| gvSIG desktop 1

/*

 * Created on 11-mar-2005

 *

 * gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 * 

 * Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.

 * 

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 2

 * of the License, or (at your option) any later version.

 *  

 * This program 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 General Public License for more details.

 * 

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

 *  

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 * 

 *    or

 * 

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 * 

 *   +34 963163400

 *   dac@iver.es

 */

package com.iver.cit.gvsig.fmap.drivers.jdbc.postgis;

import java.sql.ResultSet;

import java.sql.SQLException;

import java.sql.Statement;

import com.iver.cit.gvsig.fmap.core.IGeometry;

import com.iver.cit.gvsig.fmap.drivers.WKBParser;

import com.iver.cit.gvsig.fmap.drivers.jdbc.GeometryIterator;

import com.vividsolutions.jts.io.ParseException;

/**

 * @author FJP

 *

 * TODO To change the template for this generated type comment go to

 * Window - Preferences - Java - Code Generation - Code and Comments

 */

public class PostGisGeometryIterator implements GeometryIterator {

    private WKBParser parser = new WKBParser();

    ResultSet rs;

    Statement st;

    String strAux;

    IGeometry geom;

    /**

     * @throws SQLException

     * 

     */

    public PostGisGeometryIterator(ResultSet rs) {

        // Debe ser forward only

        this.rs = rs;

    }

    /* (non-Javadoc)

     * @see com.iver.cit.gvsig.fmap.drivers.jdbc.GeometryIterator#hasNext()

     */

    public boolean hasNext() throws SQLException {

        try

        {

                if (rs.isAfterLast())

                {            

                    rs.close();

                    return false;

                }

                else

                    return true;

        }

        catch (Exception e)

        {

            e.printStackTrace();

        }

        return false;

    }

    /* (non-Javadoc)

     * @see com.iver.cit.gvsig.fmap.drivers.jdbc.GeometryIterator#next()

     */

    public IGeometry next() throws SQLException {

        rs.next();

        byte[] data = rs.getBytes(1);                

        geom = parser.parse(data);

        return geom;

    }

}