org.deegree.io.shpapi
Class FileHeader

java.lang.Object
  org.deegree.io.shpapi.FileHeader

public class FileHeader
extends Object

Class representing an ESRI Index File Header.

Uses class ByteUtils ShapeUtils modified from the original package com.bbn.openmap.layer.shape
Copyright (C) 1998 BBN Corporation 10 Moulton St. Cambridge, MA 02138

Version:

16.08.2000

Author:

Andreas Poth

Constructor Summary

FileHeader(RandomAccessFile rafShp_)
Construct a IndexFileHeader from a file name.

FileHeader(RandomAccessFile rafShp_, boolean newHeader)
Construct a IndexFileHeader from a file name.

Method Summary

long	getFileLength() method: getFileLength() returns the length of the shape file in bytes
SHPEnvelope	getFileMBR() method: getFileMBR(); Returns the bounding box of this shape file.
int	getFileShapeType() method: getFileShapeType() returns the code for the shape type of the file
int	getFileVersion() method: getFileVersion() returns the version of the shape file
void	writeHeader() method: writeHeader() Writes a blank header into the shape file.
void	writeHeader(int filelength, int shptype, SHPEnvelope mbr) method: writeHeader(int filelength, byte shptype,SHPEnvelope mbr) Writes a header into the shape file.

Methods inherited from class java.lang.Object

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

Constructor Detail

FileHeader

public FileHeader(RandomAccessFile rafShp_)
           throws IOException

Construct a IndexFileHeader from a file name.

Parameters:

rafShp_ -

Throws:

IOException

FileHeader

public FileHeader(RandomAccessFile rafShp_,
                  boolean newHeader)
           throws IOException

Construct a IndexFileHeader from a file name.

Parameters:

rafShp_ -

newHeader -

Throws:

IOException

Method Detail

getFileMBR

public SHPEnvelope getFileMBR()

method: getFileMBR();
Returns the bounding box of this shape file. The bounding box
is the smallest rectangle that encloses all the shapes in the
file.

Returns:

the bounding box of this shape file. The bounding box
is the smallest rectangle that encloses all the shapes in the
file.

getFileLength

public long getFileLength()

method: getFileLength()
returns the length of the shape file in bytes

Returns:

the length of the shape file in bytes

getFileVersion

public int getFileVersion()

method: getFileVersion()
returns the version of the shape file

Returns:

the version of the shape file

getFileShapeType

public int getFileShapeType()

method: getFileShapeType()
returns the code for the shape type of the file

Returns:

the code for the shape type of the file

writeHeader

public void writeHeader()
                 throws IOException

method: writeHeader()
Writes a blank header into the shape file.

Throws:

IOException

writeHeader

public void writeHeader(int filelength,
                        int shptype,
                        SHPEnvelope mbr)
                 throws IOException

method: writeHeader(int filelength, byte shptype,SHPEnvelope mbr)
Writes a header into the shape file.

Parameters:

filelength -

shptype -

mbr -

Throws:

IOException