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.websocket.client.masks;
20
21 import org.eclipse.jetty.websocket.common.WebSocketFrame;
22
23 public class FixedMasker implements Masker
24 {
25 private final byte[] mask;
26
27 public FixedMasker()
28 {
29 this(new byte[]
30 { (byte)0xff, (byte)0xff, (byte)0xff, (byte)0xff });
31 }
32
33 public FixedMasker(byte[] mask)
34 {
35 this.mask = new byte[4];
36 // Copy to avoid that external code keeps a reference
37 // to the array parameter to modify masking on-the-fly
38 System.arraycopy(mask,0,mask,0,4);
39 }
40
41 @Override
42 public void setMask(WebSocketFrame frame)
43 {
44 frame.setMask(mask);
45 }
46 }