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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.util;
35  
36  import java.util.ArrayList;
37  import java.util.List;
38  import java.util.Locale;
39  
40  
41  /**
42   * RemovalListenerService
43   */
44  public class RemovalListenerService
45  {
46      private List<RemovalListener> _listRegisteredListeners = new ArrayList<RemovalListener>(  );
47  
48      /**
49       * Register a new Removal listener
50       * @param listener The listener to register
51       */
52      public void registerListener( RemovalListener listener )
53      {
54          _listRegisteredListeners.add( listener );
55      }
56  
57      /**
58       * Check if an object can be remove
59       * @param strIdToRemove The object ID
60       * @param listMessages Messages if some listeners have refused the removal
61       * @param locale The current locale
62       * @return true if the object can be removed otherwise false
63       */
64      public boolean checkForRemoval( String strIdToRemove, List<String> listMessages, Locale locale )
65      {
66          boolean bCheck = true;
67  
68          for ( RemovalListener listener : _listRegisteredListeners )
69          {
70              if ( !listener.canBeRemoved( strIdToRemove ) )
71              {
72                  listMessages.add( listener.getRemovalRefusedMessage( strIdToRemove, locale ) );
73                  bCheck = false;
74              }
75          }
76  
77          return bCheck;
78      }
79  }