org.deegree.gml.geometry
Class GML2GeometryReader

java.lang.Object
  org.deegree.gml.geometry.GML2GeometryReader

All Implemented Interfaces:

GMLGeometryReader

public class GML2GeometryReader
extends Object
implements GMLGeometryReader

The GML2GeometryReader parses the geometry elements in GML 2.1 documents. The following geometries are supported:

• Point
• LineString
• LineRing
• Polygon
• MultiPoint
• MultiLineString
• MultiPolygon
• MultiGeometry

Version:

$Revision: 31639 $, $Date: 2011-08-24 21:02:10 +0200 (Wed, 24 Aug 2011) $

Author:

Andrei Ionita, last edited by: $Author: mschneider $

Constructor Summary

GML2GeometryReader()

GML2GeometryReader(org.deegree.geometry.GeometryFactory geomFac, GMLDocumentIdContext idContext)

Method Summary

GMLDocumentIdContext	getDocumentIdContext() Returns the GMLDocumentIdContext that keeps track of objects, identifieres and references.
boolean	isGeometryElement(QName elName) Returns whether the given element name denotes a GML 2... geometry element (a concrete element substitutable for "gml:_Geometry").
boolean	isGeometryElement(XMLStreamReader reader)
boolean	isGeometryOrEnvelopeElement(XMLStreamReader reader)
org.deegree.geometry.Geometry	parse(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream)
org.deegree.geometry.Geometry	parse(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream, org.deegree.cs.coordinatesystems.ICRS defaultCRS)
protected double[]	parseCoordType(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream)
org.deegree.geometry.Envelope	parseEnvelope(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream)
org.deegree.geometry.Envelope	parseEnvelope(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream, org.deegree.cs.coordinatesystems.ICRS defaultCRS)
org.deegree.geometry.Geometry	parseGeometryOrBox(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream) Parse the current geometry or bbox, the given stream is pointing to.
org.deegree.geometry.Geometry	parseGeometryOrBox(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream, org.deegree.cs.coordinatesystems.CRS defaultCRS)
org.deegree.geometry.Geometry	parseGeometryOrEnvelope(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream) Parse the current geometry or bbox, the given stream is pointing to.
org.deegree.geometry.Geometry	parseGeometryOrEnvelope(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream, org.deegree.cs.coordinatesystems.ICRS defaultCRS) Parse the current geometry or envelope the given stream is pointing to.
org.deegree.geometry.primitive.Ring	parseLinearRing(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream)
org.deegree.geometry.primitive.Ring	parseLinearRing(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream, org.deegree.cs.coordinatesystems.ICRS defaultCRS)
org.deegree.geometry.primitive.LineString	parseLineString(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream)
org.deegree.geometry.primitive.LineString	parseLineString(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream, org.deegree.cs.coordinatesystems.ICRS defaultCRS)
org.deegree.geometry.multi.MultiGeometry<org.deegree.geometry.Geometry>	parseMultiGeometry(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream)
org.deegree.geometry.multi.MultiGeometry<org.deegree.geometry.Geometry>	parseMultiGeometry(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream, org.deegree.cs.coordinatesystems.ICRS defaultCRS)
org.deegree.geometry.multi.MultiLineString	parseMultiLineString(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream)
org.deegree.geometry.multi.MultiLineString	parseMultiLineString(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream, org.deegree.cs.coordinatesystems.ICRS defaultCRS)
org.deegree.geometry.multi.MultiPoint	parseMultiPoint(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream)
org.deegree.geometry.multi.MultiPoint	parseMultiPoint(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream, org.deegree.cs.coordinatesystems.ICRS defaultCRS)
org.deegree.geometry.multi.MultiPolygon	parseMultiPolygon(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream)
org.deegree.geometry.multi.MultiPolygon	parseMultiPolygon(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream, org.deegree.cs.coordinatesystems.ICRS defaultCRS)
org.deegree.geometry.primitive.Point	parsePoint(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream)
org.deegree.geometry.primitive.Point	parsePoint(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream, org.deegree.cs.coordinatesystems.ICRS defaultCRS)
org.deegree.geometry.primitive.Polygon	parsePolygon(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream)
org.deegree.geometry.primitive.Polygon	parsePolygon(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream, org.deegree.cs.coordinatesystems.ICRS defaultCRS)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

GML2GeometryReader

public GML2GeometryReader()

GML2GeometryReader

public GML2GeometryReader(org.deegree.geometry.GeometryFactory geomFac,
                          GMLDocumentIdContext idContext)

Parameters:

geomFac -

idContext -

Method Detail

getDocumentIdContext

public GMLDocumentIdContext getDocumentIdContext()

Returns the GMLDocumentIdContext that keeps track of objects, identifieres and references.

