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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.websocket.jsr356.decoders;
20  
21  import javax.websocket.DecodeException;
22  import javax.websocket.Decoder;
23  
24  
25  /**
26   * Default implementation of the {@link javax.websocket.Decoder.Text} Message to {@link Boolean} decoder.
27   * <p>
28   * Note: delegates to {@link Boolean#parseBoolean(String)} and will only support "true" and "false" as boolean values.
29   */
30  public class BooleanDecoder extends AbstractDecoder implements Decoder.Text<Boolean>
31  {
32      public static final BooleanDecoder INSTANCE = new BooleanDecoder();
33  
34      @Override
35      public Boolean decode(String s) throws DecodeException
36      {
37          return Boolean.parseBoolean(s);
38      }
39  
40      @Override
41      public boolean willDecode(String s)
42      {
43          if (s == null)
44          {
45              return false;
46          }
47          return (s.equalsIgnoreCase("true") || s.equalsIgnoreCase("false"));
48      }
49  }