org.norther.tammi.acorn.io
Class FileDateComparator

java.lang.Object
  org.norther.tammi.acorn.io.FileDateComparator

All Implemented Interfaces:

Serializable, Comparator

public class FileDateComparator
extends Object
implements Comparator, Serializable

A comparator for file dates.

Author:

Ilkka Priha

See Also:

Serialized Form

Constructor Summary

FileDateComparator()
Constructs a new comparator.

Method Summary

protected int	compare(File file1, File file2) Compares two file dates in ascending order.
int	compare(Object file1, Object file2) Compares two file dates.

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

Constructor Detail

FileDateComparator

public FileDateComparator()

Constructs a new comparator.

Method Detail

compare

public int compare(Object file1,
                   Object file2)

Compares two file dates.

Specified by:

compare in interface Comparator

Parameters:

file1 - the first file to be compared.

file2 - the second file to be compared.

Returns:

-1, 0 or 1 based on comparison.

Throws:

NullPointerException - for null files.

ClassCastException - if parameters are not files.

compare

protected int compare(File file1,
                      File file2)

Compares two file dates in ascending order.

Parameters:

file1 - the first file to be compared.

file2 - the second file to be compared.

Returns:

-1, 0 or 1 based on comparison.

Throws:

NullPointerException - for null files.