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1   /*
2    * Copyright (c) 2002-2022, City of 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.cache;
35  
36  import fr.paris.lutece.portal.service.security.LuteceUser;
37  
38  import java.util.List;
39  import java.util.Map;
40  import java.util.Map.Entry;
41  
42  /**
43   * Default cache key service
44   *
45   */
46  public class DefaultCacheKeyService implements ICacheKeyService
47  {
48      private List<String> _listAllowedParameters;
49      private List<String> _listIgnoredParameters;
50  
51      /**
52       * Calculate the cache key
53       * 
54       * @param mapParams
55       *            A map of key/value
56       * @param nMode
57       *            The mode
58       * @param user
59       *            The LuteceUser
60       * @return The calculated key
61       */
62      public String getKey( Map<String, String> mapParams, int nMode, LuteceUser user )
63      {
64          StringBuilder sbKey = new StringBuilder( );
65  
66          for ( Entry<String, String> entry : mapParams.entrySet( ) )
67          {
68              String strHtKey = entry.getKey( );
69  
70              if ( ( ( _listAllowedParameters == null ) || _listAllowedParameters.contains( strHtKey ) )
71                      && ( ( _listIgnoredParameters == null ) || ( !_listIgnoredParameters.contains( strHtKey ) ) ) )
72              {
73                  sbKey.append( "[" ).append( strHtKey ).append( ":" ).append( entry.getValue( ) ).append( "]" );
74              }
75          }
76  
77          String strUserName = ( user != null ) ? user.getName( ) : "-";
78  
79          sbKey.append( "[m:" ).append( nMode ).append( "]" );
80          sbKey.append( "[user:" ).append( strUserName ).append( "]" );
81  
82          return sbKey.toString( );
83      }
84  
85      /**
86       * {@inheritDoc}
87       */
88      public void setAllowedParametersList( List<String> list )
89      {
90          _listAllowedParameters = list;
91      }
92  
93      /**
94       * {@inheritDoc}
95       */
96      public void setIgnoredParametersList( List<String> list )
97      {
98          _listIgnoredParameters = list;
99      }
100 }