uk.ac.starlink.fits

Class BintableColumnHeader

java.lang.Object

uk.ac.starlink.fits.BintableColumnHeader

public abstract class BintableColumnHeader
extends Object

Understands how per-column metadata is stored in the headers of a FITS BINTABLE extension.

Since:

21 Mar 2017

Author:

Mark Taylor

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	BintableColumnHeader(CardFactory cardFactory) Constructor.

Method Summary

Modifier and Type	Method and Description
static BintableColumnHeader	createStandardHeader(int jcol) Returns an instance of this class for use with standard FITS BINTABLE headers.
CardFactory	getCardFactory() Returns the card factory to use when constructing header cards associated with this header.
abstract String	getKeyName(String stdName) Gives the name of the actual FITS header card for the column managed by this object and a standard FITS BINTABLE base header name.

Methods inherited from class java.lang.Object

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

Constructor Detail

BintableColumnHeader

protected BintableColumnHeader(CardFactory cardFactory)

Constructor.

Parameters:

cardFactory - object which should be used to construct header cards associated with this header

Method Detail

getCardFactory

public CardFactory getCardFactory()

Returns the card factory to use when constructing header cards associated with this header.

Returns:

header card factory

getKeyName

public abstract String getKeyName(String stdName)

Gives the name of the actual FITS header card for the column managed by this object and a standard FITS BINTABLE base header name.

Parameters:

stdName - standard base name for the metadata item (for instance "TFORM" for TFORMnnn)

Returns:

complete FITS header card key name

createStandardHeader

public static BintableColumnHeader createStandardHeader(int jcol)

Returns an instance of this class for use with standard FITS BINTABLE headers.

Parameters:

jcol - column index (first column has value 1)

Returns:

new instance