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 * RssFeedTypeProvider
51 *
52 */
53 public class Rss09FeedTypeProvider extends AbstractRssFeedTypeProvider
54 {
55 private static final String RSS_0_9_PREFIX = "rss_0.9";
56 private static final int ITEM_TITLE_MAX_LENGTH = 100;
57 private static final int MAX_NUMBER_ITEMS = 15;
58
59 /**
60 * {@inheritDoc}
61 */
62 public boolean isInvoked( String strFeedType )
63 {
64 return RSS_0_9_PREFIX.equals( strFeedType );
65 }
66
67 /**
68 * {@inheritDoc}
69 */
70 public List<Item> getRSSItems( List<IFeedResourceItem> listItems, int nMaxItems )
71 {
72 List<Item> listEntries = new ArrayList<Item>( );
73
74 boolean bLimit = MAX_NUMBER_ITEMS != MAX_ITEM_UNLIMITED;
75 int nIndex = 1;
76
77 for ( IFeedResourceItem item : listItems )
78 {
79 listEntries.add( getRSSItem( item ) );
80
81 if ( bLimit )
82 {
83 if ( nIndex < MAX_NUMBER_ITEMS )
84 {
85 nIndex++;
86 }
87 else
88 {
89 break;
90 }
91 }
92 }
93
94 return listEntries;
95 }
96
97 /**
98 * {@inheritDoc}
99 */
100 public Item getRSSItem( IFeedResourceItem resourceItem )
101 {
102 Item item = new Item( );
103
104 String strTitle = StringUtils.EMPTY;
105
106 if ( StringUtils.isNotBlank( resourceItem.getTitle( ) ) &&
107 ( resourceItem.getTitle( ).length( ) >= ITEM_TITLE_MAX_LENGTH ) )
108 {
109 strTitle = resourceItem.getTitle( ).substring( 0, ITEM_TITLE_MAX_LENGTH - 1 );
110 }
111 else
112 {
113 strTitle = resourceItem.getTitle( );
114 }
115
116 item.setTitle( strTitle );
117 item.setPubDate( resourceItem.getDate( ) );
118 item.setLink( resourceItem.getLink( ) );
119
120 Guid guid = new Guid( );
121 guid.setValue( resourceItem.getGUID( ) );
122 guid.setPermaLink( false );
123 item.setGuid( guid );
124
125 Content content = new Content( );
126 content.setValue( resourceItem.getDescription( ) );
127 item.setContent( content );
128
129 return item;
130 }
131 }