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.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.service.image.ImageResource;
41 import fr.paris.lutece.portal.service.image.ImageResourceManager;
42 import fr.paris.lutece.portal.service.image.ImageResourceProvider;
43 import fr.paris.lutece.portal.service.init.LuteceInitException;
44
45
46 /**
47 * Service for Url entry types. Provide ImageResource management
48 */
49 public final class FileImageService implements ImageResourceProvider
50 {
51 private static FileImageService _singleton = new FileImageService( );
52 private static final String IMAGE_RESOURCE_TYPE_ID = "core_attribute_img";
53
54 /**
55 * Creates a new instance of FileImgService
56 */
57 private FileImageService( )
58 {
59 }
60
61 /**
62 * Init
63 * @throws LuteceInitException if an error occurs
64 */
65 public static synchronized void init( ) throws LuteceInitException
66 {
67 getInstance( ).register( );
68 }
69
70 /**
71 * Initializes the service
72 */
73 public void register( )
74 {
75 ImageResourceManager.registerProvider( this );
76 }
77
78 /**
79 * Get the unique instance of the service
80 *
81 * @return The unique instance
82 */
83 public static FileImageService getInstance( )
84 {
85 return _singleton;
86 }
87
88 /**
89 * Return the Resource id
90 * @param nIdResource The resource identifier
91 * @return The Resource Image
92 */
93 public ImageResource getImageResource( int nIdResource )
94 {
95 File file = FileHome.findByPrimaryKey( nIdResource );
96 PhysicalFile physicalFile = ( file.getPhysicalFile( ) != null )
97 ? PhysicalFileHome.findByPrimaryKey( file.getPhysicalFile( ).getIdPhysicalFile( ) ) : null;
98
99 if ( physicalFile != null )
100 {
101 ImageResource imageResource = new ImageResource( );
102 imageResource.setImage( physicalFile.getValue( ) );
103 imageResource.setMimeType( file.getMimeType( ) );
104
105 return imageResource;
106 }
107
108 return null;
109 }
110
111 /**
112 * Return the Resource Type id
113 * @return The Resource Type Id
114 */
115 public String getResourceTypeId( )
116 {
117 return IMAGE_RESOURCE_TYPE_ID;
118 }
119 }