GPXDatatype Class Reference

Inheritance diagram for GPXDatatype:

Collaboration diagram for GPXDatatype:

Public Member Functions
Geometry	read (String geometryLiteral)
String	unparse (Geometry geom)

Static Public Attributes
static final String	URI = POSTGIS.HEXWKB
	The default WKT type URI. More...
static final GPXDatatype	INSTANCE = new GPXDatatype()
	A static instance of WKTDatatype. More...

Package Attributes
String	out
String	out2
String	out3 =" </trkseg></trk></gpx>"

Member Function Documentation

read()

Geometry read

(

String

geometryLiteral

)

Reimplemented from VectorLiteral.

                                                     {
 
                try {
                        SAXParser parser=SAXParserFactory.newInstance().newSAXParser();
                        InputStream stream = new ByteArrayInputStream(geometryLiteral.getBytes(StandardCharsets.UTF_8));
                        GPXHandler handler=new GPXHandler();
                        parser.parse(stream, handler);
                        GeometryFactory fac=new GeometryFactory();
                        if(handler.coordinates.size()==1 && handler.coordinates.get(0).size()==1) {
                                return fac.createPoint(handler.coordinates.get(0).get(0));
                        }
                        if(handler.coordinates.size()==1 && handler.coordinates.get(0).size()>1) {
                                return fac.createLineString(handler.coordinates.get(0).toArray(new Coordinate[0]));
                        }
                        /*if(handler.coordinates.size()>1 && handler.coordinates.get(0).size()>1) {
                        return GeometryWrapperFactory.createMultiLineString(lineStrings, URI);
                        }*/
                } catch (SAXException | IOException | ParserConfigurationException e) {
                        throw new AssertionError("There was an error parsing GPXLiteral: " + geometryLiteral);
                }
                throw new AssertionError("Error parsing GPXLiteral: " + geometryLiteral);
        }

References GPXHandler.coordinates.

unparse()

String unparse

(

Geometry

geom

)

Reimplemented from VectorLiteral.

                                             {
            StringBuilder trackpoints=new StringBuilder();
            for(Coordinate coord:geom.getCoordinates()) {
                trackpoints.append("<trkpt lat='"+coord.x+"' lon='"+coord.y+"'>");
                if(!Double.isNaN(coord.getZ()))
                        trackpoints.append("<ele>"+coord.getZ()+"</ele>");
                trackpoints.append("</trkpt>");
            }
            return out+out2+trackpoints+out3;
        }

References GPXDatatype.out, GPXDatatype.out2, and GPXDatatype.out3.

Member Data Documentation

INSTANCE

final GPXDatatype INSTANCE = new GPXDatatype()

static

A static instance of WKTDatatype.

Referenced by LiteralRegistry.LiteralRegistry().

out

String out

package

Initial value:

=               "<?xml version='1.0' encoding='UTF-8' standalone='no' ?>" + 
                        "<gpx version='1.0'>"+
                        "<name>Example gpx</name>"

Referenced by GPXDatatype.unparse().

out2

String out2

package

Initial value:

= 
                        "  <trk>" + 
                        "    <name>Example gpx</name>" + 
                        "    <trkseg>"

Referenced by GPXDatatype.unparse().

out3

String out3 =" </trkseg></trk></gpx>"

package

Referenced by GPXDatatype.unparse().

URI

final String URI = POSTGIS.HEXWKB

static

The default WKT type URI.

Referenced by LiteralRegistry.LiteralRegistry().