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1   /*
2    * Copyright (c) 2002-2018, 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.plugins.appstore.service;
35  
36  import fr.paris.lutece.plugins.appstore.business.Icon;
37  import fr.paris.lutece.plugins.appstore.business.IconHome;
38  import fr.paris.lutece.portal.service.image.ImageResource;
39  import fr.paris.lutece.portal.service.image.ImageResourceManager;
40  import fr.paris.lutece.portal.service.image.ImageResourceProvider;
41  import fr.paris.lutece.portal.service.plugin.Plugin;
42  import fr.paris.lutece.portal.service.plugin.PluginService;
43  import fr.paris.lutece.portal.web.constants.Parameters;
44  import fr.paris.lutece.util.url.UrlItem;
45  
46  /**
47   * Service for Url entry types. Provide ImageResource managemenent
48   *
49   */
50  public class IconService implements ImageResourceProvider
51  {
52      private static final String PLUGIN_NAME = "appstore";
53      private static IconService _singleton = new IconService( );
54      private static final String IMAGE_RESOURCE_TYPE_ID = "appstore_icon_img";
55  
56      /**
57       * Creates a new instance of IconService
58       */
59      IconService( )
60      {
61      }
62  
63      /**
64       * Initializes the service
65       */
66      public void register( )
67      {
68          ImageResourceManager.registerProvider( this );
69      }
70  
71      /**
72       * Get the unique instance of the service
73       *
74       * @return The unique instance
75       */
76      public static IconService getInstance( )
77      {
78          return _singleton;
79      }
80  
81      /**
82       * Return the Resource id
83       * 
84       * @param nIdResource
85       *            The resource identifier
86       * @return The Resource Image
87       */
88      @Override
89      public ImageResource getImageResource( int nIdResource )
90      {
91          Plugin plugin = PluginService.getPlugin( PLUGIN_NAME );
92          Icon icon = IconHome.findByPrimaryKey( nIdResource, plugin );
93  
94          if ( icon != null )
95          {
96              ImageResource imageResource = new ImageResource( );
97              imageResource.setImage( icon.getValue( ) );
98              imageResource.setMimeType( icon.getMimeType( ) );
99  
100             return imageResource;
101         }
102 
103         return null;
104     }
105 
106     /**
107      * Return the Resource Type id
108      * 
109      * @return The Resource Type Id
110      */
111     @Override
112     public String getResourceTypeId( )
113     {
114         return IMAGE_RESOURCE_TYPE_ID;
115     }
116 
117     /**
118      * Management of the image associated to the {@link EntryUrl}
119      * 
120      * @param nEntryUrl
121      *            The {@link EntryUrl} identifier
122      * @return The url of the resource
123      */
124     public static String getResourceImageEntryUrl( int nEntryUrl )
125     {
126         String strResourceType = IconService.getInstance( ).getResourceTypeId( );
127         UrlItem url = new UrlItem( Parameters.IMAGE_SERVLET );
128         url.addParameter( Parameters.RESOURCE_TYPE, strResourceType );
129         url.addParameter( Parameters.RESOURCE_ID, Integer.toString( nEntryUrl ) );
130 
131         return url.getUrlWithEntity( );
132     }
133 }