mirror of
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119 lines
3.5 KiB
Java
119 lines
3.5 KiB
Java
// ODMetaHandler.java
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// (C) 2009 by Michael Peter Christen; mc@yacy.net, Frankfurt a. M., Germany
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// first published 18.07.2009 on http://yacy.net
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//
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// This is a part of YaCy, a peer-to-peer based web search engine
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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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// LICENSE
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program 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
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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package net.yacy.document.parser.xml;
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import java.text.ParseException;
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import java.util.Date;
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import net.yacy.cora.date.ISO8601Formatter;
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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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public class ODMetaHandler extends DefaultHandler {
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private final StringBuilder buffer = new StringBuilder();
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private String docCreator = null;
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private String docLanguage = null;
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private String docKeyword = null;
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private String docSubject = null;
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private String docTitle = null;
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private String docDescription = null;
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private String docLastmodified = null;
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public ODMetaHandler() {
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}
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@Override
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public void characters(final char ch[], final int start, final int length) {
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buffer.append(ch, start, length);
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}
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@Override
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public void startElement(final String uri, final String name, final String tag, final Attributes atts) throws SAXException {
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buffer.delete(0, buffer.length());
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}
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@Override
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public void endElement(final String uri, final String name, final String tag) {
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if ("dc:creator".equals(tag)) {
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this.docCreator = buffer.toString();
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} else if ("dc:language".equals(tag)) {
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this.docLanguage = buffer.toString();
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} else if ("meta:keyword".equals(tag)) {
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this.docKeyword = buffer.toString();
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} else if ("dc:subject".equals(tag)) {
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this.docSubject = buffer.toString();
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} else if ("dc:title".equals(tag)) {
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this.docTitle = buffer.toString();
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} else if ("dc:description".equals(tag)) {
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this.docDescription = buffer.toString();
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} else if ("dcterms:modified".equals(tag) || "dc:date".equals(tag)) { // Microsoft uses <dcterms:modified>, OpenOffice <dc:date>
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this.docLastmodified = buffer.toString();
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}
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}
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public String getCreator() {
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return docCreator;
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}
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public String getLanguage() {
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return docLanguage;
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}
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public String getKeyword() {
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return docKeyword;
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}
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public String getSubject() {
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return docSubject;
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}
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public String getTitle() {
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return docTitle;
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}
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public String getDescription() {
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return docDescription;
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}
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/**
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* get the last modification date of the document
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*
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* @return date or null
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*/
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public Date getLastModified() {
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Date d;
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if (docLastmodified != null && !docLastmodified.isEmpty()) {
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try {
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d = ISO8601Formatter.FORMATTER.parse(this.docLastmodified, 0).getTime();
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} catch (ParseException ex) {
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d = null;
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}
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} else {
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d = null;
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}
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return d;
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}
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}
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