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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.portlet;
35  
36  import fr.paris.lutece.portal.business.page.Page;
37  import fr.paris.lutece.portal.business.page.PageHome;
38  import fr.paris.lutece.portal.business.portlet.Portlet;
39  import fr.paris.lutece.portal.business.user.AdminUser;
40  import fr.paris.lutece.portal.service.page.IPageService;
41  import fr.paris.lutece.portal.service.page.PageResourceIdService;
42  import fr.paris.lutece.portal.service.spring.SpringContextService;
43  
44  import java.util.ArrayList;
45  import java.util.Collection;
46  
47  
48  /**
49   * class PortletService
50   */
51  public final class PortletService
52  {
53      private static PortletService _singleton;
54      private static IPageService _pageService = (IPageService) SpringContextService.getBean( "pageService" );
55  
56      /**
57       * Constructor for class PortletService
58       *
59       */
60      private PortletService(  )
61      {
62      }
63  
64      /**
65          * Get the unique instance of the service
66          *
67          * @return The unique instance
68          */
69      public static synchronized PortletService getInstance(  )
70      {
71          if ( _singleton == null )
72          {
73              _singleton = new PortletService(  );
74          }
75  
76          return _singleton;
77      }
78  
79      /**
80       * Filter a collection of portlet  associated to a given user
81       * @param collectionPortlet the The collection to filter
82       * @param user the current user
83       * @return  a collection of portlet associated to a given user
84       */
85      public Collection<Portlet> getAuthorizedPortletCollection( Collection<Portlet> collectionPortlet, AdminUser user )
86      {
87          Collection<Portlet> collectionPortletAuthorized = new ArrayList<Portlet>(  );
88  
89          for ( Portlet portlet : collectionPortlet )
90          {
91              if ( _pageService.isAuthorizedAdminPage( portlet.getPageId(  ), PageResourceIdService.PERMISSION_VIEW, user ) )
92              {
93                  collectionPortletAuthorized.add( portlet );
94              }
95          }
96  
97          return collectionPortletAuthorized;
98      }
99  
100     /**
101          * Check if a portlet should be visible to the user
102          * @param idPortlet the id of the portlet
103          * @param user the current user
104          * @return true if authorized, otherwise false
105          */
106     public boolean isAuthorized( int idPortlet, AdminUser user )
107     {
108         Page page = PageHome.getPageByIdPortlet( idPortlet );
109 
110         return _pageService.isAuthorizedAdminPage( page.getId(  ), PageResourceIdService.PERMISSION_VIEW, user );
111     }
112 
113     /**
114            * Check if a portlet should be visible to the user
115            * @param portlet the portlet
116            * @param user the current user
117            * @return true if authorized, otherwise false
118            */
119     public boolean isAuthorized( Portlet portlet, AdminUser user )
120     {
121         Page page = PageHome.findByPrimaryKey( portlet.getPageId(  ) );
122 
123         return _pageService.isAuthorizedAdminPage( page.getId(  ), PageResourceIdService.PERMISSION_VIEW, user );
124     }
125 }