org.h2gis.functions.io.shp.internal

Class SHPDriver

java.lang.Object

org.h2gis.functions.io.shp.internal.SHPDriver

All Implemented Interfaces:

FileDriver

public class SHPDriver
extends Object
implements FileDriver

Merge ShapeFileReader and DBFReader. TODO Handle SHP without SHX and/or DBF How to use: In Write mode, Declare fields by calling SHPDriver#initDriver(java.io.File, ShapeType, org.h2gis.drivers.dbf.internal.DbaseFileHeader) then write row using

Author:

Nicolas Fortin

Field Summary

Fields

Modifier and Type	Field and Description
File	prjFile

Constructor Summary

Constructors

Constructor and Description
SHPDriver()

Method Summary

Modifier and Type	Method and Description
void	close() Close the file, free resources.
DbaseFileHeader	getDbaseFileHeader()
int	getFieldCount()
int	getGeometryFieldIndex()
Object[]	getRow(long rowId)
long	getRowCount()
ShapefileHeader	getShapeFileHeader()
int	getSrid() Get the SRID code
void	initDriver(File shpFile, ShapeType shapeType, DbaseFileHeader dbaseHeader) Init Driver for Write mode
void	initDriverFromFile(File shpFile) Init this driver from existing files, then open theses files.
void	initDriverFromFile(File shpFile, String forceEncoding) Init this driver from existing files, then open theses files.
void	insertRow(Object[] values) Insert values in the row
void	setGeometryFieldIndex(int geometryFieldIndex)
void	setSRID(int srid) Set a SRID code that will be used for geometries.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

prjFile

public File prjFile

Constructor Detail

SHPDriver

public SHPDriver()

Method Detail

setGeometryFieldIndex

public void setGeometryFieldIndex(int geometryFieldIndex)

Parameters:

geometryFieldIndex - The geometry field index in getRow() array.

insertRow

public void insertRow(Object[] values)
               throws IOException

Insert values in the row

Specified by:

insertRow in interface FileDriver

Parameters:

values -

Throws:

IOException

getGeometryFieldIndex

public int getGeometryFieldIndex()

Returns:

The geometry field index in getRow() array.

initDriver

public void initDriver(File shpFile,
                       ShapeType shapeType,
                       DbaseFileHeader dbaseHeader)
                throws IOException

Init Driver for Write mode

Parameters:

shpFile -

shapeType -

dbaseHeader -

Throws:

IOException

initDriverFromFile

public void initDriverFromFile(File shpFile)
                        throws IOException

Init this driver from existing files, then open theses files.

Parameters:

shpFile - Shape file path.

Throws:

IOException

initDriverFromFile

public void initDriverFromFile(File shpFile,
                               String forceEncoding)
                        throws IOException

Init this driver from existing files, then open theses files.

Parameters:

shpFile - Shape file path.

forceEncoding - If defined use this encoding instead of the one defined in dbf header.

Throws:

IOException

getDbaseFileHeader

public DbaseFileHeader getDbaseFileHeader()

Returns:

Dbase file header

getRowCount

public long getRowCount()

Specified by:

getRowCount in interface FileDriver

Returns:

Row count

getShapeFileHeader

public ShapefileHeader getShapeFileHeader()

Returns:

ShapeFile header

close

public void close()
           throws IOException

Description copied from interface: FileDriver

Close the file, free resources.

Specified by:

close in interface FileDriver

Throws:

IOException

getFieldCount

public int getFieldCount()

getRow

public Object[] getRow(long rowId)
                throws IOException

Specified by:

getRow in interface FileDriver

Parameters:

rowId - Row index [0-getRowCount()[

Returns:

The row content

Throws:

IOException - Read error

setSRID

public void setSRID(int srid)

Set a SRID code that will be used for geometries.

Parameters:

srid -

getSrid

public int getSrid()

Get the SRID code

Returns: