Package nom.tam.fits

Class UndefinedData

java.lang.Object

nom.tam.fits.Data

nom.tam.fits.UndefinedData

All Implemented Interfaces:

FitsElement

public class UndefinedData
extends Data

This class provides a simple holder for data which is not handled by other classes.

Field Summary

Fields

Modifier and Type	Field	Description
private static int	BITS_PER_BYTE
private byte[]	data
private static java.util.logging.Logger	LOG

Fields inherited from class nom.tam.fits.Data

dataSize, fileOffset, input

Constructor Summary

Constructors

Constructor	Description
UndefinedData(java.lang.Object x)	Create an UndefinedData object using the specified object.
UndefinedData(Header h)

Method Summary

Modifier and Type	Method	Description
protected void	fillHeader(Header head)	Fill header with keywords that describe data.
java.lang.Object	getData()
protected long	getTrueSize()	Get the size in bytes of the data
void	read(ArrayDataInput i)	Read a data array into the current object and if needed position to the beginning of the next FITS block.
void	write(ArrayDataOutput o)	Write the data -- including any buffering needed

Methods inherited from class nom.tam.fits.Data

getFileOffset, getKernel, getSize, reset, rewrite, rewriteable, setFileOffset

Methods inherited from class java.lang.Object

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

Field Detail

LOG

private static final java.util.logging.Logger LOG

BITS_PER_BYTE

private static final int BITS_PER_BYTE

See Also:

Constant Field Values

data

private byte[] data

Constructor Detail

UndefinedData

public UndefinedData(Header h)
              throws FitsException

Throws:

FitsException

UndefinedData

public UndefinedData(java.lang.Object x)

Create an UndefinedData object using the specified object.

Parameters:

x - object to create the hdu from

Method Detail

fillHeader

protected void fillHeader(Header head)

Fill header with keywords that describe data.

Specified by:

fillHeader in class Data

Parameters:

head - The FITS header

getData

public java.lang.Object getData()

Specified by:

getData in class Data

Returns:

the data array object.

getTrueSize

protected long getTrueSize()

Get the size in bytes of the data

Specified by:

getTrueSize in class Data

read

public void read(ArrayDataInput i)
          throws FitsException

Description copied from interface: FitsElement

Read a data array into the current object and if needed position to the beginning of the next FITS block.

Specified by:

read in interface FitsElement

Specified by:

read in class Data

Parameters:

i - The input data stream

Throws:

FitsException - if the read was unsuccessful.

write

public void write(ArrayDataOutput o)
           throws FitsException

Description copied from class: Data

Write the data -- including any buffering needed

Specified by:

write in interface FitsElement

Specified by:

write in class Data

Parameters:

o - The output stream on which to write the data.

Throws:

FitsException - if the write was unsuccessful.