New framing classes for AMQP 0-9 request and response

git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/branches/qpid.0-9@493157 13f79535-47bb-0310-9956-ffa450edef68

2 files changed, 172 insertions, 0 deletions

diff --git a/java/common/src/main/java/org/apache/qpid/framing/AMQRequest.java b/java/common/src/main/java/org/apache/qpid/framing/AMQRequest.java
new file mode 100644
index 0000000000..821b5d177d
--- /dev/null
+++ b/java/common/src/main/java/org/apache/qpid/framing/AMQRequest.java
@@ -0,0 +1,86 @@
+/*
+ *
+ * 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.framing;
+
+import org.apache.mina.common.ByteBuffer;
+
+public class AMQRequest extends AMQBody
+{
+    public static final byte TYPE = (byte)AmqpConstants.frameRequestAsInt();
+       
+    // Fields declared in specification
+    public long requestId;
+    public long responseMark;
+    public AMQMethodBody methodPayload;
+
+
+    // Constructor
+    public AMQRequest() {}
+
+    // Field methods
+    
+    public long getRequestId() { return requestId; }
+    public long getResponseMark() { return responseMark; }
+    public AMQMethodBody getMethodPayload() { return methodPayload; }
+    
+    
+    protected byte getFrameType()
+    {
+    	return TYPE;
+    }
+    
+    protected int getSize()
+    {
+    	return 8 + 8 + 4 + methodPayload.getBodySize();
+    }
+    
+    protected void writePayload(ByteBuffer buffer)
+    {
+    	EncodingUtils.writeLong(buffer, requestId);
+    	EncodingUtils.writeLong(buffer, responseMark);
+    	EncodingUtils.writeUnsignedShort(buffer, 0); // reserved, set to 0
+        methodPayload.writePayload(buffer);
+    }
+    
+    protected void populateFromBuffer(ByteBuffer buffer, long size)
+        throws AMQFrameDecodingException, AMQProtocolVersionException
+    {
+    	requestId = EncodingUtils.readLong(buffer);
+    	responseMark = EncodingUtils.readLong(buffer);
+    	int reserved = EncodingUtils.readShort(buffer); // reserved, throw away
+    	methodPayload.populateFromBuffer(buffer, size - 8 - 8 - 4);
+    }
+    
+    public static AMQFrame createAMQFrame(int channelId, long requestId,
+            long responseMark, AMQMethodBody methodPayload)
+    {
+        AMQResponse responseFrame = new AMQResponse();
+        responseFrame.requestId = requestId;
+        responseFrame.responseMark = responseMark;
+        responseFrame.methodPayload = methodPayload;
+
+        
+        AMQFrame frame = new AMQFrame();
+        frame.channel = channelId;
+        frame.bodyFrame = responseFrame;
+        return frame;
+    }
+}
diff --git a/java/common/src/main/java/org/apache/qpid/framing/AMQResponse.java b/java/common/src/main/java/org/apache/qpid/framing/AMQResponse.java
new file mode 100644
index 0000000000..bf4bec8cda
--- /dev/null
+++ b/java/common/src/main/java/org/apache/qpid/framing/AMQResponse.java
@@ -0,0 +1,86 @@
+/*
+ *
+ * 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.framing;
+
+import org.apache.mina.common.ByteBuffer;
+
+public class AMQResponse extends AMQBody
+{
+    public static final byte TYPE = (byte)AmqpConstants.frameResponseAsInt();
+       
+    // Fields declared in specification
+    public long requestId;
+    public long responseMark;
+    public int batchOffset;
+    public AMQMethodBody methodPayload;
+
+    // Constructor
+    public AMQResponse() {}
+
+    // Field methods
+    
+    public long getRequestId() { return requestId; }
+    public long getResponseMark() { return responseMark; }
+    public int  getBatchOffset() { return batchOffset; }
+    public AMQMethodBody getMethodPayload() { return methodPayload; }
+    
+    protected byte getFrameType()
+    {
+        return TYPE;
+    }
+    
+    protected int getSize()
+    {
+        return 8 + 8 + 4 + methodPayload.getBodySize();
+    }
+    
+    protected void writePayload(ByteBuffer buffer)
+    {
+        EncodingUtils.writeLong(buffer, requestId);
+        EncodingUtils.writeLong(buffer, responseMark);
+        EncodingUtils.writeUnsignedShort(buffer, batchOffset);
+        methodPayload.writePayload(buffer);
+    }
+    
+    protected void populateFromBuffer(ByteBuffer buffer, long size)
+        throws AMQFrameDecodingException, AMQProtocolVersionException
+    {
+        requestId = EncodingUtils.readLong(buffer);
+        responseMark = EncodingUtils.readLong(buffer);
+        batchOffset = EncodingUtils.readShort(buffer);
+        methodPayload.populateFromBuffer(buffer, size - 8 - 8 - 4);
+    }
+    
+    public static AMQFrame createAMQFrame(int channelId, long requestId,
+            long responseMark, int batchOffset, AMQMethodBody methodPayload)
+    {
+        AMQResponse responseFrame = new AMQResponse();
+        responseFrame.requestId = requestId;
+        responseFrame.responseMark = responseMark;
+        responseFrame.batchOffset = batchOffset;
+        responseFrame.methodPayload = methodPayload;
+        
+        AMQFrame frame = new AMQFrame();
+        frame.channel = channelId;
+        frame.bodyFrame = responseFrame;
+        return frame;
+    }
+}