/* * 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); } }