Application: gvSIG desktop » gvSIG raster

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

 * $Id: OGRFeatureDefn.java 7765 2006-10-03 07:05:18Z nacho $

 *

 * Name:     OGRFeatureDefn.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 org.gvsig.jogr;

import org.gdal.ogr.FeatureDefn;

import org.gdal.ogr.FieldDefn;

/** 

 * 

 * @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 OGRFeatureDefn extends FeatureDefn{

//        private native String getNameNat(long cPtr);

//        private native int getGeomTypeNat(long cPtr);

//        private native void FreeOGRFeatureDefnNat(long cPtr);

//        private native long getFieldDefnNat(long cPtr, int i);

//        

//        private native int getFieldIndexNat( long cPtr, String indice );

//        private native void addFieldDefnNat( long cPtr, long fd );

//        private native void setGeomTypeNat( long cPtr, String gtype ); //OGRwkbGeometryType OGRFeatureDefn

//        private native long cloneFeatureDefnNat(long cPtr );

        private native static long createFeatureDefnNat( String pszName);

//        private native static void destroyFeatureDefnNat( long fd );

        /**

         * Constructor

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

         */

        public OGRFeatureDefn(long cPtr){

                super(cPtr, true);

        }

        /**

         * Obtiene el nombre de la feature

         * @throws OGRException

         * @return Nombre de la feature

         */

        public String getName()throws OGRException{

//                if(cPtr == 0)

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

                String name = this.GetName();

                if(name==null)

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

                return name;

        }

        /**

         * Obtiene el tipo de geometria

         * @throws OGRException

         * @return Tipo de geometria 

         */

        public String getGeomType()throws OGRException{

//                if(cPtr == 0)

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

                int tipo = this.GetGeomType();

                if(tipo<0 || tipo>16)

                        throw new OGRException("Error en getGeomType(). No se ha podido obtener un tipo de geometria valido.");

                String tipogeom=null;

                switch(tipo){

                        case 0:tipogeom="wkbUnknown";break;                   /* non-standard */

                        case 1:tipogeom="wkbPoint"; break;              /* rest are standard WKB type codes */

                        case 2:tipogeom="wkbLineString";break;

                        case 3:tipogeom="wkbPolygon";break;

                        case 4:tipogeom="wkbMultiPoint";break;

                        case 5:tipogeom="wkbMultiLineString";break;

                        case 6:tipogeom="wkbMultiPolygon";break;

                        case 7:tipogeom="wkbGeometryCollection";break;

                        case 8:tipogeom="wkbNone";break;                           /* non-standard, for pure attribute records */

                        case 9:tipogeom="wkbLinearRing";break;                     /* non-standard, just for createGeometry() */

                        case 10:tipogeom="wkbPoint25D";break;                   /* 2.5D extensions as per 99-402 */

                        case 11:tipogeom="wkbLineString25D";break;

                        case 12:tipogeom="wkbPolygon25D";break;

                        case 13:tipogeom="wkbMultiPoint25D";break;

                        case 14:tipogeom="wkbMultiLineString25D";break;

                        case 15:tipogeom="wkbMultiPolygon25D";break;

                        case 16:tipogeom="wkbGeometryCollection25D";break;

                }

                return tipogeom;

        }

        /**

         * Obtiene el n?mero de campos

         * @throws OGRException

         * @return N?mero de campos

         */

        public int getFieldCount()throws OGRException{

                return this.GetFieldCount();

        }

        /**

         * Obtiene el campo referenciado por el ?ndice

         * @throws OGRException

         * @return Objeto que contiene el campo seleccionado

         */

        public OGRFieldDefn getFieldDefn(int i)throws OGRException{

//                if(cPtr == 0)

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

                FieldDefn f = this.GetFieldDefn(i);

                if(f == null || !(f instanceof OGRFieldDefn))

                        throw new OGRException("Error en getGeomType(). No se ha podido obtener un tipo de geometria valido.");

                OGRFieldDefn field = ((OGRFieldDefn)f);

                return field;

        }

        /**

         * Destructor 

         */

        protected void finalize(){

//                if(cPtr == 0)

//                        throw new OGRFailureException("Fallo al acceder al dato.");

//                

//                FreeOGRFeatureDefnNat(cPtr);

                this.delete();

        }

        /**

         * 

         */

        public int getFieldIndex( String field )throws OGRException{

//                if(cPtr == 0)

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

                if(field == null)

                        throw new OGRException("Error en getFieldIndex(). Par?metro invalido.");

                int index =  this.GetFieldIndex(field);

                if(index == 0)

                        throw new OGRException("Error en getFieldIndex(). No se ha podido obtener un ?ndice valido.");

                return index;

        }

        /**

         * 

         */

        public void addFieldDefn( OGRFieldDefn fd )throws OGRException{

//                if(cPtr == 0)

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

                if(fd == null)

                        throw new OGRException("Error en addFieldDefn(). La referencia del par?metro OGRFieldDefn no es valida.");

                this.AddFieldDefn(fd);

        }

        /**

         * 

         */

        public void setGeomType( String gtype )throws OGRException{ //OGRwkbGeometryType OGRFeatureDefn

//                if(cPtr == 0)

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

                this.SetGeomType(OGRTools.getTypeID(gtype));

        }

        /**

         * 

         */

        public OGRFeatureDefn cloneFeatureDefn()throws OGRException{

//                if(cPtr == 0)

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

                OGRFeatureDefn fd;

                try {

                        fd = (OGRFeatureDefn) this.clone();

                } catch (CloneNotSupportedException e) {

                        throw new OGRException(e.getMessage());

                }

                if(fd == null)

                        throw new OGRException("Error en cloneFeatureDefn(). No se ha podido obtener un valor de referencia valido para OGRFeatureDefn.");

                return fd;

        }

        /**

         * 

         */

//        public int reference()throws OGRException{//*

//                

//                String msg1="Error en reference(). El constructor no tuvo exito.";

//                String msg2="Error en reference().";

//                return baseSimpleFunctions(10,msg1,msg2);

//        }

        /**

         * 

         */

//        public int dereference()throws OGRException{//*

//

//                String msg1="Error en dereference(). El constructor no tuvo exito.";

//                String msg2="Error en dereference().";

//                return baseSimpleFunctions(11,msg1,msg2);

//        }

        /**

         * 

         */

        public int getReferenceCount()throws OGRException{

                return this.GetReferenceCount();

        }

        /**

         * 

         */

        public static OGRFeatureDefn createFeatureDefn( String pszName)throws OGRException{

                if(pszName == null)

                        throw new OGRException("Error en createFeatureDefn(). Par?metro invalido.");

                long ptr_fd = createFeatureDefnNat( pszName);

                if(ptr_fd == 0)

                        throw new OGRException("Error en cloneFeatureDefn(). No se ha podido obtener un valor de referencia valido para OGRFeatureDefn.");

                return new OGRFeatureDefn(ptr_fd);

        }

        /**

         * 

         */

        public static void destroyFeatureDefn( OGRFeatureDefn fd )throws OGRException{

                if(fd == null)

                        throw new OGRException("Error en destroyFeatureDefn(). Par?metro invalido.");

                fd.delete();

        }

}