public class GeoJsonReader
extends java.lang.Object
Geometry
.
A specification of the GeoJson format can be found at the GeoJson web site: http://geojson.org/geojson-spec.html.
It is the caller's responsibility to ensure that the supplied
PrecisionModel
matches the precision of the incoming data. If a lower
precision for the data is required, a subsequent process must be run on the
data to reduce its precision.
Modifier and Type | Field and Description |
---|---|
private GeometryFactory |
gf |
Constructor and Description |
---|
GeoJsonReader()
The default constructor uses the SRID from the Geojson CRS and the
default
PrecisionModel to create a
GeometryFactory . |
GeoJsonReader(GeometryFactory geometryFactory)
This constructor accepts a
GeometryFactory that is used
to create the output geometries and to override the GeoJson CRS. |
Modifier and Type | Method and Description |
---|---|
private Geometry |
create(java.util.Map<java.lang.String,java.lang.Object> geometryMap,
GeometryFactory geometryFactory) |
private CoordinateSequence |
createCoordinate(java.util.List<java.lang.Number> ordinates) |
private CoordinateSequence |
createCoordinateSequence(java.util.List<java.util.List<java.lang.Number>> coordinates) |
private Geometry |
createGeometryCollection(java.util.Map<java.lang.String,java.lang.Object> geometryMap,
GeometryFactory geometryFactory) |
private Geometry |
createLineString(java.util.Map<java.lang.String,java.lang.Object> geometryMap,
GeometryFactory geometryFactory) |
private Geometry |
createMultiLineString(java.util.Map<java.lang.String,java.lang.Object> geometryMap,
GeometryFactory geometryFactory) |
private Geometry |
createMultiPoint(java.util.Map<java.lang.String,java.lang.Object> geometryMap,
GeometryFactory geometryFactory) |
private Geometry |
createMultiPolygon(java.util.Map<java.lang.String,java.lang.Object> geometryMap,
GeometryFactory geometryFactory) |
private Geometry |
createPoint(java.util.Map<java.lang.String,java.lang.Object> geometryMap,
GeometryFactory geometryFactory) |
private Geometry |
createPolygon(java.util.Map<java.lang.String,java.lang.Object> geometryMap,
GeometryFactory geometryFactory) |
private GeometryFactory |
getGeometryFactory(java.util.Map<java.lang.String,java.lang.Object> geometryMap) |
Geometry |
read(java.io.Reader reader)
Reads a GeoJson Geometry from a
Reader into a single
Geometry . |
Geometry |
read(java.lang.String json)
Reads a GeoJson Geometry from a String into a single
Geometry . |
private GeometryFactory gf
public GeoJsonReader()
PrecisionModel
to create a
GeometryFactory
. If there is no CRS specified then the default
CRS is a geographic coordinate reference system, using the WGS84 datum, and
with longitude and latitude units of decimal degrees (SRID = 4326)public GeoJsonReader(GeometryFactory geometryFactory)
GeometryFactory
that is used
to create the output geometries and to override the GeoJson CRS.geometryFactory
- a GeometryFactorypublic Geometry read(java.lang.String json) throws ParseException
Geometry
.json
- The GeoJson String to parseParseException
- throws a ParseException if the JSON string cannot be parsedpublic Geometry read(java.io.Reader reader) throws ParseException
Reader
into a single
Geometry
.reader
- The input sourceParseException
- throws a ParseException if the JSON string cannot be parsedprivate Geometry create(java.util.Map<java.lang.String,java.lang.Object> geometryMap, GeometryFactory geometryFactory) throws ParseException
ParseException
private Geometry createGeometryCollection(java.util.Map<java.lang.String,java.lang.Object> geometryMap, GeometryFactory geometryFactory) throws ParseException
ParseException
private Geometry createMultiPolygon(java.util.Map<java.lang.String,java.lang.Object> geometryMap, GeometryFactory geometryFactory) throws ParseException
ParseException
private Geometry createMultiLineString(java.util.Map<java.lang.String,java.lang.Object> geometryMap, GeometryFactory geometryFactory) throws ParseException
ParseException
private Geometry createMultiPoint(java.util.Map<java.lang.String,java.lang.Object> geometryMap, GeometryFactory geometryFactory) throws ParseException
ParseException
private Geometry createPolygon(java.util.Map<java.lang.String,java.lang.Object> geometryMap, GeometryFactory geometryFactory) throws ParseException
ParseException
private Geometry createLineString(java.util.Map<java.lang.String,java.lang.Object> geometryMap, GeometryFactory geometryFactory) throws ParseException
ParseException
private Geometry createPoint(java.util.Map<java.lang.String,java.lang.Object> geometryMap, GeometryFactory geometryFactory) throws ParseException
ParseException
private GeometryFactory getGeometryFactory(java.util.Map<java.lang.String,java.lang.Object> geometryMap) throws ParseException
ParseException
private CoordinateSequence createCoordinateSequence(java.util.List<java.util.List<java.lang.Number>> coordinates)
private CoordinateSequence createCoordinate(java.util.List<java.lang.Number> ordinates)