1 /*
2 * Copyright (c) 2002-2025, 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 java.util.HashMap;
37 import java.util.Map;
38 import java.util.function.Consumer;
39
40 import fr.paris.lutece.portal.business.event.AbstractLuteceEvent;
41 import fr.paris.lutece.portal.service.util.AppLogService;
42
43 public abstract class AbstractEventManager <T extends AbstractLuteceEvent>
44 {
45
46 private Map<String, Consumer<T>> _listeners = new HashMap<>( );
47
48 /**
49 * Subscribe to this listener.
50 *
51 * @param listener
52 * the listener
53 */
54 public void register( String strName, Consumer<T> consumerFunction )
55 {
56 _listeners.put( strName, consumerFunction );
57 AppLogService.info( "New Lutece event listener registered : {}", strName );
58 }
59
60 /**
61 * Subscribe to this listener.
62 *
63 * @param listener
64 * the listener
65 */
66 public void notifyListeners( T event )
67 {
68 for ( String key : _listeners.keySet( ) )
69 {
70 _listeners.get( key ).accept( event );
71 }
72 }
73 }