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1   //
2   //  ========================================================================
3   //  Copyright (c) 1995-2015 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.http2.server;
20  
21  import java.nio.ByteBuffer;
22  
23  import org.eclipse.jetty.io.ByteBufferPool;
24  import org.eclipse.jetty.util.Callback;
25  
26  public class ByteBufferCallback implements Callback
27  {
28      private final ByteBufferPool byteBufferPool;
29      private final ByteBuffer buffer;
30      private final Callback callback;
31  
32      public ByteBufferCallback(ByteBufferPool byteBufferPool, ByteBuffer buffer, Callback callback)
33      {
34          this.byteBufferPool = byteBufferPool;
35          this.buffer = buffer;
36          this.callback = callback;
37      }
38  
39      @Override
40      public boolean isNonBlocking()
41      {
42          return callback.isNonBlocking();
43      }
44      
45      public ByteBuffer getByteBuffer()
46      {
47          return buffer;
48      }
49  
50      @Override
51      public void succeeded()
52      {
53          recycle();
54          callback.succeeded();
55      }
56  
57      @Override
58      public void failed(Throwable x)
59      {
60          recycle();
61          callback.failed(x);
62      }
63  
64      private void recycle()
65      {
66          byteBufferPool.release(buffer);
67      }
68  }