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: 22821 $, $Date: 2010-03-03 17:34:11 +0100 (Mi, 03 Mrz 2010) $

Author:

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

Constructor Summary

GML2GeometryReader()

GML2GeometryReader(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)
Geometry	parse(XMLStreamReaderWrapper xmlStream)
Geometry	parse(XMLStreamReaderWrapper xmlStream, CRS defaultCRS)
protected double[]	parseCoordType(XMLStreamReaderWrapper xmlStream)
Envelope	parseEnvelope(XMLStreamReaderWrapper xmlStream)
Envelope	parseEnvelope(XMLStreamReaderWrapper xmlStream, CRS defaultCRS)
Geometry	parseGeometryOrBox(XMLStreamReaderWrapper xmlStream) Parse the current geometry or bbox, the given stream is pointing to.
Geometry	parseGeometryOrBox(XMLStreamReaderWrapper xmlStream, CRS defaultCRS)
Geometry	parseGeometryOrEnvelope(XMLStreamReaderWrapper xmlStream) Parse the current geometry or bbox, the given stream is pointing to.
Geometry	parseGeometryOrEnvelope(XMLStreamReaderWrapper xmlStream, CRS defaultCRS) Parse the current geometry or envelope the given stream is pointing to.
Ring	parseLinearRing(XMLStreamReaderWrapper xmlStream)
Ring	parseLinearRing(XMLStreamReaderWrapper xmlStream, CRS defaultCRS)
LineString	parseLineString(XMLStreamReaderWrapper xmlStream)
LineString	parseLineString(XMLStreamReaderWrapper xmlStream, CRS defaultCRS)
MultiGeometry<Geometry>	parseMultiGeometry(XMLStreamReaderWrapper xmlStream)
MultiGeometry<Geometry>	parseMultiGeometry(XMLStreamReaderWrapper xmlStream, CRS defaultCRS)
MultiLineString	parseMultiLineString(XMLStreamReaderWrapper xmlStream)
MultiLineString	parseMultiLineString(XMLStreamReaderWrapper xmlStream, CRS defaultCRS)
MultiPoint	parseMultiPoint(XMLStreamReaderWrapper xmlStream)
MultiPoint	parseMultiPoint(XMLStreamReaderWrapper xmlStream, CRS defaultCRS)
MultiPolygon	parseMultiPolygon(XMLStreamReaderWrapper xmlStream)
MultiPolygon	parseMultiPolygon(XMLStreamReaderWrapper xmlStream, CRS defaultCRS)
Point	parsePoint(XMLStreamReaderWrapper xmlStream)
Point	parsePoint(XMLStreamReaderWrapper xmlStream, CRS defaultCRS)
Polygon	parsePolygon(XMLStreamReaderWrapper xmlStream)
Polygon	parsePolygon(XMLStreamReaderWrapper xmlStream, CRS 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(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 Geometry parse(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 Geometry parse(XMLStreamReaderWrapper xmlStream,
                      CRS defaultCRS)
               throws XMLStreamException

Specified by:

parse in interface GMLGeometryReader

Parameters:

xmlStream -

defaultCRS -

Returns:

Throws:

XMLStreamException

parseGeometryOrEnvelope

public Geometry parseGeometryOrEnvelope(XMLStreamReaderWrapper xmlStream)
                                 throws XMLParsingException,
                                        XMLStreamException,
                                        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:

XMLParsingException

XMLStreamException

UnknownCRSException

parseGeometryOrBox

public Geometry parseGeometryOrBox(XMLStreamReaderWrapper xmlStream)
                            throws XMLParsingException,
                                   XMLStreamException,
                                   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:

XMLParsingException

XMLStreamException

UnknownCRSException

parseGeometryOrBox

public Geometry parseGeometryOrBox(XMLStreamReaderWrapper xmlStream,
                                   CRS defaultCRS)
                            throws XMLParsingException,
                                   XMLStreamException,
                                   UnknownCRSException

Parameters:

xmlStream -

defaultCRS -

Returns:

Throws:

XMLParsingException

XMLStreamException

UnknownCRSException

parseGeometryOrEnvelope

public Geometry parseGeometryOrEnvelope(XMLStreamReaderWrapper xmlStream,
                                        CRS defaultCRS)
                                 throws XMLParsingException,
                                        XMLStreamException,
                                        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:

XMLParsingException

XMLStreamException

UnknownCRSException

parseMultiPolygon

public MultiPolygon parseMultiPolygon(XMLStreamReaderWrapper xmlStream)
                               throws XMLStreamException

