HeaderOrder

java.lang.Object
- nom.tam.fits.HeaderOrder

All Implemented Interfaces:

java.io.Serializable, java.util.Comparator<java.lang.String>
```
public class HeaderOrder
extends java.lang.Object
implements java.util.Comparator<java.lang.String>, java.io.Serializable
```
This class implements a comparator which ensures that FITS keywords are written out in a proper order.

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type Field Description

private static long serialVersionUID
Serialization id.

Constructor Summary

Constructors
Constructor Description

HeaderOrder()

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`int`	`compare(java.lang.String c1, java.lang.String c2)`	Which order should the cards indexed by these keys be written out? This method assumes that the arguments are either the FITS Header keywords as strings, and some other type (or null) for comment style keywords.
`private static int`	`naxisN(java.lang.String key)`	Find the index for NAXISn keywords

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Comparator
equals, reversed, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

- Field Detail
  - serialVersionUID
```
private static final long serialVersionUID
```
    Serialization id.
    
    See Also:
    
    Constant Field Values
- Constructor Detail
  - HeaderOrder
```
public HeaderOrder()
```
- Method Detail
  - compare
```
public int compare(java.lang.String c1,
                   java.lang.String c2)
```
    Which order should the cards indexed by these keys be written out? This method assumes that the arguments are either the FITS Header keywords as strings, and some other type (or null) for comment style keywords.
    
    Specified by:
    
    compare in interface java.util.Comparator<java.lang.String>
    
    Returns:
    
    -1 if the first argument should be written first
    1 if the second argument should be written first
    0 if either is legal.
  - naxisN
```
private static int naxisN(java.lang.String key)
```
    Find the index for NAXISn keywords