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

 * $Id: LTIMetadataDatabase.java 3539 2006-01-09 12:23:20Z nacho $

 *

 * Name:     LTIMetadataDatabase.java

 * Project:  JMRSID. Interface java to mrsid (Lizardtech).

 * Purpose:   

 * Author:   Nacho Brodin, brodin_ign@gva.es

 *

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

/* 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 es.gva.cit.jmrsid;

/**

 * Almacena los metadatos asociados a la im?gen.

 * 

 * @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 LTIMetadataDatabase extends JNIBase{

        private native long getDataByIndexNat(long cPtr, int i);

        private native void FreeLTIMetadataDatabaseNat(long cPtr);

        public LTIMetadataDatabase(){}

        /**

         * Constructor

         * @param cPtr        direcci?n de memoria al objeto LTIMetadataDatabase de C. 

         */

        public LTIMetadataDatabase(long cPtr){

                super.cPtr=cPtr;

        }

        /**

         * Destructor 

         */

        protected void finalize(){

                if(cPtr != 0)

                        FreeLTIMetadataDatabaseNat(cPtr);

        }

        /**

         * Devuelve el n?mero de entradas.

         * @throws MrSIDException

         * @return n?mero de metadatos

         */

        public int getIndexCount()throws MrSIDException{

                String msg1="Error en getIndexCount. No se ha obtenido un puntero valido a LTIMetadataDatabase";

                String msg2="La llamada nativa a getIndexCount ha devuelto un c?digo de error";

                return baseSimpleFunction(0,msg1,msg2);

        }

        /**

         * Obtiene una entrada de metadatos a partir de su ?ndice.

         * @throws MrSIDException

         * @param i        ?ndice del metadato obtenido

         * @return objeto que contiene la entrada seleccionada

         */

        public LTIMetadataRecord getDataByIndex(int i)throws MrSIDException{

                if(cPtr == 0)

                         throw new MrSIDException("Error en getDataByIndex. La referencia al objeto no es valida.");

                LTIMetadataRecord metadata=new LTIMetadataRecord(getDataByIndexNat(cPtr,i));

                if(metadata==null)

                         throw new MrSIDException("Objeto LTIMetadataRecord nulo");

                return metadata;

        }

}