyName, value);
+            }
+        }
+    }
+
+    /**
+     * Exposed JMS defined properties on converted message:
+     * JMSDestination   - we don't set here
+     * JMSDeliveryMode  - set
+     * JMSExpiration    - we don't set here
+     * JMSPriority      - we don't set here
+     * JMSMessageID     - we don't set here
+     * JMSTimestamp     - we don't set here
+     * JMSCorrelationID - set
+     * JMSReplyTo       - set
+     * JMSType          - set
+     * JMSRedlivered    - we don't set here
+     */
+    protected void setJMSProperties(Message message) throws JMSException
+    {
+        _newMessage.setJMSDeliveryMode(message.getJMSDeliveryMode());
+
+        if (message.getJMSReplyTo() != null)
+        {
+            _newMessage.setJMSReplyTo(message.getJMSReplyTo());
+        }
+
+        _newMessage.setJMSType(message.getJMSType());
+
+        _newMessage.setJMSCorrelationID(message.getJMSCorrelationID());
+    }
+
+}