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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 }