001 //$HeadURL: https://svn.wald.intevation.org/svn/deegree/base/branches/2.3_testing/src/org/deegree/io/gpx/GPXReader.java $
002 /*----------------------------------------------------------------------------
003 This file is part of deegree, http://deegree.org/
004 Copyright (C) 2001-2009 by:
005 Department of Geography, University of Bonn
006 and
007 lat/lon GmbH
008
009 This library is free software; you can redistribute it and/or modify it under
010 the terms of the GNU Lesser General Public License as published by the Free
011 Software Foundation; either version 2.1 of the License, or (at your option)
012 any later version.
013 This library is distributed in the hope that it will be useful, but WITHOUT
014 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
015 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
016 details.
017 You should have received a copy of the GNU Lesser General Public License
018 along with this library; if not, write to the Free Software Foundation, Inc.,
019 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
020
021 Contact information:
022
023 lat/lon GmbH
024 Aennchenstr. 19, 53177 Bonn
025 Germany
026 http://lat-lon.de/
027
028 Department of Geography, University of Bonn
029 Prof. Dr. Klaus Greve
030 Postfach 1147, 53001 Bonn
031 Germany
032 http://www.geographie.uni-bonn.de/deegree/
033
034 e-mail: info@deegree.org
035 ----------------------------------------------------------------------------*/
036
037 package org.deegree.io.gpx;
038
039 import static org.deegree.framework.log.LoggerFactory.getLogger;
040
041 import java.io.InputStream;
042
043 import javax.xml.transform.Transformer;
044 import javax.xml.transform.TransformerConfigurationException;
045 import javax.xml.transform.TransformerException;
046 import javax.xml.transform.TransformerFactory;
047 import javax.xml.transform.dom.DOMResult;
048 import javax.xml.transform.stream.StreamSource;
049
050 import org.deegree.framework.log.ILogger;
051 import org.deegree.framework.xml.XMLParsingException;
052 import org.deegree.model.feature.FeatureCollection;
053 import org.deegree.model.feature.GMLFeatureCollectionDocument;
054 import org.w3c.dom.Document;
055
056 /**
057 * <code>GPXReader</code> is a VERY basic reader for .gpx files. The files are transformed via xslt to a gml feature
058 * collection.
059 *
060 * @author <a href="mailto:schmitz@lat-lon.de">Andreas Schmitz</a>
061 * @author last edited by: $Author: mschneider $
062 *
063 * @version $Revision: 18195 $, $Date: 2009-06-18 17:55:39 +0200 (Do, 18. Jun 2009) $
064 */
065 public class GPXReader {
066
067 private static final ILogger LOG = getLogger( GPXReader.class );
068
069 private static TransformerFactory factory = TransformerFactory.newInstance();
070
071 /**
072 * @param in
073 * @return the resulting collection
074 */
075 public static FeatureCollection read( InputStream in ) {
076 try {
077 Transformer t = factory.newTransformer( new StreamSource( GPXReader.class.getResourceAsStream( "tofc.xsl" ) ) );
078 DOMResult target = new DOMResult();
079 t.transform( new StreamSource( in ), target );
080 GMLFeatureCollectionDocument doc = new GMLFeatureCollectionDocument();
081 doc.setRootElement( ( (Document) target.getNode() ).getDocumentElement() );
082 return doc.parse();
083 } catch ( TransformerConfigurationException e ) {
084 LOG.logError( "Unknown error", e );
085 } catch ( TransformerException e ) {
086 LOG.logError( "Unknown error", e );
087 } catch ( XMLParsingException e ) {
088 LOG.logError( "Unknown error", e );
089 }
090 return null;
091 }
092
093 }