X-Git-Url: https://git.argeo.org/?p=gpl%2Fargeo-suite.git;a=blobdiff_plain;f=org.argeo.app.core%2Fsrc%2Forg%2Fargeo%2Fapp%2Fgeo%2FGpxUtils.java;fp=org.argeo.app.core%2Fsrc%2Forg%2Fargeo%2Fapp%2Fgeo%2FGpxUtils.java;h=0000000000000000000000000000000000000000;hp=645b08bda8d9ed13b05c4488e1c3ad326e3f660f;hb=37c5768d88096f4eb7be02f18770b6a40be5c110;hpb=9803af38d9ec2eccc2cb5e01a276cbf2edd0d50c

diff --git a/org.argeo.app.core/src/org/argeo/app/geo/GpxUtils.java b/org.argeo.app.core/src/org/argeo/app/geo/GpxUtils.java
deleted file mode 100644
index 645b08b..0000000
--- a/org.argeo.app.core/src/org/argeo/app/geo/GpxUtils.java
+++ /dev/null
@@ -1,99 +0,0 @@
-package org.argeo.app.geo;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.OutputStream;
-import java.io.OutputStreamWriter;
-import java.io.Writer;
-import java.nio.charset.StandardCharsets;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.Objects;
-import java.util.StringTokenizer;
-
-import javax.xml.parsers.ParserConfigurationException;
-import javax.xml.parsers.SAXParser;
-import javax.xml.parsers.SAXParserFactory;
-
-import org.geotools.data.DataUtilities;
-import org.geotools.feature.SchemaException;
-import org.geotools.feature.simple.SimpleFeatureBuilder;
-import org.geotools.geometry.jts.JTSFactoryFinder;
-import org.locationtech.jts.geom.Coordinate;
-import org.locationtech.jts.geom.GeometryFactory;
-import org.locationtech.jts.geom.Polygon;
-import org.opengis.feature.simple.SimpleFeature;
-import org.opengis.feature.simple.SimpleFeatureType;
-import org.xml.sax.Attributes;
-import org.xml.sax.SAXException;
-import org.xml.sax.helpers.DefaultHandler;
-
-/** Utilities around the GPX format. */
-public class GpxUtils {
-
-	public static SimpleFeature parseGpxToPolygon(InputStream in) throws IOException {
-		try {
-			final SimpleFeatureType TYPE = DataUtilities.createType("Area", "the_geom:Polygon:srid=4326");
-			SimpleFeatureBuilder featureBuilder = new SimpleFeatureBuilder(TYPE);
-
-			GeometryFactory geometryFactory = JTSFactoryFinder.getGeometryFactory();
-			List<Coordinate> coordinates = new ArrayList<>();
-			SAXParserFactory factory = SAXParserFactory.newInstance();
-			SAXParser saxParser = factory.newSAXParser();
-
-			saxParser.parse(in, new DefaultHandler() {
-
-				@Override
-				public void startElement(String uri, String localName, String qName, Attributes attributes)
-						throws SAXException {
-					if ("trkpt".equals(qName)) {
-						Double latitude = Double.parseDouble(attributes.getValue("lat"));
-						Double longitude = Double.parseDouble(attributes.getValue("lon"));
-						Coordinate coordinate = new Coordinate(longitude, latitude);
-						coordinates.add(coordinate);
-					}
-				}
-
-			});
-			// close the line string
-			coordinates.add(coordinates.get(0));
-
-			Polygon polygon = geometryFactory.createPolygon(coordinates.toArray(new Coordinate[coordinates.size()]));
-			featureBuilder.add(polygon);
-			SimpleFeature area = featureBuilder.buildFeature(null);
-			return area;
-		} catch (ParserConfigurationException | SAXException | SchemaException e) {
-			throw new RuntimeException("Cannot convert GPX", e);
-		}
-	}
-
-	public static void writeGeoShapeAsGpx(String geoShape, OutputStream out) throws IOException {
-		Objects.requireNonNull(geoShape);
-		Writer writer = new OutputStreamWriter(out, StandardCharsets.UTF_8);
-		writer.append("<gpx><trk><trkseg>");
-		StringTokenizer stSeg = new StringTokenizer(geoShape.trim(), ";");
-		while (stSeg.hasMoreTokens()) {
-			StringTokenizer stPt = new StringTokenizer(stSeg.nextToken().trim(), " ");
-			String lat = stPt.nextToken();
-			String lng = stPt.nextToken();
-			String alt = stPt.nextToken();
-			// String precision = stPt.nextToken();
-			writer.append("<trkpt");
-			writer.append(" lat=\"").append(lat).append('\"');
-			writer.append(" lon=\"").append(lng).append('\"');
-			if (!alt.equals("0.0")) {
-				writer.append('>');
-				writer.append("<ele>").append(alt).append("</ele>");
-				writer.append("</trkpt>");
-			} else {
-				writer.append("/>");
-			}
-		}
-		writer.append("</trkseg></trk></gpx>");
-		writer.flush();
-	}
-
-	/** Singleton. */
-	private GpxUtils() {
-	}
-}