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117 lines
3.9 KiB
117 lines
3.9 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.HashSet;
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import java.util.LinkedHashMap;
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import java.util.List;
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import java.util.Set;
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import net.yacy.cora.document.feed.Hit;
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import net.yacy.cora.document.feed.RSSFeed;
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import net.yacy.cora.document.feed.RSSReader;
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import net.yacy.cora.document.id.DigestURL;
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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.VocabularyScraper;
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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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this.SUPPORTED_EXTENSIONS.add("rss");
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this.SUPPORTED_EXTENSIONS.add("xml");
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this.SUPPORTED_MIME_TYPES.add("XML");
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this.SUPPORTED_MIME_TYPES.add("text/rss");
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this.SUPPORTED_MIME_TYPES.add("application/rss+xml");
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this.SUPPORTED_MIME_TYPES.add("application/atom+xml");
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}
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@Override
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public Document[] parse(
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final DigestURL location,
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final String mimeType,
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final String charset,
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final VocabularyScraper scraper,
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final int timezoneOffset,
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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);
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} catch (final IOException e) {
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throw new Parser.Failure("Load error:" + e.getMessage(), location, 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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DigestURL itemuri;
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Set<String> languages;
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Document doc;
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for (final Hit item: feed) try {
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itemuri = new DigestURL(item.getLink());
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languages = new HashSet<String>();
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languages.add(item.getLanguage());
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doc = new Document(
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itemuri,
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TextParser.mimeOf(itemuri),
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charset,
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this,
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languages,
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item.getSubject(),
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singleList(item.getTitle()),
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item.getAuthor(),
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item.getCopyright(),
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null,
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item.getDescriptions(),
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item.getLon(),
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item.getLat(),
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null,
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null,
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null,
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new LinkedHashMap<DigestURL, ImageEntry>(),
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false,
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item.getPubDate());
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docs.add(doc);
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} catch (final 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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