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1   /*
2    * Copyright (c) 2002-2014, Mairie de Paris
3    * All rights reserved.
4    *
5    * Redistribution and use in source and binary forms, with or without
6    * modification, are permitted provided that the following conditions
7    * are met:
8    *
9    *  1. Redistributions of source code must retain the above copyright notice
10   *     and the following disclaimer.
11   *
12   *  2. Redistributions in binary form must reproduce the above copyright notice
13   *     and the following disclaimer in the documentation and/or other materials
14   *     provided with the distribution.
15   *
16   *  3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
17   *     contributors may be used to endorse or promote products derived from
18   *     this software without specific prior written permission.
19   *
20   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
24   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30   * POSSIBILITY OF SUCH DAMAGE.
31   *
32   * License 1.0
33   */
34  package fr.paris.lutece.portal.service.html;
35  
36  import fr.paris.lutece.portal.service.util.AppLogService;
37  import fr.paris.lutece.portal.service.util.AppPropertiesService;
38  
39  import java.io.UnsupportedEncodingException;
40  
41  import java.net.URLEncoder;
42  
43  
44  /**
45   * Encoding utils
46   */
47  public final class EncodingService
48  {
49      /**
50       * <b>lutece.encoding.url</b>
51       */
52      private static final String PROPERTY_URL_ENCODING = "lutece.encoding.url";
53  
54      /**
55       * Default encoding (UTF-8)
56       */
57      private static final String DEFAULT_URI_ENCODING = "UTF-8";
58  
59      /** Creates a new instance of EncodingService */
60      private EncodingService(  )
61      {
62      }
63  
64      /**
65       * Encode an url string. Uses {@link #PROPERTY_URL_ENCODING} property and {@link #DEFAULT_URI_ENCODING} as default if {@link #PROPERTY_URL_ENCODING} not found.
66       * @param strSource The string to encode
67       * @return The encoded string
68       */
69      public static String encodeUrl( String strSource )
70      {
71          return encodeUrl( strSource, PROPERTY_URL_ENCODING, DEFAULT_URI_ENCODING );
72      }
73  
74      /**
75       * Encode an url string. Uses {@link #DEFAULT_URI_ENCODING} as default.
76       * @param strSource The string to encode
77       * @param strProperty The property used used for the encoding. (ex : lutece.encoding.url )
78       * @return The encoded string
79       */
80      public static String encodeUrl( String strSource, String strProperty )
81      {
82          return encodeUrl( strSource, strProperty, DEFAULT_URI_ENCODING );
83      }
84  
85      /**
86       * Encode an url string
87       * @param strSource The string to encode
88       * @param strProperty The property used used for the encoding. (ex : lutece.encoding.url )
89       * @param strDefaultEncoding default encoding if <code>strProperty</code> cannot be found.
90       * @return The encoded string
91       */
92      public static String encodeUrl( String strSource, String strProperty, String strDefaultEncoding )
93      {
94          String strEncoded = "";
95          String strEncoding = AppPropertiesService.getProperty( strProperty, strDefaultEncoding );
96  
97          try
98          {
99              strEncoded = URLEncoder.encode( strSource, strEncoding );
100         }
101         catch ( UnsupportedEncodingException e )
102         {
103             AppLogService.error( e.getMessage(  ), e );
104         }
105 
106         return strEncoded;
107     }
108 
109     /**
110      * Returns the current encoding
111      * @return The current encoding
112      */
113     public static String getEncoding(  )
114     {
115         return AppPropertiesService.getProperty( PROPERTY_URL_ENCODING );
116     }
117 }