01: //
02: // Informa -- RSS Library for Java
03: // Copyright (c) 2002 by Niko Schmuck
04: //
05: // Niko Schmuck
06: // http://sourceforge.net/projects/informa
07: // mailto:niko_schmuck@users.sourceforge.net
08: //
09: // This library is free software.
10: //
11: // You may redistribute it and/or modify it under the terms of the GNU
12: // Lesser General Public License as published by the Free Software Foundation.
13: //
14: // Version 2.1 of the license should be included with this distribution in
15: // the file LICENSE. If the license is not included with this distribution,
16: // you may find a copy at the FSF web site at 'www.gnu.org' or 'www.fsf.org',
17: // or you may write to the Free Software Foundation, 675 Mass Ave, Cambridge,
18: // MA 02139 USA.
19: //
20: // This library is distributed in the hope that it will be useful,
21: // but WITHOUT ANY WARRANTY; without even the implied waranty of
22: // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
23: // Lesser General Public License for more details.
24: //
25:
26: // $Id: SimpleChannelObserver.java,v 1.8 2003/04/06 17:30:36 niko_schmuck Exp $
27:
28: package de.nava.informa.utils;
29:
30: import org.apache.commons.logging.Log;
31: import org.apache.commons.logging.LogFactory;
32: import de.nava.informa.core.ChannelIF;
33: import de.nava.informa.core.ItemIF;
34: import de.nava.informa.core.ChannelObserverIF;
35:
36: /**
37: * Simple implementation of the ChannelOberserverIF interface for
38: * keeping track of the added news item (and also to properly handle
39: * it by the logging facility).
40: *
41: * @author Niko Schmuck (niko@nava.de)
42: */
43: public class SimpleChannelObserver implements ChannelObserverIF {
44:
45: private static Log logger = LogFactory
46: .getLog(SimpleChannelObserver.class);
47:
48: private ItemIF myAddedItem;
49:
50: public SimpleChannelObserver() {
51: super ();
52: }
53:
54: public ItemIF getMyAddedItem() {
55: return myAddedItem;
56: }
57:
58: // ------------------------------------------------------------
59: // Implementation of ChannelObserverIF
60: // ------------------------------------------------------------
61:
62: public void itemAdded(ItemIF newItem) {
63: myAddedItem = newItem;
64: logger.info("A new item was added: " + newItem);
65: }
66:
67: public void channelRetrieved(ChannelIF channel) {
68: logger.info("Channel " + channel + " updated.");
69: }
70:
71: }
|