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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.genericattributes.service;
35  
36  import fr.paris.lutece.plugins.genericattributes.business.Response;
37  import fr.paris.lutece.plugins.genericattributes.business.ResponseHome;
38  import fr.paris.lutece.plugins.genericattributes.service.file.GenericAttributeFileService;
39  import fr.paris.lutece.portal.business.file.File;
40  import fr.paris.lutece.portal.service.image.ImageResource;
41  import fr.paris.lutece.portal.service.image.ImageResourceProvider;
42  import fr.paris.lutece.util.file.FileUtil;
43  import fr.paris.lutece.util.url.UrlItem;
44  
45  /**
46   * Resource provider for images
47   */
48  public class ResponseImageResourceProvider implements ImageResourceProvider
49  {
50      /**
51       * {@inheritDoc}
52       */
53      @Override
54      public String getResourceTypeId( )
55      {
56          return Response.RESOURCE_TYPE;
57      }
58  
59      /**
60       * {@inheritDoc}
61       */
62      @Override
63      public ImageResource getImageResource( int nIdResource )
64      {
65          Response response = ResponseHome.findByPrimaryKey( nIdResource );
66  
67          if ( response.getFile( ) != null )
68          {
69              File file = GenericAttributeFileService.getInstance().load( response.getFile( ).getFileKey( ) );
70  
71              if ( ( file.getPhysicalFile( ) != null ) && FileUtil.hasImageExtension( file.getTitle( ) ) )
72              {
73                  ImageResource image = new ImageResource( );
74                  image.setImage( file.getPhysicalFile( ).getValue( ) );
75                  image.setMimeType( file.getMimeType( ) );
76  
77                  return image;
78              }
79          }
80  
81          return null;
82      }
83  
84      /**
85       * Get the URL to download an image response
86       * 
87       * @param nIdResponse
88       *            The id of the response
89       * @return The URl to download the image
90       */
91      public static String getUrlDownloadImageResponse( int nIdResponse )
92      {
93          UrlItem urlItem = new UrlItem( "image" );
94          urlItem.addParameter( "resource_type", Response.RESOURCE_TYPE );
95          urlItem.addParameter( "id", nIdResponse );
96  
97          return urlItem.getUrl( );
98      }
99  }