com.vividsolutions.jts.geom.util
Class GeometryExtracter

java.lang.Object
  com.vividsolutions.jts.geom.util.GeometryExtracter

All Implemented Interfaces:

GeometryFilter

public class GeometryExtracter
extends java.lang.Object
implements GeometryFilter

Extracts the components of a given type from a Geometry.

Version:

1.7

Constructor Summary

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

Method Summary

static java.util.List	extract(Geometry geom, java.lang.Class clz) Extracts the components of type clz from a Geometry and returns them in a List.
static java.util.List	extract(Geometry geom, java.lang.Class clz, java.util.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(java.lang.Object o, java.lang.Class clz)

Methods inherited from class java.lang.Object

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

Constructor Detail

GeometryExtracter

public GeometryExtracter(java.lang.Class clz,
                         java.util.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 Detail

isOfClass

protected static boolean isOfClass(java.lang.Object o,
                                   java.lang.Class clz)

extract

public static java.util.List extract(Geometry geom,
                                     java.lang.Class clz,
                                     java.util.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 java.util.List extract(Geometry geom,
                                     java.lang.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.