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Diffstat (limited to 'qpid/java/client/src/main/java/org/apache/qpid/nclient/util/MessagePartListenerAdapter.java')
-rw-r--r--qpid/java/client/src/main/java/org/apache/qpid/nclient/util/MessagePartListenerAdapter.java88
1 files changed, 88 insertions, 0 deletions
diff --git a/qpid/java/client/src/main/java/org/apache/qpid/nclient/util/MessagePartListenerAdapter.java b/qpid/java/client/src/main/java/org/apache/qpid/nclient/util/MessagePartListenerAdapter.java
new file mode 100644
index 0000000000..10fd8d2a80
--- /dev/null
+++ b/qpid/java/client/src/main/java/org/apache/qpid/nclient/util/MessagePartListenerAdapter.java
@@ -0,0 +1,88 @@
+package org.apache.qpid.nclient.util;
+/*
+ *
+ * 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.
+ *
+ */
+
+
+import java.io.IOException;
+import java.nio.ByteBuffer;
+
+import org.apache.qpid.transport.*;
+import org.apache.qpid.nclient.MessagePartListener;
+
+/**
+ * This is a simple message assembler.
+ * Will call onMessage method of the adaptee
+ * when all message data is read.
+ *
+ * This is a good convinience utility for handling
+ * small messages
+ */
+public class MessagePartListenerAdapter implements MessagePartListener
+{
+ MessageListener _adaptee;
+ ByteBufferMessage _currentMsg;
+
+ public MessagePartListenerAdapter(MessageListener listener)
+ {
+ _adaptee = listener;
+ }
+
+ public void messageTransfer(MessageTransfer xfr)
+ {
+ _currentMsg = new ByteBufferMessage(xfr.getId());
+
+ for (Struct st : xfr.getHeader().getStructs())
+ {
+ if(st instanceof DeliveryProperties)
+ {
+ _currentMsg.setDeliveryProperties((DeliveryProperties)st);
+
+ }
+ else if(st instanceof MessageProperties)
+ {
+ _currentMsg.setMessageProperties((MessageProperties)st);
+ }
+
+ }
+
+
+ ByteBuffer body = xfr.getBody();
+ if (body == null)
+ {
+ body = ByteBuffer.allocate(0);
+ }
+
+
+ try
+ {
+ _currentMsg.appendData(body);
+ }
+ catch(IOException e)
+ {
+ // A chance for IO exception
+ // doesn't occur as we are using
+ // a ByteBuffer
+ }
+
+ _adaptee.onMessage(_currentMsg);
+ }
+
+}