Returns:

the GMLDocumentIdContext, never null

parse

public org.deegree.geometry.Geometry parse(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream)
                                    throws XMLStreamException

Specified by:

parse in interface GMLGeometryReader

Parameters:

xmlStream -

Returns:

Throws:

XMLStreamException

isGeometryElement

public boolean isGeometryElement(XMLStreamReader reader)

Specified by:

isGeometryElement in interface GMLGeometryReader

Returns:

true if stream's event is an XMLStreamConstants.START_ELEMENT && the current element's name is a known geometry.

isGeometryOrEnvelopeElement

public boolean isGeometryOrEnvelopeElement(XMLStreamReader reader)

Specified by:

isGeometryOrEnvelopeElement in interface GMLGeometryReader

Returns:

true if stream's event is an XMLStreamConstants.START_ELEMENT && the current element's name is an envelope.

isGeometryElement

public boolean isGeometryElement(QName elName)

Returns whether the given element name denotes a GML 2... geometry element (a concrete element substitutable for "gml:_Geometry").

Parameters:

elName - qualified element name to check

Returns:

true, if the element is a GML 2.y.z. geometry element, false otherwise

parse

public org.deegree.geometry.Geometry parse(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream,
                                           org.deegree.cs.coordinatesystems.ICRS defaultCRS)
                                    throws XMLStreamException

Specified by:

parse in interface GMLGeometryReader

Parameters:

xmlStream -

defaultCRS -

Returns:

Throws:

XMLStreamException

parseGeometryOrEnvelope

public org.deegree.geometry.Geometry parseGeometryOrEnvelope(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream)
                                                      throws org.deegree.commons.xml.XMLParsingException,
                                                             XMLStreamException,
                                                             org.deegree.cs.exceptions.UnknownCRSException

Parse the current geometry or bbox, the given stream is pointing to.

Parameters:

xmlStream -

Returns:

the Geometry (or Envelope) the given stream is pointing to.

Throws:

org.deegree.commons.xml.XMLParsingException

XMLStreamException

org.deegree.cs.exceptions.UnknownCRSException

parseGeometryOrBox

public org.deegree.geometry.Geometry parseGeometryOrBox(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream)
                                                 throws org.deegree.commons.xml.XMLParsingException,
                                                        XMLStreamException,
                                                        org.deegree.cs.exceptions.UnknownCRSException

Parse the current geometry or bbox, the given stream is pointing to.

Parameters:

xmlStream -

Returns:

the Geometry (or Envelope) the given stream is pointing to.

Throws:

org.deegree.commons.xml.XMLParsingException

XMLStreamException

org.deegree.cs.exceptions.UnknownCRSException

parseGeometryOrBox

public org.deegree.geometry.Geometry parseGeometryOrBox(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream,
                                                        org.deegree.cs.coordinatesystems.CRS defaultCRS)
                                                 throws org.deegree.commons.xml.XMLParsingException,
                                                        XMLStreamException,
                                                        org.deegree.cs.exceptions.UnknownCRSException

Parameters:

xmlStream -

defaultCRS -

Returns:

Throws:

org.deegree.commons.xml.XMLParsingException

XMLStreamException

org.deegree.cs.exceptions.UnknownCRSException

parseGeometryOrEnvelope

public org.deegree.geometry.Geometry parseGeometryOrEnvelope(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream,
                                                             org.deegree.cs.coordinatesystems.ICRS defaultCRS)
                                                      throws org.deegree.commons.xml.XMLParsingException,
                                                             XMLStreamException,
                                                             org.deegree.cs.exceptions.UnknownCRSException

Description copied from interface: GMLGeometryReader

Parse the current geometry or envelope the given stream is pointing to.

Specified by:

parseGeometryOrEnvelope in interface GMLGeometryReader

Returns:

the Geometry (or Envelope) the given stream is pointing to.

