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

There is a newer version: 2024.1.0

/*
 * 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
 *
 * (C) 2005 Markus Schaber, [email protected]
 *
 * (C) 2015 Phillip Ross, [email protected]
 */

package org.postgis;


import org.postgis.binary.BinaryWriter;

import java.sql.SQLException;


/**
 * A PostgreSQL JDBC PGobject extension data type modeling the geography type.
 *
 * The hex-encoded EWKB format is used to communicate with the backend, which is much more efficient,
 * but only works with Lwgeom enabled PostGIS (1.0.0 and up).
 *
 * @author Phillip Ross
 */
public class PGgeographyLW extends PGgeography {

    private static final long serialVersionUID = 7717856818804158022L;

    /** The binary writer to be used for serializing geometry to a PGobject value. */
    BinaryWriter bw = new BinaryWriter();


    /** Instantiate with default state. */
    public PGgeographyLW() {
        super();
    }

    /**
     * Instantiate with the specified state.
     *
     * @param geometry the geometry to instantiate with
     */
    public PGgeographyLW(final Geometry geometry) {
        super(geometry);
    }


    /**
     * Instantiate with the specified state.
     *
     * @param value the value to instantiate with
     */
    public PGgeographyLW(final String value) throws SQLException {
        super(value);
    }


    /** {@inheritDoc} */
    @Override
    public String getValue() {
        return bw.writeHexed(geometry);
    }


    /** {@inheritDoc} */
    @Override
    public Object clone() {
        return new PGgeographyLW(geometry);
    }


}