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1   /*
2    * Copyright (c) 2002-2015, 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.franceconnect.service;
35  
36  import fr.paris.lutece.plugins.franceconnect.oidc.dataclient.DataClient;
37  import fr.paris.lutece.plugins.franceconnect.web.CallbackHandler;
38  import fr.paris.lutece.plugins.franceconnect.web.Constants;
39  import fr.paris.lutece.portal.service.spring.SpringContextService;
40  import fr.paris.lutece.util.url.UrlItem;
41  
42  import org.apache.log4j.Logger;
43  
44  import java.util.concurrent.ConcurrentHashMap;
45  import java.util.concurrent.ConcurrentMap;
46  
47  
48  /**
49   * DataClientService
50   */
51  public final class DataClientService
52  {
53      private static DataClientService _singleton;
54      private static ConcurrentMap<String, DataClient> _mapClients;
55      private static Logger _logger = Logger.getLogger( Constants.LOGGER_FRANCECONNECT );
56      private static CallbackHandler _callbackHandler = SpringContextService.getBean( Constants.BEAN_CALLBACK_HANDLER );
57  
58      /** Private constructor */
59      private DataClientService(  )
60      {
61      }
62  
63      /**
64       * Return the unique instance
65       * @return The unique instance
66       */
67      public static synchronized DataClientService instance(  )
68      {
69          if ( _singleton == null )
70          {
71              _singleton = new DataClientService(  );
72              initClients(  );
73          }
74  
75          return _singleton;
76      }
77  
78      /**
79       * Init clients
80       */
81      private static void initClients(  )
82      {
83          _mapClients = new ConcurrentHashMap<String, DataClient>(  );
84  
85          for ( DataClient client : SpringContextService.getBeansOfType( DataClient.class ) )
86          {
87              _mapClients.put( client.getName(  ), client );
88              _logger.info( "New FranceConnect Data Client registered : " + client.getName(  ) );
89          }
90      }
91  
92      /**
93       * Gets a DataClient object for a given name
94       * @param strName The Data Client name
95       * @return The Data Client
96       */
97      public DataClient getClient( String strName )
98      {
99          return _mapClients.get( strName );
100     }
101     
102     /**
103      * Gets the dataclient URL
104      * @param strDataClientName The data client name
105      * @return The URL
106      */
107     public String getDataClientUrl( String strDataClientName )
108     {
109         UrlItem url = new UrlItem( _callbackHandler.getAuthClientConf().getRedirectUri() );
110         url.addParameter( Constants.PARAMETER_DATA_CLIENT, strDataClientName );
111         return url.getUrl();
112     }
113 }