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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 javax.servlet.http.HttpServletRequest;
37  
38  import org.apache.commons.lang3.StringUtils;
39  
40  import fr.paris.lutece.portal.service.page.PageEvent;
41  import fr.paris.lutece.portal.service.page.PageEventListener;
42  import fr.paris.lutece.portal.service.page.PageService;
43  import fr.paris.lutece.portal.web.constants.Parameters;
44  
45  /**
46   * XPage path cache service
47   */
48  public class PathCacheService extends AbstractCacheableService implements IPathCacheService, PageEventListener
49  {
50  
51      /**
52       * Constructor
53       */
54      PathCacheService( )
55      {
56          initCache( );
57          PageService.addPageEventListener( this );
58      }
59  
60      @Override
61      public String getName( )
62      {
63          return IPathCacheService.BEAN_NAME;
64      }
65  
66      @Override
67      public String getKey( String strXPageName, int nMode, HttpServletRequest request )
68      {
69          return getKey( strXPageName, nMode, null, request );
70      }
71  
72      @Override
73      public String getKey( String strXPageName, int nMode, String strTitlesUrls, HttpServletRequest request )
74      {
75          if ( !isCacheEnable( ) )
76          {
77              return null;
78          }
79          StringBuilder builder = new StringBuilder( );
80          builder.append( "[XPageName:" ).append( strXPageName ).append( ']' );
81          builder.append( "[mode:" ).append( nMode ).append( ']' );
82          if ( strTitlesUrls != null )
83          {
84              builder.append( "[titleUrls:" ).append( strTitlesUrls ).append( ']' );
85          }
86          if ( request != null )
87          {
88              builder.append( "[locale:" ).append( request.getLocale( ) ).append( ']' );
89              String strPageId = request.getParameter( Parameters.PAGE_ID );
90              if ( StringUtils.isNotBlank( strPageId ) )
91              {
92                  builder.append( '[' ).append( Parameters.PAGE_ID ).append( ':' ).append( strPageId ).append( ']' );
93              }
94              String strPortletId = request.getParameter( Parameters.PORTLET_ID );
95              if ( StringUtils.isNotBlank( strPortletId ) )
96              {
97                  builder.append( '[' ).append( Parameters.PORTLET_ID ).append( ':' ).append( strPortletId ).append( ']' );
98              }
99          }
100         return builder.toString( );
101     }
102 
103     @Override
104     public String getFromCache( String strKey )
105     {
106         return (String) super.getFromCache( strKey );
107     }
108 
109     @Override
110     public void putInCache( String strKey, String path )
111     {
112         super.putInCache( strKey, path );
113     }
114 
115     @Override
116     public void processPageEvent( PageEvent event )
117     {
118         if ( isCacheEnable( ) && event.getEventType( ) != PageEvent.PAGE_CREATED )
119         {
120             // some cached paths might contain page info that need invalidation, but not for
121             // a page which was just created
122             resetCache( );
123         }
124     }
125 
126 }