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