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110 lines
3.8 KiB
110 lines
3.8 KiB
/**
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* rssParser.java
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* Copyright 2010 by Michael Peter Christen, mc@yacy.net, Frankfurt am Main, Germany
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* First released 20.08.2010 at http://yacy.net
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*
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// $LastChangedDate $
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// $LastChangedRevision $
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// $LastChangedBy $
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program in the file lgpl21.txt
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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package net.yacy.document.parser;
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import java.io.IOException;
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import java.io.InputStream;
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import java.net.MalformedURLException;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.List;
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import java.util.Map;
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import java.util.Set;
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import net.yacy.cora.document.MultiProtocolURI;
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import net.yacy.cora.document.RSSFeed;
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import net.yacy.cora.document.RSSReader;
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import net.yacy.cora.document.Hit;
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import net.yacy.document.AbstractParser;
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import net.yacy.document.Document;
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import net.yacy.document.Parser;
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import net.yacy.document.TextParser;
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import net.yacy.document.parser.html.ImageEntry;
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public class rssParser extends AbstractParser implements Parser {
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public rssParser() {
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super("RSS Parser");
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SUPPORTED_EXTENSIONS.add("rss");
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SUPPORTED_EXTENSIONS.add("xml");
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SUPPORTED_MIME_TYPES.add("XML");
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SUPPORTED_MIME_TYPES.add("text/rss");
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SUPPORTED_MIME_TYPES.add("application/rss+xml");
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SUPPORTED_MIME_TYPES.add("application/atom+xml");
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}
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public Document[] parse(final MultiProtocolURI url, final String mimeType,
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final String charset, final InputStream source)
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throws Failure, InterruptedException {
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RSSReader rssReader;
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try {
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rssReader = new RSSReader(RSSFeed.DEFAULT_MAXSIZE, source, RSSReader.Type.none);
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} catch (IOException e) {
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throw new Parser.Failure("Load error:" + e.getMessage(), url, e);
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}
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final RSSFeed feed = rssReader.getFeed();
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//RSSMessage channel = feed.getChannel();
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final List<Document> docs = new ArrayList<Document>();
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MultiProtocolURI uri;
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Set<String> languages;
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Map<MultiProtocolURI, String> anchors;
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Document doc;
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for (final Hit item: feed) try {
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uri = new MultiProtocolURI(item.getLink());
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languages = new HashSet<String>();
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languages.add(item.getLanguage());
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anchors = new HashMap<MultiProtocolURI, String>();
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anchors.put(uri, item.getTitle());
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doc = new Document(
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uri,
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TextParser.mimeOf(url),
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charset,
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languages,
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item.getSubject(),
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item.getTitle(),
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item.getAuthor(),
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item.getCopyright(),
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new String[0],
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item.getDescription(),
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null,
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anchors,
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null,
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new HashMap<MultiProtocolURI, ImageEntry>(),
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false);
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docs.add(doc);
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} catch (MalformedURLException e) {
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continue;
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}
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final Document[] da = new Document[docs.size()];
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docs.toArray(da);
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return da;
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}
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}
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