org.geotools.data.wfs.internal.parsers

Class XmlFeatureParser<FT extends FeatureType,F extends Feature>

Object

XmlFeatureParser<FT,F>

All Implemented Interfaces:

GetParser<F>

Direct Known Subclasses:

XmlComplexFeatureParser

public abstract class XmlFeatureParser<FT extends FeatureType,F extends Feature>
extends Object
implements GetParser<F>

Abstract form of XmlFeatureParser. Mostly taken out from @XmlSimpleFeatureParser.

Author:

Adam Brown (Curtin University of Technology)

Field Summary

Fields

Modifier and Type	Field and Description
protected XmlPullParser	parser
protected FT	targetType

Constructor Summary

Constructors

Constructor and Description
XmlFeatureParser(InputStream getFeatureResponseStream, FT targetType, QName featureDescriptorName)

Method Summary

Modifier and Type	Method and Description
void	close() Close the parser.
FT	getFeatureType() Get the feature type that the parser is targeting.
int	getNumberOfFeatures() Returns the number of features if advertised by the server and the parser was able to get that information for example from the wfs:FeatureCollection "numberOfFeatures" xml attribute, or -1 if unknown.
protected Object	parseAttributeValue(AttributeDescriptor attribute) Parses the value of the current attribute, parser cursor shall be on a feature attribute START_TAG event.
protected Geometry	parseGeom() Precondition: parser cursor positioned on a geometry property (eg, gml:Point, etc) Postcondition: parser gets positioned at the end tag of the element it started parsing the geometry at
protected String	seekFeature()
void	setGeometryFactory(GeometryFactory geometryFactory) Set the geometry factory.

Methods inherited from class Object

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

Methods inherited from interface GetParser

parse

Field Detail

targetType

protected FT extends FeatureType targetType

parser

protected XmlPullParser parser

Constructor Detail

XmlFeatureParser

public XmlFeatureParser(InputStream getFeatureResponseStream,
                        FT targetType,
                        QName featureDescriptorName)
                 throws IOException

Throws:

IOException

Method Detail

setGeometryFactory

public void setGeometryFactory(GeometryFactory geometryFactory)

Description copied from interface: GetParser

Set the geometry factory.

Specified by:

setGeometryFactory in interface GetParser<F extends Feature>

Parameters:

geometryFactory - The geometry factory to use.

getFeatureType

public FT getFeatureType()

Description copied from interface: GetParser

Get the feature type that the parser is targeting.

Specified by:

getFeatureType in interface GetParser<F extends Feature>

Returns:

The feature type that the parser is targeting.

getNumberOfFeatures

public int getNumberOfFeatures()

Description copied from interface: GetParser

Returns the number of features if advertised by the server and the parser was able to get that information for example from the wfs:FeatureCollection "numberOfFeatures" xml attribute, or -1 if unknown.

Specified by:

getNumberOfFeatures in interface GetParser<F extends Feature>

Returns:

number of features advertised by server, or -1 if unknown

close

public void close()
           throws IOException

Description copied from interface: GetParser

Close the parser.

Specified by:

close in interface GetParser<F extends Feature>

Throws:

IOException - Throws IOException if there was a problem closing the parser.

parseAttributeValue

protected Object parseAttributeValue(AttributeDescriptor attribute)
                              throws XmlPullParserException,
                                     IOException

Parses the value of the current attribute, parser cursor shall be on a feature attribute START_TAG event.

Returns:

Throws:

IOException

XmlPullParserException

FactoryException

NoSuchAuthorityCodeException

parseGeom

protected Geometry parseGeom()
                      throws NoSuchAuthorityCodeException,
                             FactoryException,
                             XmlPullParserException,
                             IOException

Precondition: parser cursor positioned on a geometry property (eg, gml:Point, etc)

Postcondition: parser gets positioned at the end tag of the element it started parsing the geometry at

Returns:

Throws:

FactoryException

NoSuchAuthorityCodeException

IOException

XmlPullParserException

seekFeature

protected String seekFeature()
                      throws IOException,
                             XmlPullParserException

Throws:

IOException

XmlPullParserException