org.geotools.filter

Class ExpressionDOMParser

Object

ExpressionDOMParser

public final class ExpressionDOMParser
extends Object

parses short sections of gml for use in expressions and filters. Hopefully we can get away without a full parser here.

Author:

iant, Niels Charlier

Constructor Summary

Constructors

Constructor and Description
ExpressionDOMParser() Constructor injection
ExpressionDOMParser(FilterFactory2 filterFactory)

Method Summary

Modifier and Type	Method and Description
List<Coordinate>	coords(Node root) Parses a dom node into a coordinate list.
Expression	expression(Node root) parses an expression for a filter.
Geometry	gml(Node root)
void	setFilterFactory(FilterFactory2 filterFactory) Setter injection

Methods inherited from class Object

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

Constructor Detail

ExpressionDOMParser

public ExpressionDOMParser(FilterFactory2 filterFactory)

Parameters:

filterFactory - The FilterFactory2 to create literals and expressions with.

Throws:

NullPointerException - in case of filterFactory is null.

ExpressionDOMParser

public ExpressionDOMParser()

Constructor injection

Method Detail

setFilterFactory

public void setFilterFactory(FilterFactory2 filterFactory)

Setter injection

Parameters:

filterFactory - The FilterFactory2 to create literals and expressions with.

Throws:

NullPointerException - in case of filterFactory is null.

expression

public Expression expression(Node root)

parses an expression for a filter.

Parameters:

root - the root node to parse, should be an filter expression.

Returns:

the geotools representation of the expression held in the node.

gml

public Geometry gml(Node root)

coords

public List<Coordinate> coords(Node root)

Parses a dom node into a coordinate list.

Parameters:

root - the root node representation of gml:coordinates.

Returns:

the coordinates in a list.