test2


1   /*
2    *  Copyright (C) Chaperon. All rights reserved.                               
3    *  ------------------------------------------------------------------------- 
4    *  This software is published under the terms of the Apache Software License 
5    *  version 1.1, a copy of which has been included  with this distribution in 
6    *  the LICENSE file.                                                         
7    */
8   
9   package net.sourceforge.chaperon.helpers;
10  
11  /**
12   * The class maskes special characters
13   *
14   * @author Stephan Michels
15   * @version %version%
16   */
17  public class Decoder
18  {
19  
20    /**
21     * Mask special characters
22     *
23     * @param string String
24     *
25     * @return Mask string
26     */
27    public static String   decode(String   string)
28    {
29      StringBuffer   buffer = new StringBuffer  ();
30  
31      for (int i = 0; i < string.length(); i++)
32      {
33        if (string.charAt(i) == '\n')
34          buffer.append("\\n");
35        else if (string.charAt(i) == '\t')
36          buffer.append("\\t");
37        else if (string.charAt(i) == '\r')
38          buffer.append("\\r");
39        else if (string.charAt(i) == '\"')
40          buffer.append("\"");
41        else if (string.charAt(i) == '\\')
42          buffer.append("\\");
43        else if ((string.charAt(i) >= '!') && (string.charAt(i) <= '~'))
44          buffer.append(string.charAt(i));
45        else
46        {
47          String   hexstring = Integer.toHexString((int) string.charAt(i));
48          String   zeros = "0000";
49  
50          buffer.append("\\u" + zeros.substring(4 - hexstring.length())
51                        + hexstring);
52        }
53      }
54      return buffer.toString();
55    }
56  }
57
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