mirror of
https://github.com/yacy/yacy_search_server.git
synced 2024-09-19 00:01:41 +02:00
06d0e2aeb9
- Above brought up that parser start url parameter, declared as AnchorURL uses only methodes of parent object DigestURL (changed parameter declaration accordingly).
152 lines
4.7 KiB
Java
152 lines
4.7 KiB
Java
/**
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* mmParser
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* Copyright 2010 by Marc Nause, marc.nause@gmx.de, Braunschweig, Germany
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* First released 27.12.2010 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.nio.charset.StandardCharsets;
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import java.util.ArrayList;
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import java.util.Date;
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import java.util.List;
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import javax.xml.parsers.ParserConfigurationException;
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import javax.xml.parsers.SAXParser;
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import javax.xml.parsers.SAXParserFactory;
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import net.yacy.cora.document.encoding.UTF8;
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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.VocabularyScraper;
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import org.xml.sax.Attributes;
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import org.xml.sax.SAXException;
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import org.xml.sax.helpers.DefaultHandler;
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// this is a new implementation of this parser idiom using multiple documents as result set
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public class mmParser extends AbstractParser implements Parser {
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public mmParser() {
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super("FreeMind Parser");
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this.SUPPORTED_EXTENSIONS.add("mm");
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this.SUPPORTED_MIME_TYPES.add("application/freemind");
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this.SUPPORTED_MIME_TYPES.add("application/x-freemind");
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}
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private static final ThreadLocal<SAXParser> tlSax = new ThreadLocal<SAXParser>();
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private static SAXParser getParser() throws SAXException {
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SAXParser parser = tlSax.get();
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if (parser == null) {
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try {
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parser = SAXParserFactory.newInstance().newSAXParser();
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} catch (final ParserConfigurationException e) {
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throw new SAXException(e.getMessage(), e);
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}
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tlSax.set(parser);
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}
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return parser;
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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 Parser.Failure, InterruptedException
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{
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final StringBuilder sb = new StringBuilder();
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String rootElementText = "";
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byte[] content = new byte[0];
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try {
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final SAXParser saxParser = getParser();
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final FreeMindHandler freeMindHandler = new FreeMindHandler();
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saxParser.parse(source, freeMindHandler);
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final List<String> nodeTextList = freeMindHandler.getNodeText();
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rootElementText = nodeTextList.isEmpty() ? "" : nodeTextList.get(0);
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for (final String nodeText : nodeTextList) {
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sb.append(nodeText);
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sb.append(". ");
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}
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content = UTF8.getBytes(sb.toString());
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} catch (final SAXException ex) {
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AbstractParser.log.warn(ex.getMessage());
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} catch (final IOException ex) {
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AbstractParser.log.warn(ex.getMessage());
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}
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return new Document[]{new Document(
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location,
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mimeType,
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StandardCharsets.UTF_8.name(),
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this,
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null,
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null,
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singleList(rootElementText),
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null,
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null,
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null,
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null,
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0.0d, 0.0d,
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content,
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null,
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null,
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null,
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false,
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new Date())};
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}
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private class FreeMindHandler extends DefaultHandler {
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private final List<String> nodeText = new ArrayList<String>();
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@Override
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public void startElement(final String uri, final String localName,
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final String qName, final Attributes attributes) {
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if (qName.equals("node")) {
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final String textValue = attributes.getValue("TEXT");
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if (textValue != null) {
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this.nodeText.add(textValue);
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}
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}
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}
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protected List<String> getNodeText() {
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return this.nodeText;
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}
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}
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}
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