1 files changed, 173 insertions, 0 deletions
diff --git a/qpid/java/client/src/main/java/org/apache/qpid/client/message/AbstractJMSMessageFactory.java b/qpid/java/client/src/main/java/org/apache/qpid/client/message/AbstractJMSMessageFactory.java
new file mode 100644
index 0000000000..40c1df0c5d
--- /dev/null
+++ b/qpid/java/client/src/main/java/org/apache/qpid/client/message/AbstractJMSMessageFactory.java
@@ -0,0 +1,173 @@
+/*
+ *
+ * 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.apache.mina.common.ByteBuffer;
+
+import org.apache.qpid.AMQException;
+import org.apache.qpid.framing.AMQShortString;
+import org.apache.qpid.framing.ContentBody;
+import org.apache.qpid.framing.ContentHeaderBody;
+import org.apache.qpid.framing.BasicContentHeaderProperties;
+import org.apache.qpid.transport.MessageProperties;
+import org.apache.qpid.transport.DeliveryProperties;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.jms.JMSException;
+
+import java.util.Iterator;
+import java.util.List;
+
+public abstract class AbstractJMSMessageFactory implements MessageFactory
+{
+    private static final Logger _logger = LoggerFactory.getLogger(AbstractJMSMessageFactory.class);
+
+    protected AbstractJMSMessage create08MessageWithBody(long messageNbr, ContentHeaderBody contentHeader,
+                                                         AMQShortString exchange, AMQShortString routingKey,
+                                                         List bodies) throws AMQException
+    {
+        ByteBuffer data;
+        final boolean debug = _logger.isDebugEnabled();
+
+        // we optimise the non-fragmented case to avoid copying
+        if ((bodies != null) && (bodies.size() == 1))
+        {
+            if (debug)
+            {
+                _logger.debug("Non-fragmented message body (bodySize=" + contentHeader.bodySize + ")");
+            }
+
+            data = ((ContentBody) bodies.get(0)).payload;
+        }
+        else if (bodies != null)
+        {
+            if (debug)
+            {
+                _logger.debug("Fragmented message body (" + bodies
+                        .size() + " frames, bodySize=" + contentHeader.bodySize + ")");
+            }
+
+            data = ByteBuffer.allocate((int) contentHeader.bodySize); // XXX: Is cast a problem?
+            final Iterator it = bodies.iterator();
+            while (it.hasNext())
+            {
+                ContentBody cb = (ContentBody) it.next();
+                final ByteBuffer payload = cb.payload;
+                if(payload.isDirect() || payload.isReadOnly())
+                {
+                    data.put(payload);
+                }
+                else
+                {
+                    data.put(payload.array(), payload.arrayOffset(), payload.limit());
+                }
+
+                payload.release();
+            }
+
+            data.flip();
+        }
+        else // bodies == null
+        {
+            data = ByteBuffer.allocate(0);
+        }
+
+        if (debug)
+        {
+            _logger.debug("Creating message from buffer with position=" + data.position() + " and remaining=" + data
+                    .remaining());
+        }
+
+        AMQMessageDelegate delegate = new AMQMessageDelegate_0_8(messageNbr,
+                                                                 (BasicContentHeaderProperties) contentHeader.getProperties(),
+                                                                 exchange, routingKey);
+
+        return createMessage(delegate, data);
+    }
+
+    protected abstract AbstractJMSMessage createMessage(AMQMessageDelegate delegate, ByteBuffer data) throws AMQException;
+
+
+    protected AbstractJMSMessage create010MessageWithBody(long messageNbr, MessageProperties msgProps,
+                                                          DeliveryProperties deliveryProps,  
+                                                          java.nio.ByteBuffer body) throws AMQException
+    {
+        ByteBuffer data;
+        final boolean debug = _logger.isDebugEnabled();
+
+
+        if (body != null)
+        {
+            data = ByteBuffer.wrap(body);
+        }
+        else // body == null
+        {
+            data = ByteBuffer.allocate(0);
+        }
+
+        if (debug)
+        {
+            _logger.debug("Creating message from buffer with position=" + data.position() + " and remaining=" + data
+                    .remaining());
+        }
+        AMQMessageDelegate delegate = new AMQMessageDelegate_0_10(msgProps, deliveryProps, messageNbr);
+
+        AbstractJMSMessage message = createMessage(delegate, data);
+        return message;
+    }
+
+    private static final String asString(byte[] bytes)
+    {
+        if (bytes == null)
+        {
+            return null;
+        }
+        else
+        {
+            return new String(bytes);
+        }
+    }
+
+
+    public AbstractJMSMessage createMessage(long messageNbr, boolean redelivered, ContentHeaderBody contentHeader,
+                                            AMQShortString exchange, AMQShortString routingKey, List bodies)
+            throws JMSException, AMQException
+    {
+        final AbstractJMSMessage msg = create08MessageWithBody(messageNbr, contentHeader, exchange, routingKey, bodies);
+        msg.setJMSRedelivered(redelivered);
+        msg.receivedFromServer();
+        return msg;
+    }
+
+    public AbstractJMSMessage createMessage(long messageNbr, boolean redelivered, MessageProperties msgProps,
+                                            DeliveryProperties deliveryProps, java.nio.ByteBuffer body)
+            throws JMSException, AMQException
+    {
+        final AbstractJMSMessage msg =
+                create010MessageWithBody(messageNbr,msgProps,deliveryProps, body);
+        msg.setJMSRedelivered(redelivered);
+        msg.receivedFromServer();
+        return msg;
+    }
+
+}