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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.plugins.ctv.service.fileimage;
35  
36  import fr.paris.lutece.portal.business.file.File;
37  import fr.paris.lutece.portal.business.file.FileHome;
38  import fr.paris.lutece.portal.business.physicalfile.PhysicalFile;
39  import fr.paris.lutece.portal.business.physicalfile.PhysicalFileHome;
40  import fr.paris.lutece.portal.business.user.attribute.AdminUserFieldHome;
41  import fr.paris.lutece.portal.service.image.ImageResource;
42  import fr.paris.lutece.portal.service.image.ImageResourceManager;
43  import fr.paris.lutece.portal.service.image.ImageResourceProvider;
44  import fr.paris.lutece.portal.service.init.LuteceInitException;
45  import fr.paris.lutece.util.file.FileUtil;
46  
47  /**
48   * Service for AdminUser image attributes. Provide ImageResource management
49   */
50  public final class CiteFileImageService implements ImageResourceProvider
51  {
52      private static CiteFileImageServiceileimage/CiteFileImageService.html#CiteFileImageService">CiteFileImageService _singleton = new CiteFileImageService( );
53      private static final String IMAGE_RESOURCE_TYPE_ID = "cite_attribute_img";
54  
55      /**
56       * Creates a new instance of FileImgService
57       */
58      private CiteFileImageService( )
59      {
60      }
61  
62      /**
63       * Init
64       * 
65       * @throws LuteceInitException
66       *             if an error occurs
67       */
68      public static synchronized void init( )
69      {
70          getInstance( ).register( );
71      }
72  
73      /**
74       * Initializes the service
75       */
76      public void register( )
77      {
78          ImageResourceManager.registerProvider( this );
79      }
80  
81      /**
82       * Get the unique instance of the service
83       *
84       * @return The unique instance
85       */
86      public static CiteFileImageService getInstance( )
87      {
88          return _singleton;
89      }
90  
91      /**
92       * Return the Resource id
93       * 
94       * @param nIdResource
95       *            The resource identifier
96       * @return The Resource Image
97       */
98      public ImageResource getImageResource( int nIdResource )
99      {
100         if ( AdminUserFieldHome.existsWithFile( nIdResource ) )
101         {
102 
103             File file = FileHome.findByPrimaryKey( nIdResource );
104 
105             if ( ( file != null ) && ( file.getPhysicalFile( ) != null ) && FileUtil.hasImageExtension( file.getTitle( ) ) )
106             {
107                 PhysicalFile physicalFile = PhysicalFileHome.findByPrimaryKey( file.getPhysicalFile( ).getIdPhysicalFile( ) );
108                 ImageResource imageResource = new ImageResource( );
109                 imageResource.setImage( physicalFile.getValue( ) );
110                 imageResource.setMimeType( file.getMimeType( ) );
111 
112                 return imageResource;
113             }
114         }
115 
116         return null;
117     }
118 
119     /**
120      * Return the Resource Type id
121      * 
122      * @return The Resource Type Id
123      */
124     public String getResourceTypeId( )
125     {
126         return IMAGE_RESOURCE_TYPE_ID;
127     }
128 }