/*
* 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.jtsexample.geom;
import com.vividsolutions.jts.geom.*;
/**
* Creates ExtendedCoordinateSequenceFactory internally represented
* as an array of {@link ExtendedCoordinate}s.
*
* @version 1.7
*/
public class ExtendedCoordinateSequenceFactory
implements CoordinateSequenceFactory
{
private static ExtendedCoordinateSequenceFactory instance = new ExtendedCoordinateSequenceFactory();
private ExtendedCoordinateSequenceFactory() {
}
/**
* Returns the singleton instance of ExtendedCoordinateSequenceFactory
*/
public static ExtendedCoordinateSequenceFactory instance() {
return instance;
}
/**
* Returns an ExtendedCoordinateSequence based on the given array -- the array is used
* directly if it is an instance of ExtendedCoordinate[]; otherwise it is
* copied.
*/
public CoordinateSequence create(Coordinate[] coordinates) {
return coordinates instanceof ExtendedCoordinate[]
? new ExtendedCoordinateSequence((ExtendedCoordinate[]) coordinates)
: new ExtendedCoordinateSequence(coordinates);
}
public CoordinateSequence create(CoordinateSequence coordSeq) {
return coordSeq instanceof ExtendedCoordinateSequence
? new ExtendedCoordinateSequence((ExtendedCoordinateSequence) coordSeq)
: new ExtendedCoordinateSequence(coordSeq);
}
/**
* @see com.vividsolutions.jts.geom.CoordinateSequenceFactory#create(int, int)
*/
public CoordinateSequence create(int size, int dimension) {
return new ExtendedCoordinateSequence(size);
}
}