2 * Copyright (C) 2001, 2002 The Mir-coders group
4 * This file is part of Mir.
6 * Mir is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * Mir is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with Mir; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 * In addition, as a special exception, The Mir-coders gives permission to link
21 * the code of this program with any library licensed under the Apache Software License,
22 * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
23 * (or with modified versions of the above that use the same license as the above),
24 * and distribute linked combinations including the two. You must obey the
25 * GNU General Public License in all respects for all of the code used other than
26 * the above mentioned libraries. If you modify this file, you may extend this
27 * exception to your version of the file, but you are not obligated to do so.
28 * If you do not wish to do so, delete this exception statement from your version.
34 import mir.log.LoggerWrapper;
35 import mir.rss.RSS091Reader;
36 import mir.rss.RSSData;
37 import mir.rss.RSSReader;
38 import mir.util.ExceptionFunctions;
39 import mir.util.ParameterExpander;
41 public class RSSProducerNode implements ProducerNode {
44 private String version;
45 private String encoding;
47 public RSSProducerNode(String aKey, String aURL, String aVersion) {
48 this (aKey, aURL, aVersion, null);
51 public RSSProducerNode(String aKey, String aURL, String aVersion, String anEncoding) {
55 encoding = anEncoding;
58 public void produce(Map aValueMap, String aVerb, LoggerWrapper aLogger) throws ProducerFailure {
60 RSSData rssData = null;
61 String expandedKey = ParameterExpander.expandExpression( aValueMap, key );
62 String expandedUrl = ParameterExpander.expandExpression( aValueMap, url );
63 String expandedVersion = ParameterExpander.expandExpression( aValueMap, version );
64 String expandedEncoding = null;
66 expandedEncoding = ParameterExpander.expandExpression( aValueMap, encoding );
69 ParameterExpander.setValueForKey(aValueMap, expandedKey, null);
71 if (expandedVersion.equals("1.0")) {
72 RSSReader reader = new RSSReader();
73 if (expandedEncoding!=null) {
74 rssData = reader.parseUrl(expandedUrl, expandedEncoding);
77 rssData = reader.parseUrl(expandedUrl);
80 else if (expandedVersion.equals("0.91")) {
81 RSS091Reader reader = new RSS091Reader();
82 if (expandedEncoding!=null) {
83 rssData = reader.parseUrl(expandedUrl, expandedEncoding);
86 rssData = reader.parseUrl(expandedUrl);
89 ParameterExpander.setValueForKey(aValueMap, expandedKey, rssData);
92 Throwable s = ExceptionFunctions.traceCauseException(t);
93 aLogger.error("Error while processing RSS data: " + s.getClass().getName()+","+ s.getMessage());