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.rss.business.portlet;
35
36 import fr.paris.lutece.portal.business.portlet.IPortletInterfaceDAO;
37 import fr.paris.lutece.portal.business.portlet.PortletHome;
38 import fr.paris.lutece.portal.business.portlet.PortletTypeHome;
39 import fr.paris.lutece.portal.service.spring.SpringContextService;
40
41 import java.util.List;
42
43
44 /**
45 * This class provides instances management methods for Rss objects
46 */
47 public class RssPortletHome extends PortletHome
48 {
49 // Static variable pointed at the DAO instance
50 private static IRssPortletDAO../../../../../fr/paris/lutece/plugins/rss/business/portlet/IRssPortletDAO.html#IRssPortletDAO">IRssPortletDAO _dao = (IRssPortletDAO) SpringContextService.getPluginBean( "rss", "rssPortletDAO" );
51
52 /* This class implements the Singleton design pattern. */
53 private static RssPortletHome _singleton;
54
55 /**
56 * Constructor
57 */
58 public RssPortletHome( )
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 public String getPortletTypeId( )
72 {
73 String strCurrentClassName = this.getClass( ).getName( );
74 String strPortletTypeId = PortletTypeHome.getPortletTypeId( strCurrentClassName );
75
76 return strPortletTypeId;
77 }
78
79 /**
80 * Returns the instance of Rss Portlet
81 *
82 * @return the Rss Portlet instance
83 */
84 public static PortletHome getInstance( )
85 {
86 if ( _singleton == null )
87 {
88 _singleton = new RssPortletHome( );
89 }
90
91 return _singleton;
92 }
93
94 /**
95 * Returns the instance of the portlet DAO singleton
96 *
97 * @return the instance of the DAO singleton
98 */
99 public IPortletInterfaceDAO getDAO( )
100 {
101 return _dao;
102 }
103
104 /**
105 * Checks whether the rss feed is linked to a portlet
106 * @return The boolean result
107 * @param nIdRssFeed The identifier of the rss feed
108 */
109 public static boolean checkNoPortletLinked( int nIdRssFeed )
110 {
111 return _dao.checkLinkedPortlet( nIdRssFeed ).isEmpty( );
112 }
113
114 /**
115 * Checks whether the rss feed is linked to a portlet
116 * @return The linked portlet if found, <code>null</code> otherwise
117 * @param nIdRssFeed The identifier of the rss feed
118 */
119 public static List<RssPortlet> checkLinkedPortlet( int nIdRssFeed )
120 {
121 return _dao.checkLinkedPortlet( nIdRssFeed );
122 }
123 }