/* * LinearRing.java *  * PostGIS extension for PostgreSQL JDBC driver - geometry model *  * (C) 2004 Paul Ramsey, pramsey@refractions.net *  * (C) 2005 Markus Schaber, markus.schaber@logix-tt.com *  * 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. *  * 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 or visit the web at * http://www.gnu.org. *  * $Id: LinearRing.java 1622 2005-04-15 14:04:34Z mschaber $ */package org.postgis;import org.postgresql.util.PGtokenizer;import java.sql.SQLException;/** * This represents the LinearRing GIS datatype. This type is used to construct * the polygon types, but is not stored or retrieved directly from the database. */public class LinearRing extends PointComposedGeom {    /* JDK 1.5 Serialization */    private static final long serialVersionUID = 0x100;    public LinearRing(Point[] points) {        super(LINEARRING, points);    }    /**     * This is called to construct a LinearRing from the PostGIS string     * representation of a ring.     *      * @param value Definition of this ring in the PostGIS string format.     */    public LinearRing(String value) throws SQLException {        this(value, false);    }    /**     * @param value The text representation of this LinearRing     * @param haveM Hint whether we have a measure. This is given to us by other     *            "parent" Polygon, and is passed further to our parent.     */    protected LinearRing(String value, boolean haveM) throws SQLException {        super(LINEARRING);        PGtokenizer t = new PGtokenizer(PGtokenizer.removePara(value.trim()), ',');        int npoints = t.getSize();        Point[] points = new Point[npoints];        for (int p = 0; p < npoints; p++) {            points[p] = new Point(t.getToken(p), haveM);        }        this.dimension = points[0].dimension;        // fetch haveMeasure from subpoint because haveM does only work with        // 2d+M, not with 3d+M geometries        this.haveMeasure = points[0].haveMeasure;        this.subgeoms = points;    }}