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.image;
35
36 import fr.paris.lutece.portal.service.util.AppLogService;
37 import fr.paris.lutece.util.url.UrlItem;
38
39 import java.util.HashMap;
40 import java.util.Map;
41
42 import org.apache.commons.fileupload.FileItem;
43
44 /**
45 * ImageResourceManager
46 */
47 public final class ImageResourceManager
48 {
49 /** resource type registry */
50 private static Map<String, ImageResourceProvider> _mapResourceTypes = new HashMap<>( );
51 public static final String IMAGE_SERVLET_BASE_URL = "image";
52
53 /** Private constructor */
54 private ImageResourceManager( )
55 {
56 }
57
58 /**
59 * Registers a new resource type
60 *
61 * @param resourceProvider
62 * the resource type to register
63 */
64 public static void registerProvider( ImageResourceProvider resourceProvider )
65 {
66 _mapResourceTypes.put( resourceProvider.getResourceTypeId( ), resourceProvider );
67 AppLogService.info( "New ImageResourceType registered : {}", resourceProvider.getClass( ).getName( ) );
68 }
69
70 /**
71 * Gets an image resource
72 *
73 * @param strResourceTypeId
74 * The resource's type ID
75 * @param nResourceId
76 * The resource ID
77 * @return ImageResource
78 */
79 public static ImageResource getImageResource( String strResourceTypeId, int nResourceId )
80 {
81 ImageResourceProvider resourceProvider = _mapResourceTypes.get( strResourceTypeId );
82
83 if ( resourceProvider != null )
84 {
85 return resourceProvider.getImageResource( nResourceId );
86 }
87
88 return null;
89 }
90
91 /**
92 * Add Image Resource
93 * @param strResourceTypeId
94 * @param fileItem
95 * @return Image Resource Key
96 */
97 public static String addImageResource( String strResourceTypeId, FileItem fileItem )
98 {
99 ImageResourceProvider resourceProvider = _mapResourceTypes.get( strResourceTypeId );
100
101 if ( resourceProvider != null )
102 {
103 return resourceProvider.addImageResource( fileItem);
104 }
105
106 return null;
107 }
108
109 /**
110 * Get Image URL
111 * @param strResourceTypeId
112 * @param nResourceId
113 * @return the URL
114 */
115 public static String getImageUrl( String strResourceTypeId, int nResourceId )
116 {
117 UrlItem item = new UrlItem( IMAGE_SERVLET_BASE_URL );
118 item.addParameter( ImageServlet.PARAMETER_ID, nResourceId );
119 item.addParameter( ImageServlet.PARAMETER_RESOURCE_TYPE, strResourceTypeId );
120 return item.getUrl( );
121
122 }
123 }