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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.service.type.rss;
35  
36  import com.sun.syndication.feed.rss.Content;
37  import com.sun.syndication.feed.rss.Guid;
38  import com.sun.syndication.feed.rss.Item;
39  
40  import fr.paris.lutece.portal.business.rss.IFeedResourceItem;
41  
42  import org.apache.commons.lang3.StringUtils;
43  
44  import java.util.ArrayList;
45  import java.util.List;
46  
47  
48  /**
49   *
50   * DefaultRssFeedTypeProvider
51   *
52   */
53  public class DefaultRssFeedTypeProvider extends AbstractRssFeedTypeProvider
54  {
55      private static final String RSS_PREFIX = "rss";
56  
57      /**
58       * {@inheritDoc}
59       */
60      public boolean isInvoked( String strFeedType )
61      {
62          return StringUtils.isNotBlank( strFeedType ) && strFeedType.startsWith( RSS_PREFIX );
63      }
64  
65      /**
66       * {@inheritDoc}
67       */
68      public List<Item> getRSSItems( List<IFeedResourceItem> listItems, int nMaxItems )
69      {
70          List<Item> listEntries = new ArrayList<Item>(  );
71  
72          boolean bLimit = nMaxItems != MAX_ITEM_UNLIMITED;
73          int nIndex = 1;
74  
75          for ( IFeedResourceItem item : listItems )
76          {
77              listEntries.add( getRSSItem( item ) );
78  
79              if ( bLimit )
80              {
81                  if ( nIndex < nMaxItems )
82                  {
83                      nIndex++;
84                  }
85                  else
86                  {
87                      break;
88                  }
89              }
90          }
91  
92          return listEntries;
93      }
94  
95      /**
96       * {@inheritDoc}
97       */
98      public Item getRSSItem( IFeedResourceItem resourceItem )
99      {
100         Item item = new Item(  );
101 
102         String strTitle = StringUtils.EMPTY;
103         strTitle = resourceItem.getTitle(  );
104 
105         item.setTitle( strTitle );
106         item.setPubDate( resourceItem.getDate(  ) );
107         item.setLink( resourceItem.getLink(  ) );
108 
109         Guid guid = new Guid(  );
110         guid.setValue( resourceItem.getGUID(  ) );
111         guid.setPermaLink( false );
112         item.setGuid( guid );
113 
114         Content content = new Content(  );
115         content.setValue( resourceItem.getDescription(  ) );
116         item.setContent( content );
117 
118         return item;
119     }
120 }