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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.rss.business.portlet;
35  
36  import fr.paris.lutece.plugins.rss.business.RssFeed;
37  import fr.paris.lutece.plugins.rss.business.RssFeedHome;
38  import fr.paris.lutece.portal.business.portlet.Portlet;
39  import fr.paris.lutece.util.xml.XmlUtil;
40  
41  import java.util.List;
42  
43  import javax.servlet.http.HttpServletRequest;
44  
45  
46  /**
47   * This class represents business objects RssPortlet
48   */
49  public class RssListPortlet extends Portlet
50  {
51      private static final String TAG_RSS_LIST_PORTLET = "rss-list-portlet";
52      private static final String TAG_RSS_LIST_PORTLET_NAME = "rss-list-portlet-name";
53      private static final String TAG_RSS_LIST_PORTLET_URL = "rss-list-portlet-url";
54  
55      /**
56       * Sets the identifier of the portlet type to value specified
57       */
58      public RssListPortlet(  )
59      {
60          setPortletTypeId( RssListPortletHome.getInstance(  ).getPortletTypeId(  ) );
61      }
62  
63      /**
64       * Returns the Xml code of the Rss portlet with XML heading
65       *
66       * @param request The HTTP servlet request
67       * @return the Xml code of the Rss portlet
68       */
69      public String getXmlDocument( HttpServletRequest request )
70      {
71          return XmlUtil.getXmlHeader(  ) + getXml( request );
72      }
73  
74      /**
75       * Returns the Xml code of the Rss portlet without XML heading
76       *
77       * @param request The HTTP servlet request
78       * @return the Xml code of the Rss portlet content
79       */
80      public String getXml( HttpServletRequest request )
81      {
82          StringBuffer strXml = new StringBuffer(  );
83          List<RssFeed> listRssFeedList = RssFeedHome.getRssFeeds(  );
84  
85          if ( listRssFeedList != null )
86          {
87              for ( RssFeed feed : listRssFeedList )
88              {
89                  XmlUtil.beginElement( strXml, TAG_RSS_LIST_PORTLET );
90                  XmlUtil.addElementHtml( strXml, TAG_RSS_LIST_PORTLET_NAME, feed.getName(  ) );
91                  XmlUtil.addElementHtml( strXml, TAG_RSS_LIST_PORTLET_URL, feed.getUrl(  ) );
92                  XmlUtil.endElement( strXml, TAG_RSS_LIST_PORTLET );
93              }
94          }
95  
96          return addPortletTags( strXml );
97      }
98  
99      /**
100      * Updates the current instance of the RssPortlet object
101      */
102     public void update(  )
103     {
104         RssListPortletHome.getInstance(  ).update( this );
105     }
106 
107     /**
108      * Removes the current instance of the RssPortlet object
109      */
110     public void remove(  )
111     {
112         RssListPortletHome.getInstance(  ).remove( this );
113     }
114 }