org.locationtech.jts.geom.prep.PreparedGeometryFactory Maven / Gradle / Ivy
/*
* Copyright (c) 2016 Vivid Solutions.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* and Eclipse Distribution License v. 1.0 which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
*
* http://www.eclipse.org/org/documents/edl-v10.php.
*/
package org.locationtech.jts.geom.prep;
import org.locationtech.jts.geom.Geometry;
import org.locationtech.jts.geom.Lineal;
import org.locationtech.jts.geom.Polygonal;
import org.locationtech.jts.geom.Puntal;
/**
* A factory for creating {@link PreparedGeometry}s.
* It chooses an appropriate implementation of PreparedGeometry
* based on the geometric 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);
}
}