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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.plugins.dbpage.service;
35  
36  import fr.paris.lutece.portal.service.database.AppConnectionService;
37  import fr.paris.lutece.portal.service.database.PluginConnectionService;
38  
39  import java.util.Hashtable;
40  
41  
42  /**
43   * This class provides DbPageConnectionService object
44   */
45  public final class DbPageConnectionService
46  {
47      //Constants
48      private static DbPageConnectionService _singleton = new DbPageConnectionService(  );
49      private static Hashtable _htConnectionServices = new Hashtable(  );
50  
51      /**
52       * Creates a new DbPageConnectionService object.
53       */
54      private DbPageConnectionService(  )
55      {
56      }
57  
58      /**
59       * Get a connection service corresponding to the given poolname. If the pool
60       * name is empty, the default connection service of the current plugin is returned
61       *
62       * @return A Connection Service
63       * @param strPoolName The Poolname
64       */
65      public static PluginConnectionService getConnectionService( String strPoolName )
66      {
67          PluginConnectionService connectionService = null;
68  
69          if ( ( strPoolName != null ) && !strPoolName.equals( "" ) )
70          {
71              if ( _htConnectionServices.contains( strPoolName ) )
72              {
73                  connectionService = (PluginConnectionService) _htConnectionServices.get( strPoolName );
74              }
75              else
76              {
77                  connectionService = new PluginConnectionService( strPoolName );
78                  _htConnectionServices.put( strPoolName, connectionService );
79              }
80          }
81          else
82          {
83              connectionService = AppConnectionService.getDefaultConnectionService(  );
84          }
85  
86          return connectionService;
87      }
88  
89      /**
90       * Provides singleton to connection service
91       * @return Returns an instance of the connection service
92       */
93      public static DbPageConnectionService getInstance(  )
94      {
95          return _singleton;
96      }
97  }