/*******************************************************************************
* Copyright (c) MOBAC developers
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
******************************************************************************/
package mobac.data.gpx;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import javax.swing.JOptionPane;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Marshaller;
import javax.xml.bind.Unmarshaller;
import javax.xml.bind.util.JAXBResult;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.Source;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.stream.StreamSource;
import mobac.data.gpx.gpx11.Gpx;
import mobac.program.Logging;
import mobac.utilities.Utilities;
import org.w3c.dom.Document;
public class GPXUtils {
public static boolean checkJAXBVersion() {
boolean res = Utilities.checkJAXBVersion();
if (!res)
JOptionPane.showMessageDialog(null,
"Outdated Java Runtime Environment and JAXB version",
"Mobile Atlas Creator has detected that your used "
+ "Java Runtime Environment is too old.\n Please update "
+ "the Java Runtime Environment to at least \nversion "
+ "1.6.0_14 and restart Mobile Atlas Creator.",
JOptionPane.ERROR_MESSAGE);
return res;
}
public static Gpx loadGpxFile(File f) throws JAXBException {
// Create GPX 1.1 JAXB context
JAXBContext context = JAXBContext.newInstance(Gpx.class);
Unmarshaller unmarshaller = context.createUnmarshaller();
InputStream is = null;
try {
is = new FileInputStream(f);
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
factory.setNamespaceAware(true);
DocumentBuilder loader = factory.newDocumentBuilder();
Document document = loader.parse(is);
String namespace = document.getDocumentElement().getNamespaceURI();
if ("http://www.topografix.com/GPX/1/1".equals(namespace)) {
return (Gpx) unmarshaller.unmarshal(document);
}
if ("http://www.topografix.com/GPX/1/0".equals(namespace)) {
Source xmlSource = new javax.xml.transform.dom.DOMSource(document);
Source xsltSource = new StreamSource(Utilities
.loadResourceAsStream("xsl/gpx10to11.xsl"));
JAXBResult result = new JAXBResult(unmarshaller);
TransformerFactory transFact = TransformerFactory.newInstance();
Transformer trans = transFact.newTransformer(xsltSource);
trans.transform(xmlSource, result);
return (Gpx) result.getResult();
}
throw new JAXBException("Expected GPX 1.0 or GPX1.1 namespace but found \n\""
+ namespace + "\"");
} catch (JAXBException e) {
throw e;
} catch (Exception e) {
throw new JAXBException(e);
} finally {
Utilities.closeStream(is);
}
}
public static void saveGpxFile(Gpx gpx, File f) throws JAXBException {
// Create GPX 1.1 JAXB context
JAXBContext context = JAXBContext.newInstance(Gpx.class);
Marshaller marshaller = context.createMarshaller();
marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE);
OutputStream os = null;
try {
os = new FileOutputStream(f);
marshaller.marshal(gpx, os);
} catch (FileNotFoundException e) {
throw new JAXBException(e);
} finally {
Utilities.closeStream(os);
}
}
public static void main(String[] args) {
Logging.configureConsoleLogging();
try {
loadGpxFile(new File("misc/samples/gpx/gpx11 wpt.gpx"));
loadGpxFile(new File("misc/samples/gpx/gpx10 wpt.gpx"));
} catch (JAXBException e) {
e.printStackTrace();
}
}
}