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PostGIS adds support for geographic objects to the PostgreSQL object-relational database.

There is a newer version: 2024.1.0

/*
 * PointComposedGeom.java
 * 
 * PostGIS extension for PostgreSQL JDBC driver - geometry model
 * 
 * (C) 2004 Paul Ramsey, [email protected]
 * 
 * (C) 2005 Markus Schaber, [email protected]
 * 
 * (C) 2015 Phillip Ross, [email protected]
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 * 
 */
package org.postgis;

import java.sql.SQLException;

/**
 * PointComposedGeom - base class for all composed geoms that contain only
 * points.
 * 
 * @author [email protected]
 * 
 */

public abstract class PointComposedGeom extends ComposedGeom {
    /* JDK 1.5 Serialization */
    private static final long serialVersionUID = 0x100;

    protected PointComposedGeom(int type) {
        super(type);
    }

    protected PointComposedGeom(int type, Point[] points) {
        super(type, points);
    }

    public PointComposedGeom(int type, String value) throws SQLException {
        this(type, value, false);
    }

    public PointComposedGeom(int type, String value, boolean haveM) throws SQLException {
        super(type, value, haveM);
    }

    protected Geometry createSubGeomInstance(String token, boolean haveM) throws SQLException {
        return new Point(token, haveM);
    }

    protected Geometry[] createSubGeomArray(int pointcount) {
        return new Point[pointcount];
    }

    protected void innerWKT(StringBuffer sb) {
        subgeoms[0].innerWKT(sb);
        for (int i = 1; i < subgeoms.length; i++) {
            sb.append(',');
            subgeoms[i].innerWKT(sb);
        }
    }

    /**
     * optimized version
     */
    public int numPoints() {
        return subgeoms.length;
    }

    /**
     * optimized version
     */
    public Point getPoint(int idx) {
        if (idx >= 0 & idx < subgeoms.length) {
            return (Point) subgeoms[idx];
        } else {
            return null;
        }
    }

    /**
     * Get the underlying Point array
     *
     * @return an array of Points within this geometry
     */
    public Point[] getPoints() {
        return (Point[]) subgeoms;
    }
}