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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.client.masks;
20  
21  import java.util.Random;
22  
23  import org.eclipse.jetty.websocket.common.WebSocketFrame;
24  
25  public class RandomMasker implements Masker
26  {
27      private final Random random;
28  
29      public RandomMasker()
30      {
31          this(new Random());
32      }
33  
34      public RandomMasker(Random random)
35      {
36          this.random = random;
37      }
38  
39      @Override
40      public void setMask(WebSocketFrame frame)
41      {
42          byte mask[] = new byte[4];
43          random.nextBytes(mask);
44          frame.setMask(mask);
45      }
46  }