View Javadoc
1   /*
2    * Copyright (c) 2002-2021, 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.subscribe.service;
35  
36  import fr.paris.lutece.portal.service.plugin.Plugin;
37  import fr.paris.lutece.portal.service.plugin.PluginDefaultImplementation;
38  import fr.paris.lutece.portal.service.plugin.PluginService;
39  
40  /**
41   * Plugin subscribe implementation
42   */
43  public class SubscribePlugin extends PluginDefaultImplementation
44  {
45      private static final String PLUGIN_NAME = "subscribe";
46  
47      private static volatile Plugin _plugin;
48  
49      /**
50       * Get the subscribe plugin
51       * 
52       * @return The subscribe plugin
53       */
54      public static Plugin getPlugin( )
55      {
56          if ( _plugin == null )
57          {
58              synchronized( SubscribePlugin.class )
59              {
60                  _plugin = PluginService.getPlugin( PLUGIN_NAME );
61              }
62          }
63          return _plugin;
64      }
65  }