root / trunk / libraries / libjni-gdal / src / es / gva / cit / jogr / OGRFeatureDefn.java @ 7765
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/**********************************************************************
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* $Id: OGRFeatureDefn.java 7765 2006-10-03 07:05:18Z nacho $
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*
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* Name: OGRFeatureDefn.java
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* Project: JGDAL. Interface java to gdal (Frank Warmerdam).
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* Purpose:
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* Author: Nacho Brodin, brodin_ign@gva.es
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*
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**********************************************************************/
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/*Copyright (C) 2004 Nacho Brodin <brodin_ign@gva.es>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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package es.gva.cit.jogr; |
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/**
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*
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* @author Nacho Brodin <brodin_ign@gva.es>.<BR> Equipo de desarrollo gvSIG.<BR> http://www.gvsig.gva.es
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* @version 0.0
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* @link http://www.gvsig.gva.es
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*/
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public class OGRFeatureDefn extends JNIBase{ |
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private native String getNameNat(long cPtr); |
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private native int getGeomTypeNat(long cPtr); |
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private native void FreeOGRFeatureDefnNat(long cPtr); |
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private native long getFieldDefnNat(long cPtr, int i); |
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private native int getFieldIndexNat( long cPtr, String indice ); |
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private native void addFieldDefnNat( long cPtr, long fd ); |
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private native void setGeomTypeNat( long cPtr, String gtype ); //OGRwkbGeometryType OGRFeatureDefn |
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private native long cloneFeatureDefnNat(long cPtr ); |
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private native static long createFeatureDefnNat( String pszName); |
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private native static void destroyFeatureDefnNat( long fd ); |
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/**
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* Constructor
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* @param cPtr direcci?n de memoria al objeto OGRFeatureDefn de C.
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*/
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public OGRFeatureDefn(long cPtr){ |
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this.cPtr=cPtr;
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} |
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/**
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* Obtiene el nombre de la feature
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* @throws OGRException
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* @return Nombre de la feature
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*/
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public String getName()throws OGRException{ |
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if(cPtr <= 0) |
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throw new OGRException("Error en getName(). El constructor ha fallado."); |
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String name = getNameNat(cPtr);
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if(name==null) |
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throw new OGRException("Error en getName(). No se ha podido obtener el nombre."); |
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return name;
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} |
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/**
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* Obtiene el tipo de geometria
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* @throws OGRException
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* @return Tipo de geometria
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*/
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public String getGeomType()throws OGRException{ |
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if(cPtr <= 0) |
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throw new OGRException("Error en getGeomType(). El constructor ha fallado."); |
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int tipo = getGeomTypeNat(cPtr);
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if(tipo<0 || tipo>16) |
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throw new OGRException("Error en getGeomType(). No se ha podido obtener un tipo de geometria valido."); |
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String tipogeom=null; |
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switch(tipo){
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case 0:tipogeom="wkbUnknown";break; /* non-standard */ |
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case 1:tipogeom="wkbPoint"; break; /* rest are standard WKB type codes */ |
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case 2:tipogeom="wkbLineString";break; |
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case 3:tipogeom="wkbPolygon";break; |
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case 4:tipogeom="wkbMultiPoint";break; |
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case 5:tipogeom="wkbMultiLineString";break; |
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case 6:tipogeom="wkbMultiPolygon";break; |
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case 7:tipogeom="wkbGeometryCollection";break; |
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case 8:tipogeom="wkbNone";break; /* non-standard, for pure attribute records */ |
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case 9:tipogeom="wkbLinearRing";break; /* non-standard, just for createGeometry() */ |
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case 10:tipogeom="wkbPoint25D";break; /* 2.5D extensions as per 99-402 */ |
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case 11:tipogeom="wkbLineString25D";break; |
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case 12:tipogeom="wkbPolygon25D";break; |
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case 13:tipogeom="wkbMultiPoint25D";break; |
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case 14:tipogeom="wkbMultiLineString25D";break; |
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case 15:tipogeom="wkbMultiPolygon25D";break; |
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case 16:tipogeom="wkbGeometryCollection25D";break; |
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} |
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return tipogeom;
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} |
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/**
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* Obtiene el n?mero de campos
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* @throws OGRException
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* @return N?mero de campos
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*/
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public int getFieldCount()throws OGRException{ |
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String msg1="Error en getFieldCount. El constructor ha fallado."; |
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String msg2="Error obteniendo el n?mero de campos"; |
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return baseSimpleFunctions(3,msg1,msg2); |
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} |
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/**
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* Obtiene el campo referenciado por el ?ndice
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* @throws OGRException
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* @return Objeto que contiene el campo seleccionado
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*/
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public OGRFieldDefn getFieldDefn(int i)throws OGRException{ |
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if(cPtr <= 0) |
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throw new OGRException("Error en getFieldDefn(). El constructor ha fallado."); |
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long id = getFieldDefnNat(cPtr,i);
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if(id<=0) |
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throw new OGRException("Error en getGeomType(). No se ha podido obtener un tipo de geometria valido."); |
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OGRFieldDefn field = new OGRFieldDefn(id);
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return field;
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} |
