/* * Copyright (c) 2007 by the University of Applied Sciences Northwestern Switzerland (FHNW) *  * This program can be redistributed or modified under the terms of the * GNU General Public License as published by the Free Software Foundation. * This program is distributed without any warranty or implied warranty * of merchantability or fitness for a particular purpose. * * See the GNU General Public License for more details. */package ch.fhnw.imvs.gpssimulator.tools;import java.io.File;import java.io.FileReader;import java.io.IOException;import java.util.ArrayList;import java.util.List;import org.xml.sax.Attributes;import org.xml.sax.InputSource;import org.xml.sax.SAXException;import org.xml.sax.XMLReader;import org.xml.sax.helpers.DefaultHandler;import org.xml.sax.helpers.XMLReaderFactory;public class XMLParser extends DefaultHandler {	private List<XMLData> xmlData;	private int time = 0;		private XMLParser(){        time = 0;        xmlData = new ArrayList<XMLData>();	}		public static List<XMLData> parse(File file) throws IOException {		try {			XMLParser h = new XMLParser();	        XMLReader xr = XMLReaderFactory.createXMLReader();	        xr.setContentHandler(h);	        xr.setErrorHandler(h);	        FileReader r = new FileReader(file.getAbsoluteFile());	        xr.parse(new InputSource(r));	        	        return h.xmlData;		} catch (SAXException e) {			return null;		}	}//	private double convert(double deg){//		int sig = deg>0?1:-1;//		deg = Math.abs(deg);//		int degInt = (int) deg;//		double decFrac = deg - degInt;//		return sig * (100*degInt + 60*decFrac);//	}		@Override	public void startElement (String uri, String name, String qName, Attributes atts) {		if (qName.equals("waypoint")) {			int    timeDiff = Integer.parseInt(atts.getValue("time"));			double latitude = Double.parseDouble(atts.getValue("latitude"));			double longitude = Double.parseDouble(atts.getValue("longitude"));			double altitude = Double.parseDouble(atts.getValue("altitude"));			time = time + timeDiff;			xmlData.add(new XMLData(time, latitude, longitude, altitude));		}	}}