Throws:

org.deegree.commons.xml.XMLParsingException

XMLStreamException

org.deegree.cs.exceptions.UnknownCRSException

parseMultiPolygon

public org.deegree.geometry.multi.MultiPolygon parseMultiPolygon(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream)
                                                          throws XMLStreamException

Parameters:

xmlStream -

Returns:

Throws:

XMLStreamException

parseMultiPolygon

public org.deegree.geometry.multi.MultiPolygon parseMultiPolygon(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream,
                                                                 org.deegree.cs.coordinatesystems.ICRS defaultCRS)
                                                          throws XMLStreamException

Parameters:

xmlStream -

defaultCRS -

Returns:

Throws:

XMLStreamException

parseMultiLineString

public org.deegree.geometry.multi.MultiLineString parseMultiLineString(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream)
                                                                throws XMLStreamException

Parameters:

xmlStream -

Returns:

Throws:

XMLStreamException

parseMultiLineString

public org.deegree.geometry.multi.MultiLineString parseMultiLineString(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream,
                                                                       org.deegree.cs.coordinatesystems.ICRS defaultCRS)
                                                                throws XMLStreamException

Parameters:

xmlStream -

defaultCRS -

Returns:

Throws:

XMLStreamException

parseMultiPoint

public org.deegree.geometry.multi.MultiPoint parseMultiPoint(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream)
                                                      throws XMLStreamException

Parameters:

xmlStream -

Returns:

Throws:

XMLStreamException

parseMultiPoint

public org.deegree.geometry.multi.MultiPoint parseMultiPoint(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream,
                                                             org.deegree.cs.coordinatesystems.ICRS defaultCRS)
                                                      throws XMLStreamException

Parameters:

xmlStream -

defaultCRS -

Returns:

Throws:

XMLStreamException

parseMultiGeometry

public org.deegree.geometry.multi.MultiGeometry<org.deegree.geometry.Geometry> parseMultiGeometry(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream)
                                                                                           throws XMLStreamException

Parameters:

xmlStream -

Returns:

Throws:

XMLStreamException

parseMultiGeometry

public org.deegree.geometry.multi.MultiGeometry<org.deegree.geometry.Geometry> parseMultiGeometry(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream,
                                                                                                  org.deegree.cs.coordinatesystems.ICRS defaultCRS)
                                                                                           throws XMLStreamException

Parameters:

xmlStream -

defaultCRS -

Returns:

Throws:

XMLStreamException

parseEnvelope

public org.deegree.geometry.Envelope parseEnvelope(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream)
                                            throws XMLStreamException

Parameters:

xmlStream -

Returns:

Throws:

XMLStreamException

parseEnvelope

public org.deegree.geometry.Envelope parseEnvelope(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream,
                                                   org.deegree.cs.coordinatesystems.ICRS defaultCRS)
                                            throws XMLStreamException

Specified by:

parseEnvelope in interface GMLGeometryReader

Parameters:

xmlStream -

defaultCRS -

Returns:

Throws:

XMLStreamException

parseLineString

public org.deegree.geometry.primitive.LineString parseLineString(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream)
                                                          throws XMLStreamException

Parameters:

xmlStream -

Returns:

Throws:

XMLStreamException

parseLineString

public org.deegree.geometry.primitive.LineString parseLineString(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream,
                                                                 org.deegree.cs.coordinatesystems.ICRS defaultCRS)
                                                          throws XMLStreamException

Parameters:

xmlStream -

defaultCRS -

Returns:

Throws:

XMLStreamException

parsePolygon

public org.deegree.geometry.primitive.Polygon parsePolygon(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream)
                                                    throws XMLStreamException

Parameters:

xmlStream -

Returns:

Throws:

XMLStreamException

parsePolygon

public org.deegree.geometry.primitive.Polygon parsePolygon(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream,
                                                           org.deegree.cs.coordinatesystems.ICRS defaultCRS)
                                                    throws XMLStreamException

Parameters:

xmlStream -

defaultCRS -

Returns:

Throws:

XMLStreamException

parseLinearRing

public org.deegree.geometry.primitive.Ring parseLinearRing(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream)
                                                    throws XMLStreamException

Parameters:

xmlStream -

Returns:

Throws:

XMLStreamException

parseLinearRing

public org.deegree.geometry.primitive.Ring parseLinearRing(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream,
                                                           org.deegree.cs.coordinatesystems.ICRS defaultCRS)
                                                    throws XMLStreamException

Parameters:

xmlStream -

defaultCRS -

Returns:

Throws:

XMLStreamException

parsePoint

public org.deegree.geometry.primitive.Point parsePoint(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream)
                                                throws XMLStreamException

Parameters:

xmlStream -

Returns:

Throws:

XMLStreamException

parsePoint

public org.deegree.geometry.primitive.Point parsePoint(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream,
                                                       org.deegree.cs.coordinatesystems.ICRS defaultCRS)
                                                throws XMLStreamException

Parameters:

xmlStream -

defaultCRS -

Returns:

Throws:

XMLStreamException

parseCoordType

protected double[] parseCoordType(org.deegree.commons.xml.stax.XMLStreamReaderWrapper xmlStream)
                           throws XMLStreamException

Parameters:

xmlStream -

Returns:

Throws:

XMLStreamException