ac7f03f44f
git-svn-id: svn://svn.code.sf.net/p/writer2latex/code/trunk@147 f0f2a975-2e09-46c8-9428-3b39399b9f3c
102 lines
3.2 KiB
Java
102 lines
3.2 KiB
Java
/************************************************************************
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*
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* SimpleSAXHandler.java
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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 version 2.1, as published by the Free Software Foundation.
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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
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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* Copyright: 2002-2012 by Henrik Just
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*
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* All Rights Reserved.
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*
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* Version 1.4 (2012-04-01)
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*
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*/
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package writer2latex.util;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.StringReader;
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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 org.w3c.dom.Document;
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import org.xml.sax.Attributes;
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import org.xml.sax.InputSource;
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import org.xml.sax.SAXException;
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import org.xml.sax.helpers.DefaultHandler;
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/** A simple SAX based XML parser which transforms the SAX events into a DOM tree
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* (supporting element and text nodes only)
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*/
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public class SimpleXMLParser extends DefaultHandler {
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/** Static method to parse an XML input stream into a DOM tree
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*
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* @param is the input stream to parse
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* @return a DOM tree of the document
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* @throws IOException if an error occurs reading the input stream
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* @throws SAXException if an error occurs parsing the stream
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*/
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public static Document parse(InputStream is) throws IOException, SAXException {
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SAXParserFactory factory=SAXParserFactory.newInstance();
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factory.setValidating(false);
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SimpleXMLParser handler = new SimpleXMLParser();
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try {
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SAXParser saxParser = factory.newSAXParser();
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saxParser.parse(is,handler);
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return handler.getDOM();
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}
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catch (ParserConfigurationException e) {
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System.err.println("Oops - failed to get XML parser!?");
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e.printStackTrace();
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}
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return null;
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}
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private SimpleDOMBuilder builder = new SimpleDOMBuilder();
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public org.w3c.dom.Document getDOM() {
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return builder.getDOM();
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}
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// We don't need - and in fact should avoid - any external entities
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@Override public InputSource resolveEntity(String publicID, String systemID) throws SAXException {
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System.out.println("resolveEntity "+publicID+" "+systemID);
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return new InputSource(new StringReader(""));
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}
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@Override public void startElement(String nameSpace, String localName, String qName, Attributes attributes){
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builder.startElement(qName);
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int nLen = attributes.getLength();
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for (int i=0;i<nLen;i++) {
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builder.setAttribute(attributes.getQName(i), attributes.getValue(i));
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}
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}
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@Override public void endElement(String nameSpace, String localName, String qName){
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builder.endElement();
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}
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@Override public void characters(char[] characters, int nStart, int nEnd) throws SAXException {
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builder.characters(new String(characters,nStart,nEnd));
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}
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}
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