1 /* 2 * Copyright (c) 2002-2023, 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.plugins.broadcastproxy.service; 35 36 37 import org.apache.commons.lang3.StringUtils; 38 39 import fr.paris.lutece.portal.service.cache.AbstractCacheableService; 40 41 42 /** 43 * 44 * BroadcastCacheService 45 * 46 */ 47 public class BroadcastCacheService extends AbstractCacheableService 48 { 49 50 private static final String SERVICE_NAME = "broadcastCacheService"; 51 private static BroadcastCacheService _singleton; 52 53 /** 54 * Init cache 55 */ 56 private BroadcastCacheService ( ) 57 { 58 initCache( ); 59 } 60 61 /** 62 * Get instance of BroadcastCacheService 63 * @return instance of broadcastCacheService 64 */ 65 public static BroadcastCacheService getInstance ( ) 66 { 67 if ( _singleton == null ) 68 { 69 _singleton = new BroadcastCacheService( ); 70 } 71 72 return _singleton; 73 } 74 75 76 @Override 77 public String getName( ) 78 { 79 return SERVICE_NAME; 80 } 81 82 public void addUserSubscription ( String strUserId, String strListSubscriptionIds ) 83 { 84 if ( StringUtils.isNotEmpty( strListSubscriptionIds ) && getUserSubscriptionIds( getCacheKey( strUserId ) ) == null ) 85 { 86 putInCache( getCacheKey(strUserId ), strListSubscriptionIds ); 87 } 88 } 89 90 public void removeUserSubscription ( String strUserId ) 91 { 92 removeKey( getCacheKey(strUserId ) ); 93 } 94 95 public String getUserSubscriptionIds ( String strUserId ) 96 { 97 return ( String ) getFromCache( getCacheKey( strUserId ) ); 98 } 99 100 private String getCacheKey( String strUserId ) 101 { 102 StringBuilder sbKey = new StringBuilder( ); 103 sbKey.append( "[subscription_user:" ).append( strUserId ).append( "]" ); 104 return sbKey.toString( ); 105 } 106 107 }