1 /**
2 * This file Copyright (c) 2008-2011 Magnolia International
3 * Ltd. (http://www.magnolia-cms.com). All rights reserved.
4 *
5 *
6 * This file is dual-licensed under both the Magnolia
7 * Network Agreement and the GNU General Public License.
8 * You may elect to use one or the other of these licenses.
9 *
10 * This file is distributed in the hope that it will be
11 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
12 * implied warranty of MERCHANTABILITY or FITNESS FOR A
13 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
14 * Redistribution, except as permitted by whichever of the GPL
15 * or MNA you select, is prohibited.
16 *
17 * 1. For the GPL license (GPL), you can redistribute and/or
18 * modify this file under the terms of the GNU General
19 * Public License, Version 3, as published by the Free Software
20 * Foundation. You should have received a copy of the GNU
21 * General Public License, Version 3 along with this program;
22 * if not, write to the Free Software Foundation, Inc., 51
23 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
24 *
25 * 2. For the Magnolia Network Agreement (MNA), this file
26 * and the accompanying materials are made available under the
27 * terms of the MNA which accompanies this distribution, and
28 * is available at http://www.magnolia-cms.com/mna.html
29 *
30 * Any modifications to this file must keep this entire header
31 * intact.
32 *
33 */
34 package info.magnolia.module.rssaggregator.importhandler;
35
36 import static java.lang.String.format;
37 import info.magnolia.jcr.util.PropertyUtil;
38 import info.magnolia.module.rssaggregator.util.ContentMapper;
39
40 import javax.jcr.Node;
41 import javax.jcr.RepositoryException;
42
43 /**
44 * Maps a content node defining a feed channel to an actual {@link FeedChannel}.
45 *
46 * @author Rob van der Linden Vooren
47 */
48 public class FeedChannelContentMapper implements ContentMapper<FeedChannel> {
49
50 /**
51 * Map a content node defining a feed channel to an actual {@link FeedChannel}. If the content node does not have
52 * <code>link</code> node data, <code>null</code> is returned.
53 * <p/>
54 * Furthermore, {@link String#trim() trimming} occurs on the <code>link</code> and <code>title</code> node data
55 * values.
56 *
57 * @param feedChannelNode the content node defining a feed channel
58 * @return a feed channel mapped from the given <code>feedNode</code> when mapped succesful, <code>null</code> if
59 * the content node does not have <code>link</code> node data
60 * @throws RepositoryException when an exception occurs
61 * @throws IllegalArgumentException when <code>link</code> or <code>title</code> node data are blank
62 */
63 public FeedChannel map(Node feedChannelNode) throws RepositoryException {
64 if (!feedChannelNode.hasProperty("link")) {
65 return null;
66 }
67 // prefix channel name to prevent xpath query issues that occur when node names start with numbers
68 String name = format("channel-%s", feedChannelNode.getName());
69 String trimmedUrl = PropertyUtil.getString(feedChannelNode,"link").trim();
70 String trimmedTitle = PropertyUtil.getString(feedChannelNode,"title").trim();
71 return new FeedChannel(name, trimmedUrl, trimmedTitle);
72 }
73
74 }