| gvSIG desktop 1

/**********************************************************************

 * $Id: OGRSFDriver.java 7847 2006-10-04 06:55:46Z nacho $

 *

 * Name:     OGRSFDriver.java

 * Project:  JGDAL. Interface java to gdal (Frank Warmerdam).

 * Purpose:   

 * Author:   Nacho Brodin, brodin_ign@gva.es

 *

 **********************************************************************/

/*Copyright (C) 2004  Nacho Brodin <brodin_ign@gva.es>

 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.

 */

package es.gva.cit.jogr;

/** 

 * 

 * @author Nacho Brodin <brodin_ign@gva.es>.<BR> Equipo de desarrollo gvSIG.<BR> http://www.gvsig.gva.es

 * @version 0.0

 * @link http://www.gvsig.gva.es

 */

public class OGRSFDriver extends JNIBase{

        public native String getNameNat(long cPtr);

        private native long openNat( long cPtr, String pszName, boolean bUpdate );

        private native int testCapabilityNat( long cPtr,String cap );

        private native long createDataSourceNat( long cPtr, String pszName);                                             

    private native int deleteDataSourceNat( long cPtr,String pszName );//Excepciones

    private native long copyDataSourceNat( long cPtr, 

                                                                                            long poSrcDS,

                                                                                                String pszNewName,

                                                                                                String[] papszOptions);

        public OGRSFDriver(long cPtr){

                this.cPtr=cPtr;

        }

        /**

         * Obtiene el nombre del driver

         * @throws OGRException

         * @return Nombre del driver

         */

        public String getName()throws OGRException{

                if(cPtr <= 0)

                        throw new OGRException("Error en getName(). El constructor ha fallado.");

                String name = getNameNat(cPtr);

                if(name==null)

                        throw new OGRException("Error en getName(). No se ha podido obtener el nombre del driver.");

                return name;

        }

        /**

         * 

         */

        public OGRDataSource open( String pszName, boolean bUpdate )throws OGRException{

                if(cPtr <= 0)

                        throw new OGRException("Error en open(). El constructor ha fallado.");

                long ptr_ds = openNat(cPtr, pszName, bUpdate);

                if(ptr_ds<=0)

                        throw new OGRException("Error en open(). No se ha podido obtener un dataset valido.");

                return new OGRDataSource(ptr_ds);

        }

        /**

         * @param capability        Capacidad del driver a testear

         * <UL>

         *   <LI>"RandomRead"</LI>

     *         <LI>"SequentialWrite"</LI>

     *   <LI>"RandomWrite"</LI>

     *   <LI>"FastSpatialFilter"</LI>

     *   <LI>"FastFeatureCount"</LI>

     *   <LI>"FastGetExtent"</LI>

     *   <LI>"CreateField"</LI>

     *   <LI>"Transactions"</LI>

     *   <LI>"DeleteFeature"</LI>

     *   <LI>"CreateLayer"</LI>

     *   <LI>"DeleteLayer"</LI>

     *   <LI>"CreateDataSource"</LI>

     *   <LI>"DeleteDataSource"</LI>

     * </UL>

         */

        public boolean testCapability( String capability )throws OGRException{

                if(cPtr <= 0)

                        throw new OGRException("Error en testCapability(). El constructor ha fallado.");

                if(capability==null || capability.equals(""))

                        throw new OGRException("Error en testCapability(). El par?metro pasado a la funci?n no es valido.");

                int res=-1;

                res = testCapabilityNat(cPtr, capability);

                if(res<0)

                        throw new OGRException("Error en testCapability(). No se ha podido obtener un valor de retorno valido.");

                if(res>=1)return true;

                return false;

        }

        /**

         * 

         */

        public OGRDataSource createDataSource( String pszName )throws OGRException{ 

                if(cPtr <= 0 )

                        throw new OGRException("Error en createDataSource(). El constructor ha fallado.");

                if(pszName==null || pszName.equals(""))

                        throw new OGRException("Error en createDataSource(). El par?metro pasado a la funci?n no es valido.");

                long ptr_ds = createDataSourceNat(cPtr, pszName);

                if(ptr_ds<=0)

                        throw new OGRException("Error en createDataSource(). No se ha podido obtener un dataset valido.");

                return new OGRDataSource(ptr_ds);

        }

        /**

         * 

         */

    public void deleteDataSource( String pszName )throws OGRException{//Excepciones

            if(cPtr <= 0)

                        throw new OGRException("Error en deleteDataSource(). El constructor ha fallado.");

            if(pszName==null || pszName.equals(""))

                        throw new OGRException("Error en deleteDataSource(). El par?metro pasado a la funci?n no es valido.");

            int ogrerr = deleteDataSourceNat(cPtr, pszName);   

            lanzarExcepcion(ogrerr, "Error en deleteDataSource().");

    }

        /**

         * 

         */

    public OGRDataSource copyDataSource( OGRDataSource poSrcDS,

                                                   String pszNewName,

                                                   String[] papszOptions)throws OGRException{

            if(cPtr <= 0)

                        throw new OGRException("Error en copyDataSource(). El constructor ha fallado.");

            if(poSrcDS==null || pszNewName==null || pszNewName.equals(""))

                        throw new OGRException("Error en deleteDataSource().Alg?n par?metro pasado a la funci?n no es valido.");

            long ptr_ds = copyDataSourceNat(cPtr, poSrcDS.getPtro(), pszNewName, papszOptions);

                if(ptr_ds<=0)

                        throw new OGRException("Error en copyDataSource(). No se ha podido obtener un dataset valido.");

                return new OGRDataSource(ptr_ds);

    }

}