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 }