Application: gvSIG desktop

/*

 * Created on 13-oct-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.core;

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

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

/**

 * @author fjp

 * If a driver can reproject, it must implement this

 * interface.

 */

public interface ICanReproject {

    /**

     * @param conn TODO

     * @param lyrDef

     * @return a EPSG string defining the original projection.

     * It means that the original data are in this proj.

     */

    String getSourceProjection(IConnection conn, DBLayerDefinition lyrDef);

    /**

     * @return a EPSG string. You set this variable with setDestProjection(String epsg)

     */

    String getDestProjection();

    /**

     * Set this variable to tell the driver in which projection

     * do you want your data. If the driver can reproject to this

     * new EPSG, it will return true in canReproject.

     * NOTE: use String strEPSG = mapCtrl.getViewPort()

                            .getProjection().getAbrev()

                            .substring(5);

     * Otherwise, it will return false.

     * @param toEPSG

     */

    void setDestProjection(String toEPSG);

    /**

     * @return true if the driver will be able to deliver the

     * entities in the destiny projection. False otherwise.

     */

    boolean canReproject(String toEPSGdestinyProjection);

}