1 files changed, 174 insertions, 0 deletions
diff --git a/qpid/java/amqp-1-0-client/src/main/java/org/apache/qpid/amqp_1_0/jms/impl/MessageConsumerImpl.java b/qpid/java/amqp-1-0-client/src/main/java/org/apache/qpid/amqp_1_0/jms/impl/MessageConsumerImpl.java
new file mode 100644
index 0000000000..28985c52cd
--- /dev/null
+++ b/qpid/java/amqp-1-0-client/src/main/java/org/apache/qpid/amqp_1_0/jms/impl/MessageConsumerImpl.java
@@ -0,0 +1,174 @@
+/*
+ * 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.amqp_1_0.jms.impl;
+
+import org.apache.qpid.amqp_1_0.client.Receiver;
+import org.apache.qpid.amqp_1_0.jms.MessageConsumer;
+import org.apache.qpid.amqp_1_0.type.Binary;
+
+import javax.jms.Destination;
+import javax.jms.JMSException;
+import javax.jms.MessageListener;
+import javax.jms.Session;
+
+public class MessageConsumerImpl implements MessageConsumer
+{
+    private String _selector;
+    private boolean _noLocal;
+    private DestinationImpl _destination;
+    private SessionImpl _session;
+    private Receiver _receiver;
+    private Binary _lastUnackedMessage;
+
+    MessageConsumerImpl(final Destination destination,
+                        final SessionImpl session,
+                        final String selector,
+                        final boolean noLocal) throws JMSException
+    {
+        _selector = selector;
+        _noLocal = noLocal;
+        if(destination instanceof DestinationImpl)
+        {
+            _destination = (DestinationImpl) destination;
+        }
+        else if(destination != null)
+        {
+            // TODO - throw appropriate exception
+        }
+        _session = session;
+
+        _receiver = createClientReceiver();
+
+    }
+
+    protected Receiver createClientReceiver()
+    {
+        return _session.getClientSession().createReceiver(_destination.getAddress());
+    }
+
+    public String getMessageSelector() throws JMSException
+    {
+        return _selector;
+    }
+
+    public MessageListener getMessageListener() throws JMSException
+    {
+        return null;  //TODO
+    }
+
+    public void setMessageListener(final MessageListener messageListener) throws JMSException
+    {
+        //TODO
+    }
+
+    public MessageImpl receive() throws JMSException
+    {
+        return receiveImpl(-1L);
+    }
+
+    public MessageImpl receive(final long timeout) throws JMSException
+    {
+        // TODO - validate timeout > 0
+
+        return receiveImpl(timeout);
+    }
+
+    public MessageImpl receiveNoWait() throws JMSException
+    {
+        return receiveImpl(0L);
+    }
+
+    private MessageImpl receiveImpl(long timeout)
+    {
+        org.apache.qpid.amqp_1_0.client.Message msg = _receiver.receive(timeout);
+        if(msg != null)
+        {
+            preReceiveAction(msg);
+        }
+        return createJMSMessage(msg);
+    }
+
+
+    void acknowledge(final org.apache.qpid.amqp_1_0.client.Message msg)
+    {
+        _receiver.acknowledge(msg.getDeliveryTag());
+    }
+
+    private MessageImpl createJMSMessage(final org.apache.qpid.amqp_1_0.client.Message msg)
+    {
+        if(msg != null)
+        {
+            MessageFactory factory = _session.getMessageFactory();
+            return factory.createMessage(_destination, msg);
+        }
+        else
+        {
+            return null;
+        }
+    }
+
+    public void close() throws JMSException
+    {
+        //TODO
+    }
+
+    void setLastUnackedMessage(final Binary deliveryTag)
+    {
+        _lastUnackedMessage = deliveryTag;
+    }
+
+    void preReceiveAction(final org.apache.qpid.amqp_1_0.client.Message msg)
+    {
+        final int acknowledgeMode = _session.getAcknowledgeMode();
+
+        if(acknowledgeMode == Session.AUTO_ACKNOWLEDGE || acknowledgeMode == Session.DUPS_OK_ACKNOWLEDGE)
+        {
+            acknowledge(msg);
+        }
+        else if(acknowledgeMode == Session.CLIENT_ACKNOWLEDGE)
+        {
+            setLastUnackedMessage(msg.getDeliveryTag());
+        }
+    }
+
+    void acknowledgeAll()
+    {
+        if(_lastUnackedMessage != null)
+        {
+            _receiver.acknowledgeAll(_lastUnackedMessage);
+            _lastUnackedMessage = null;
+        }
+    }
+
+    public DestinationImpl getDestination()
+    {
+        return _destination;
+    }
+
+
+    public SessionImpl getSession()
+    {
+        return _session;
+    }
+
+    public boolean getNoLocal()
+    {
+        return _noLocal;
+    }
+}