Returns a GeoRSS representation of a given geometry. More...

Inheritance diagram for AsGeoRSS:

Collaboration diagram for AsGeoRSS:

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Public Member Functions
String	operation (Geometry geom)

String	getURI ()

Value	evaluate (ValueFactory valueFactory, Value... args) throws ValueExprEvaluationException

Package Attributes
String	out

String	out2 ="</item></channel></rss>"

Detailed Description

Returns a GeoRSS representation of a given geometry.

Member Function Documentation

◆ evaluate()

Value evaluate	(	ValueFactory	valueFactory,
		Value...	args
	)		throws ValueExprEvaluationException

inherited

                                                                                                             {
                 if (args.length != 1) {
                         throw new ValueExprEvaluationException(getURI() + " requires exactly 1 arguments, got " + args.length);
                 }
  
                 LiteralType l=LiteralRegistry.getLiteral(((Literal)args[0]).getDatatype().toString());
                 if(l instanceof VectorLiteral) {
                         Geometry geom=((VectorLiteral)l).read(args[0].stringValue());
                         String result = operation(geom);
                         return valueFactory.createLiteral(result);
                 }
                 throw new ValueExprEvaluationException("Argument given is not a geometry literal");
                 
         }

References LiteralRegistry.getLiteral(), and GeometricStringExportFunction.operation().

Referenced by AsBinaryTest.testAsBinary(), AsEncodedPolylineTest.testAsEncodedPolyline(), AsGARSTest.testAsGARS(), AsGeoJSONTest.testAsGeoJSON(), AsGeoRSSTest.testAsGeoRSS(), AsGeoURITest.testAsGeoURI(), AsLatLonTextTest.testAsLatLonText(), AsOSMLinkTest.testAsOSMLink(), AsPolyshapeTest.testAsPolyShape(), AsTextTest.testAsText(), AsTextRawTest.testAsTextRaw(), AsTextTest.testAsTextZ(), DumpTest.testDump(), GeomCRSToWKTTest.testGeomCRSToWKT(), GeometryTypeTest.testLineString(), SridGetAxis1OrientationTest.testSridAxis1Orientation(), SridGetAxis2OrientationTest.testSridAxis2Orientation(), SridGetAxis1NameTest.testSridGetAxis1Name(), SridGetAxis2NameTest.testSridGetAxis2Name(), and SridGetDatumTest.testSridGetDatum().

◆ getURI()

String getURI ( )

                                {
                 return POSTGIS.ST_ASGEORSS.stringValue();
         }

References POSTGIS.ST_ASGEORSS.

◆ operation()

String operation ( Geometry geom )

Reimplemented from GeometricStringExportFunction.

                                                {
         AsGML asgml=new AsGML();
         String gml=asgml.operation(geom);
         return out+gml+out2;
         }

References AsGML.operation(), AsGeoRSS.out, and AsGeoRSS.out2.

Member Data Documentation

◆ out

String out

package

Initial value:

="<?xml version=\"1.0\" encoding=\"UTF-8\"?>"+
                          "<rss version=\"2.0\""+
                               "xmlns:georss=\"http://www.georss.org/georss\""+
                               "xmlns:gml=\"http://www.opengis.net/gml\">"+
                            "<channel>"+
                            "<link>http://www.i3mainz.de/postgis-jena</link>"+
                            "<title>Cambridge Neighborhoods</title>"+
                            "<description>One guy's view of Cambridge, MA</description>"+
                            "<item>"+
                              "<guid isPermaLink=\"false\">00000111c36421c1321d3</guid>"+
                              "<pubDate>"+System.currentTimeMillis()+"</pubDate>"

Referenced by AsGeoRSS.operation().

◆ out2

String out2 ="</item></channel></rss>"