com.vividsolutions.jts.geom.prep.PreparedGeometryFactory Maven / Gradle / Ivy
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/*
* The JTS Topology Suite is a collection of Java classes that
* implement the fundamental operations required to validate a given
* geo-spatial data set to a known topological specification.
*
* Copyright (C) 2001 Vivid Solutions
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* For more information, contact:
*
* Vivid Solutions
* Suite #1A
* 2328 Government Street
* Victoria BC V8T 5G5
* Canada
*
* (250)385-6040
* www.vividsolutions.com
*/
package com.vividsolutions.jts.geom.prep;
import com.vividsolutions.jts.geom.*;
/**
* A factory for creating {@link PreparedGeometry}s.
* It chooses an appropriate implementation of PreparedGeometry
* based on the geoemtric type of the input geometry.
*
* In the future, the factory may accept hints that indicate
* special optimizations which can be performed.
*
*
* @author Martin Davis
*
*/
public class PreparedGeometryFactory
{
/**
* Creates a new {@link PreparedGeometry} appropriate for the argument {@link Geometry}.
*
* @param geom the geometry to prepare
* @return the prepared geometry
*/
public static PreparedGeometry prepare(Geometry geom)
{
return (new PreparedGeometryFactory()).create(geom);
}
public PreparedGeometryFactory() {
}
/**
* Creates a new {@link PreparedGeometry} appropriate for the argument {@link Geometry}.
*
* @param geom the geometry to prepare
* @return the prepared geometry
*/
public PreparedGeometry create(Geometry geom)
{
if (geom instanceof Polygonal)
return new PreparedPolygon((Polygonal) geom);
if (geom instanceof Lineal)
return new PreparedLineString((Lineal) geom);
if (geom instanceof Puntal)
return new PreparedPoint((Puntal) geom);
/**
* Default representation.
*/
return new BasicPreparedGeometry(geom);
}
}