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1   /*
2    * Copyright (c) 2002-2020, 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.blog.business.portlet;
35  
36  import java.util.Collection;
37  
38  import fr.paris.lutece.portal.business.portlet.IPortletInterfaceDAO;
39  import fr.paris.lutece.portal.business.portlet.PortletHome;
40  import fr.paris.lutece.portal.business.portlet.PortletTypeHome;
41  import fr.paris.lutece.portal.service.spring.SpringContextService;
42  import fr.paris.lutece.util.ReferenceItem;
43  
44  /**
45   * This class provides instances management methods for BlogsPortlet objects
46   */
47  public class BlogPortletHome extends PortletHome
48  {
49      // Static variable pointed at the DAO instance
50      private static IBlogPortletDAO _dao = SpringContextService.getBean( "blog.blogsPortletDAO" );
51  
52      /* This class implements the Singleton design pattern. */
53      private static BlogPortletHome _singleton;
54  
55      /**
56       * Constructor
57       */
58      public BlogPortletHome( )
59      {
60          if ( _singleton == null )
61          {
62              _singleton = this;
63          }
64      }
65  
66      /**
67       * Returns the identifier of the portlet type
68       *
69       * @return the portlet type identifier
70       */
71      @Override
72      public String getPortletTypeId( )
73      {
74          String strCurrentClassName = this.getClass( ).getName( );
75          return PortletTypeHome.getPortletTypeId( strCurrentClassName );
76      }
77  
78      /**
79       * Returns the instance of BlogsPortlet Portlet
80       *
81       * @return the BlogsPortlet Portlet instance
82       */
83      public static PortletHome getInstance( )
84      {
85          if ( _singleton == null )
86          {
87              _singleton = new BlogPortletHome( );
88          }
89  
90          return _singleton;
91      }
92  
93      /**
94       * Returns the instance of the portlet DAO singleton
95       *
96       * @return the instance of the DAO singleton
97       */
98      @Override
99      public IPortletInterfaceDAO getDAO( )
100     {
101         return _dao;
102     }
103 
104     /**
105      * Load the list of Portlet
106      * 
107      * @param nDocumentId
108      *            the document ID
109      * @param pOrder
110      *            order of the portlets
111      * @param pFilter
112      *            The portlet filter
113      * @return The Collection of the ReferenceItem
114      */
115     public static Collection<ReferenceItem> findByFilter( int nDocumentId, PortletOrder pOrder, PortletFilter pFilter )
116     {
117         return _dao.selectPortletByType( nDocumentId, pOrder, pFilter );
118     }
119 
120 }