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1   //
2   //  ========================================================================
3   //  Copyright (c) 1995-2016 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.websocket.jsr356.decoders;
20  
21  import java.nio.ByteBuffer;
22  
23  import javax.websocket.DecodeException;
24  import javax.websocket.Decoder;
25  import javax.websocket.PongMessage;
26  
27  import org.eclipse.jetty.util.BufferUtil;
28  
29  public class PongMessageDecoder extends AbstractDecoder implements Decoder.Binary<PongMessage>
30  {
31      private static class PongMsg implements PongMessage
32      {
33          private final ByteBuffer bytes;
34  
35          public PongMsg(ByteBuffer buf)
36          {
37              int len = buf.remaining();
38              this.bytes = ByteBuffer.allocate(len);
39              BufferUtil.put(buf,this.bytes);
40              BufferUtil.flipToFlush(this.bytes,0);
41          }
42  
43          @Override
44          public ByteBuffer getApplicationData()
45          {
46              return this.bytes;
47          }
48      }
49  
50      @Override
51      public PongMessage decode(ByteBuffer bytes) throws DecodeException
52      {
53          return new PongMsg(bytes);
54      }
55  
56      @Override
57      public boolean willDecode(ByteBuffer bytes)
58      {
59          return true;
60      }
61  }