Parameters:

xmlStream -

Returns:

Throws:

XMLStreamException

parseMultiPolygon

public MultiPolygon parseMultiPolygon(XMLStreamReaderWrapper xmlStream,
                                      CRS defaultCRS)
                               throws XMLStreamException

Parameters:

xmlStream -

defaultCRS -

Returns:

Throws:

XMLStreamException

parseMultiLineString

public MultiLineString parseMultiLineString(XMLStreamReaderWrapper xmlStream)
                                     throws XMLStreamException

Parameters:

xmlStream -

Returns:

Throws:

XMLStreamException

parseMultiLineString

public MultiLineString parseMultiLineString(XMLStreamReaderWrapper xmlStream,
                                            CRS defaultCRS)
                                     throws XMLStreamException

Parameters:

xmlStream -

defaultCRS -

Returns:

Throws:

XMLStreamException

parseMultiPoint

public MultiPoint parseMultiPoint(XMLStreamReaderWrapper xmlStream)
                           throws XMLStreamException

Parameters:

xmlStream -

Returns:

Throws:

XMLStreamException

parseMultiPoint

public MultiPoint parseMultiPoint(XMLStreamReaderWrapper xmlStream,
                                  CRS defaultCRS)
                           throws XMLStreamException

Parameters:

xmlStream -

defaultCRS -

Returns:

Throws:

XMLStreamException

parseMultiGeometry

public MultiGeometry<Geometry> parseMultiGeometry(XMLStreamReaderWrapper xmlStream)
                                           throws XMLStreamException

Parameters:

xmlStream -

Returns:

Throws:

XMLStreamException

parseMultiGeometry

public MultiGeometry<Geometry> parseMultiGeometry(XMLStreamReaderWrapper xmlStream,
                                                  CRS defaultCRS)
                                           throws XMLStreamException

Parameters:

xmlStream -

defaultCRS -

Returns:

Throws:

XMLStreamException

parseEnvelope

public Envelope parseEnvelope(XMLStreamReaderWrapper xmlStream)
                       throws XMLStreamException

Parameters:

xmlStream -

Returns:

Throws:

XMLStreamException

parseEnvelope

public Envelope parseEnvelope(XMLStreamReaderWrapper xmlStream,
                              CRS defaultCRS)
                       throws XMLStreamException

Specified by:

parseEnvelope in interface GMLGeometryReader

Parameters:

xmlStream -

defaultCRS -

Returns:

Throws:

XMLStreamException

parseLineString

public LineString parseLineString(XMLStreamReaderWrapper xmlStream)
                           throws XMLStreamException

Parameters:

xmlStream -

Returns:

Throws:

XMLStreamException

parseLineString

public LineString parseLineString(XMLStreamReaderWrapper xmlStream,
                                  CRS defaultCRS)
                           throws XMLStreamException

Parameters:

xmlStream -

defaultCRS -

Returns:

Throws:

XMLStreamException

parsePolygon

public Polygon parsePolygon(XMLStreamReaderWrapper xmlStream)
                     throws XMLStreamException

Parameters:

xmlStream -

Returns:

Throws:

XMLStreamException

parsePolygon

public Polygon parsePolygon(XMLStreamReaderWrapper xmlStream,
                            CRS defaultCRS)
                     throws XMLStreamException

Parameters:

xmlStream -

defaultCRS -

Returns:

Throws:

XMLStreamException

parseLinearRing

public Ring parseLinearRing(XMLStreamReaderWrapper xmlStream)
                     throws XMLStreamException

Parameters:

xmlStream -

Returns:

Throws:

XMLStreamException

parseLinearRing

public Ring parseLinearRing(XMLStreamReaderWrapper xmlStream,
                            CRS defaultCRS)
                     throws XMLStreamException

Parameters:

xmlStream -

defaultCRS -

Returns:

Throws:

XMLStreamException

parsePoint

public Point parsePoint(XMLStreamReaderWrapper xmlStream)
                 throws XMLStreamException

Parameters:

xmlStream -

Returns:

Throws:

XMLStreamException

parsePoint

public Point parsePoint(XMLStreamReaderWrapper xmlStream,
                        CRS defaultCRS)
                 throws XMLStreamException

Parameters:

xmlStream -

defaultCRS -

Returns:

Throws:

XMLStreamException

parseCoordType

protected double[] parseCoordType(XMLStreamReaderWrapper xmlStream)
                           throws XMLStreamException

Parameters:

xmlStream -

Returns:

Throws:

XMLStreamException