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A j2se geo support library that is compatible with Android.
/*
* Copyright (c) 2015-2016 by k3b.
*
* This file is part of k3b-geoHelper library.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package de.k3b.geo.io.gpx;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.xml.sax.Attributes;
import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;
import java.io.IOException;
import java.util.Date;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;
import javax.xml.parsers.SAXParserFactory;
import de.k3b.geo.api.GeoPointDto;
import de.k3b.geo.api.IGeoInfoHandler;
import de.k3b.geo.io.GeoFormatter;
import de.k3b.geo.io.GeoUri;
import de.k3b.geo.io.GeoUriDef;
import de.k3b.util.IsoDateTimeParser;
/**
* Parser for xml-geo formats implemented for
* - gpx-1.1 http://www.topografix.com/GPX/1/1/ and
* - gpx-1.0 http://www.topografix.com/GPX/1/0/ and
* - poi (de.k3b.geo internal format compatible with geo-uri format)
* - kml-2.2 (a little bit of http://www.opengis.net/kml/2.2).
*
* This parser is not acurate: it might pick elements from wrong namespaces.
*
* Note: if you change/add features to this xml parser
* ...\LocationMapViewer\k3b-geoHelper\src\main\java\de.k3b.geo.io.gpx.GpxReaderBase.java
* please also update regression test-data and prog at
* ...\LocationMapViewer\k3b-geoHelper\src\test\resources\de\k3b\geo\io\regressionTests\*.*
* ...\LocationMapViewer\k3b-geoHelper\src\test\java\de.k3b.geo.io.GeoPointDtoRegressionTests.java
*
* Created by k3b on 20.01.2015.
*/
public class GpxReaderBase extends DefaultHandler {
private static final Logger logger = LoggerFactory.getLogger(GpxReaderBase.class);
protected IGeoInfoHandler onGotNewWaypoint;
/** if not null this instance is cleared and then reused for every new gpx found */
protected final GeoPointDto mReuse;
/** if not null gpx-v11: "trkpt" parsing is active */
protected GeoPointDto current;
private StringBuffer buf = new StringBuffer();
// used by lon,lat,height blank lon,lat,height ...
try {
String parts[] = buf.toString().split("[,\\s]");
if ((parts != null) && (parts.length >= 2)) {
this.current.setLatitude(Double.parseDouble(parts[1]));
this.current.setLongitude(Double.parseDouble(parts[0]));
}
} catch (NumberFormatException e) {
saxError("/kml//Placemark/Point/coordinates>Expected: 'lon,lat,...' but got "
+ name +"=" + buf.toString());
}
}
}
}
private void saxError(String message) throws SAXException {
throw new SAXException(message);
}
private String getElementName(String localName, String qName) {
if ((localName != null) && (localName.length() > 0))
return localName;
if (qName == null) return "";
int delim = qName.indexOf(":");
if (delim < 0) return qName;
return qName.substring(delim+1);
}
@Override
public void characters(char[] chars, int start, int length)
throws SAXException {
if (this.current != null) {
buf.append(chars, start, length);
}
}
}