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/**
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* Destructor
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*/
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protected void finalize(){ |
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if(cPtr > 0) |
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FreeOGRFeatureDefnNat(cPtr); |
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} |
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/**
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*
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*/
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public int getFieldIndex( String field )throws OGRException{ |
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if(cPtr <= 0) |
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throw new OGRException("Error en getFieldIndex(). El constructor ha fallado."); |
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if(field==null) |
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throw new OGRException("Error en getFieldIndex(). Par?metro invalido."); |
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int index = getFieldIndexNat(cPtr, field);
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if(index<0) |
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throw new OGRException("Error en getFieldIndex(). No se ha podido obtener un ?ndice valido."); |
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return index;
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} |
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/**
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*
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*/
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public void addFieldDefn( OGRFieldDefn fd )throws OGRException{ |
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if(cPtr <= 0) |
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throw new OGRException("Error en addFieldDefn(). El constructor ha fallado."); |
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if(fd==null || fd.getPtro() <= 0) |
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throw new OGRException("Error en addFieldDefn(). La referencia del par?metro OGRFieldDefn no es valida."); |
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addFieldDefnNat(cPtr, fd.getPtro()); |
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} |
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/**
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*
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*/
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public void setGeomType( String gtype )throws OGRException{ //OGRwkbGeometryType OGRFeatureDefn |
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if(cPtr <= 0) |
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throw new OGRException("Error en setGeomType(). El constructor ha fallado."); |
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boolean ok=false; |
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if(gtype!=null && (gtype.equals("wkbUnknown") || |
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gtype.equals("wkbPoint") ||
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gtype.equals("wkbLineString") ||
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gtype.equals("wkbPolygon") ||
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gtype.equals("wkbMultiPoint") ||
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gtype.equals("wkbMultiLineString") ||
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gtype.equals("wkbMultiPolygon") ||
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gtype.equals("wkbGeometryCollection") ||
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gtype.equals("wkbNone") ||
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gtype.equals("wkbLinearRing") ||
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gtype.equals("wkbPoint25D") ||
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gtype.equals("wkbLineString25D") ||
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gtype.equals("wkbPolygon25D") ||
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gtype.equals("wkbMultiPoint25D") ||
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gtype.equals("wkbMultiLineString25D") ||
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gtype.equals("wkbMultiPolygon25D") ||
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gtype.equals("wkbGeometryCollection25D")))ok=true; |
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if(!ok)
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throw new OGRException("Error en setGeomType(). Par?metro invalido"); |
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setGeomTypeNat(cPtr, gtype); |
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} |
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/**
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*
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*/
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public OGRFeatureDefn cloneFeatureDefn()throws OGRException{ |
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if(cPtr <= 0) |
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throw new OGRException("Error en cloneFeatureDefn(). El constructor ha fallado."); |
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long ptr_fd = cloneFeatureDefnNat(cPtr);
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if(ptr_fd<=0) |
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throw new OGRException("Error en cloneFeatureDefn(). No se ha podido obtener un valor de referencia valido para OGRFeatureDefn."); |
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return new OGRFeatureDefn(ptr_fd); |
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} |
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/**
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*
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*/
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public int reference()throws OGRException{//* |
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String msg1="Error en reference(). El constructor no tuvo exito."; |
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String msg2="Error en reference()."; |
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return baseSimpleFunctions(10,msg1,msg2); |
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} |
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/**
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*
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*/
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public int dereference()throws OGRException{//* |
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String msg1="Error en dereference(). El constructor no tuvo exito."; |
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String msg2="Error en dereference()."; |
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return baseSimpleFunctions(11,msg1,msg2); |
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} |
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/**
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*
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*/
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public int getReferenceCount()throws OGRException{ |
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String msg1="Error en getReferenceCount(). El constructor no tuvo exito."; |
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String msg2="Error en getReferenceCount(). No se ha obtenido un n?mero de referencias valido."; |
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return baseSimpleFunctions(12,msg1,msg2); |
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} |
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/**
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*
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*/
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public static OGRFeatureDefn createFeatureDefn( String pszName)throws OGRException{ |
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if(pszName == null) |
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throw new OGRException("Error en createFeatureDefn(). Par?metro invalido."); |
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long ptr_fd = createFeatureDefnNat( pszName);
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if(ptr_fd<=0) |
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throw new OGRException("Error en cloneFeatureDefn(). No se ha podido obtener un valor de referencia valido para OGRFeatureDefn."); |
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return new OGRFeatureDefn(ptr_fd); |
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} |
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/**
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*
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*/
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public static void destroyFeatureDefn( OGRFeatureDefn fd )throws OGRException{ |
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if(fd == null || fd.getPtro()<=0) |
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throw new OGRException("Error en destroyFeatureDefn(). Par?metro invalido."); |
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destroyFeatureDefnNat( fd.getPtro()); |
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} |
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} |