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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.RstStreamFrame;
26  
27  public class RstStreamGenerator extends ControlFrameGenerator
28  {
29      public RstStreamGenerator(ByteBufferPool bufferPool)
30      {
31          super(bufferPool);
32      }
33  
34      @Override
35      public ByteBuffer generate(ControlFrame frame)
36      {
37          RstStreamFrame rstStream = (RstStreamFrame)frame;
38  
39          int frameBodyLength = 8;
40          int totalLength = ControlFrame.HEADER_LENGTH + frameBodyLength;
41          ByteBuffer buffer = getByteBufferPool().acquire(totalLength, true);
42          generateControlFrameHeader(rstStream, frameBodyLength, buffer);
43  
44          buffer.putInt(rstStream.getStreamId() & 0x7F_FF_FF_FF);
45          buffer.putInt(rstStream.getStatusCode());
46  
47          buffer.flip();
48          return buffer;
49      }
50  }