mirror of
https://github.com/yacy/yacy_search_server.git
synced 2024-09-21 00:00:13 +02:00
5fc6524ca8
later - added abstract add, delete, get methods in the triplestore - added generation of triples after auto-annotation - migrated all MultiProtocolURI objects to DigestURI in the parser since the url hash is needed as subject value in the triples in the triple store
142 lines
4.3 KiB
Java
142 lines
4.3 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.util.ArrayList;
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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.UTF8;
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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.kelondro.data.meta.DigestURI;
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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 (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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public Document[] parse(final DigestURI location, final String mimeType,
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final String charset, 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.size() > 0) ? 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 (SAXException ex) {
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this.log.logWarning(ex.getMessage());
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} catch (IOException ex) {
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this.log.logWarning(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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"UTF-8",
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this,
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null,
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null,
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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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0.0f, 0.0f,
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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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}
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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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