View Javadoc
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.event;
35  
36  import fr.paris.lutece.portal.business.event.EventRessourceListener;
37  import fr.paris.lutece.portal.business.event.ResourceEvent;
38  import fr.paris.lutece.portal.service.util.AppLogService;
39  
40  import java.util.ArrayList;
41  import java.util.List;
42  
43  /**
44   *
45   * ResourceEventManager
46   *
47   */
48  public final class ResourceEventManager
49  {
50      private static List<EventRessourceListener> _lstListeners = new ArrayList<>( );
51  
52      /**
53       * Private constructor - this class need not be instantiated
54       */
55      private ResourceEventManager( )
56      {
57      }
58  
59      /**
60       * Subscribe to this listener.
61       *
62       * @param listener
63       *            the listener
64       */
65      public static void register( EventRessourceListener listener )
66      {
67          _lstListeners.add( listener );
68          AppLogService.info( "New resource evnt listener registered : {}", listener.getName( ) );
69      }
70  
71      /**
72       * Warn subscribers that a resource has been created
73       * 
74       * @param event
75       *            the event for the created resource
76       */
77      public static void fireAddedResource( ResourceEvent event )
78      {
79          for ( EventRessourceListener listener : _lstListeners )
80          {
81              listener.addedResource( event );
82          }
83      }
84  
85      /**
86       * Warn subscribers that a resource has been updated
87       * 
88       * @param event
89       *            the event for the updated resource
90       */
91      public static void fireUpdatedResource( ResourceEvent event )
92      {
93          for ( EventRessourceListener listener : _lstListeners )
94          {
95              listener.updatedResource( event );
96          }
97      }
98  
99      /**
100      * Warn subscribers that a resource has been deleted
101      * 
102      * @param event
103      *            the event for the deleted resource
104      */
105     public static void fireDeletedResource( ResourceEvent event )
106     {
107         for ( EventRessourceListener listener : _lstListeners )
108         {
109             listener.deletedResource( event );
110         }
111     }
112 }