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.atom;
35
36 import com.sun.syndication.feed.atom.Entry;
37
38 import fr.paris.lutece.portal.business.rss.IFeedResourceItem;
39
40 import org.apache.commons.lang3.StringUtils;
41
42 import java.util.ArrayList;
43 import java.util.Collections;
44 import java.util.List;
45
46
47 /**
48 *
49 * AtomFeedTypeProvider
50 *
51 */
52 public class DefaultAtomFeedTypeProvider extends AbstractAtomFeedTypeProvider
53 {
54 private static final String ATOM_PREFIX = "atom";
55
56 /**
57 * {@inheritDoc}
58 */
59 public boolean isInvoked( String strFeedType )
60 {
61 return StringUtils.isNotBlank( strFeedType ) && strFeedType.startsWith( ATOM_PREFIX );
62 }
63
64 /**
65 * {@inheritDoc}
66 */
67 public List<Entry> getATOMEntries( List<IFeedResourceItem> listItems, int nMaxItems )
68 {
69 List<Entry> listEntries = new ArrayList<Entry>( );
70
71 boolean bLimit = nMaxItems != MAX_ITEM_UNLIMITED;
72 int nIndex = 1;
73
74 for ( IFeedResourceItem item : listItems )
75 {
76 listEntries.add( getATOMEntry( item ) );
77
78 if ( bLimit )
79 {
80 if ( nIndex < nMaxItems )
81 {
82 nIndex++;
83 }
84 else
85 {
86 break;
87 }
88 }
89 }
90
91 return listEntries;
92 }
93
94 /**
95 * {@inheritDoc}
96 */
97 public Entry getATOMEntry( IFeedResourceItem resourceItem )
98 {
99 Entry entry = new Entry( );
100
101 entry.setTitle( resourceItem.getTitle( ) );
102 entry.setPublished( resourceItem.getDate( ) );
103
104 com.sun.syndication.feed.atom.Content summary = new com.sun.syndication.feed.atom.Content( );
105 summary.setValue( resourceItem.getTitle( ) );
106 entry.setSummary( summary );
107
108 com.sun.syndication.feed.atom.Content content = new com.sun.syndication.feed.atom.Content( );
109 content.setValue( resourceItem.getDescription( ) );
110 // we don't handle multi-content
111 entry.setContents( Collections.singletonList( content ) );
112
113 return entry;
114 }
115 }