Package org.locationtech.jts.geom.util

Class GeometryExtracter

java.lang.Object

org.locationtech.jts.geom.util.GeometryExtracter

All Implemented Interfaces:

GeometryFilter

public class GeometryExtracter
extends Object
implements GeometryFilter

Extracts the components of a given type from a Geometry.

Version:

1.7

Field Summary

Fields

Modifier and Type	Field	Description
private Class	clz
private List	comps

Constructor Summary

Constructors

Constructor	Description
GeometryExtracter(Class clz, List comps)	Constructs a filter with a list in which to store the elements found.

Method Summary

Modifier and Type	Method	Description
static List	extract(Geometry geom, Class clz)	Extracts the components of type clz from a Geometry and returns them in a List.
static List	extract(Geometry geom, Class clz, List list)	Extracts the components of type clz from a Geometry and adds them to the provided List.
void	filter(Geometry geom)	Performs an operation with or on geom.
protected static boolean	isOfClass(Object o, Class clz)

Methods inherited from class java.lang.Object

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

Field Details

clz

private Class clz

comps

private List comps

Constructor Details

GeometryExtracter

public GeometryExtracter(Class clz,
 List comps)

Constructs a filter with a list in which to store the elements found.

Parameters:

clz - the class of the components to extract (null means all types)

comps - the list to extract into

Method Details

isOfClass

protected static boolean isOfClass(Object o,
 Class clz)

extract

public static List extract(Geometry geom,
 Class clz,
 List list)

Extracts the components of type clz from a Geometry and adds them to the provided List.

Parameters:

geom - the geometry from which to extract

list - the list to add the extracted elements to

extract

public static List extract(Geometry geom,
 Class clz)

Extracts the components of type clz from a Geometry and returns them in a List.

Parameters:

geom - the geometry from which to extract

filter

public void filter(Geometry geom)

Description copied from interface: GeometryFilter

Performs an operation with or on geom.

Specified by:

filter in interface GeometryFilter

Parameters:

geom - a Geometry to which the filter is applied.