Dump Class Reference

Inheritance diagram for Dump:

Collaboration diagram for Dump:

Public Member Functions
String	getURI ()
String	operation (org.locationtech.jts.geom.Geometry geom)
Value	evaluate (ValueFactory valueFactory, Value... args) throws ValueExprEvaluationException
abstract String	operation (Geometry geom)

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_dump.stringValue();
        }

References POSTGIS.st_dump.

operation() [1/2]

abstract String operation ( Geometry  geom )

abstractinherited

Reimplemented in DumpRings, Zmflag, AsEncodedPolyline, SridGetUnit, SridGetDatum, SridGetAxis2Orientation, SridGetAxis2Name, SridGetAxis1Orientation, SridGetAxis1Name, GeomCRSToWKT, AsX3D, AsTextRaw, AsText, AsPolyshape, AsOSMLink, AsMVT, AsLatLonText, AsKML, AsGPX, AsGML, AsGeoURI, AsGeoRSS, AsGeoJSON, AsGeoHash, AsGeobuf, AsGARS, AsBinary, IsValidReason, IsValidDetail, and GeometryType.

Referenced by GeometricStringExportFunction.evaluate().

operation() [2/2]

String operation

(

org.locationtech.jts.geom.Geometry

geom

)

                                                                         {
             List<String> results = new ArrayList<>(geom.getNumGeometries());
             for (int i = 0; i < geom.getNumGeometries(); i++) {
                 Geometry res = geom.getGeometryN(i);
                 String resString = res.toText();
                 results.add(resString);
             }
             return String.join(" ", results);
        }