View Javadoc

1   //
2   //  ========================================================================
3   //  Copyright (c) 1995-2013 Mort Bay Consulting Pty. Ltd.
4   //  ------------------------------------------------------------------------
5   //  All rights reserved. This program and the accompanying materials
6   //  are made available under the terms of the Eclipse Public License v1.0
7   //  and Apache License v2.0 which accompanies this distribution.
8   //
9   //      The Eclipse Public License is available at
10  //      http://www.eclipse.org/legal/epl-v10.html
11  //
12  //      The Apache License v2.0 is available at
13  //      http://www.opensource.org/licenses/apache2.0.php
14  //
15  //  You may elect to redistribute this code under either of these licenses.
16  //  ========================================================================
17  //
18  
19  package org.eclipse.jetty.spdy.generator;
20  
21  import java.nio.ByteBuffer;
22  
23  import org.eclipse.jetty.spdy.ByteBufferPool;
24  import org.eclipse.jetty.spdy.frames.ControlFrame;
25  import org.eclipse.jetty.spdy.frames.NoOpFrame;
26  
27  public class NoOpGenerator extends ControlFrameGenerator
28  {
29      public NoOpGenerator(ByteBufferPool bufferPool)
30      {
31          super(bufferPool);
32      }
33  
34      @Override
35      public ByteBuffer generate(ControlFrame frame)
36      {
37          NoOpFrame noOp = (NoOpFrame)frame;
38  
39          int frameBodyLength = 0;
40          int totalLength = ControlFrame.HEADER_LENGTH + frameBodyLength;
41          ByteBuffer buffer = getByteBufferPool().acquire(totalLength, true);
42          generateControlFrameHeader(noOp, frameBodyLength, buffer);
43  
44          buffer.flip();
45          return buffer;
46      }
47  }