org.dlese.dpc.util

Class FileModDateComparator

java.lang.Object

org.dlese.dpc.util.FileModDateComparator

All Implemented Interfaces:

java.util.Comparator

public class FileModDateComparator
extends java.lang.Object
implements java.util.Comparator

Compares two Files based on their modification date.

Version:

$Id: FileModDateComparator.java,v 1.2 2009/03/20 23:34:00 jweather Exp $

Author:

John Weatherley

Field Summary

Fields

Modifier and Type	Field and Description
static int	NEWEST_FIRST Sort by newest first.
static int	OLDEST_FIRST Sort by oldest first.

Constructor Summary

Constructors

Constructor and Description
FileModDateComparator() Default constructor that sorts by newest first.
FileModDateComparator(int sortOrder) Constructor that allows setting the sort order by newest or oldest first.

Method Summary

Modifier and Type	Method and Description
int	compare(java.lang.Object o1, java.lang.Object o2) Compares two Files for sorting by their modification date.

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

comparing, comparing, comparingDouble, comparingInt, comparingLong, equals, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Field Detail

NEWEST_FIRST

public static final int NEWEST_FIRST

Sort by newest first.

See Also:

Constant Field Values

OLDEST_FIRST

public static final int OLDEST_FIRST

Sort by oldest first.

See Also:

Constant Field Values

Constructor Detail

FileModDateComparator

public FileModDateComparator(int sortOrder)

Constructor that allows setting the sort order by newest or oldest first.

Parameters:

sortOrder - The order for sorting (NEWEST_FIRST or OLDEST_FIRST)

See Also:

NEWEST_FIRST, OLDEST_FIRST

FileModDateComparator

public FileModDateComparator()

Default constructor that sorts by newest first.

Method Detail

compare

public int compare(java.lang.Object o1,
                   java.lang.Object o2)

Compares two Files for sorting by their modification date.

Compares its two arguments for order. Returns a negative integer, zero, or a positive integer as the first argument is less than, equal to, or greater than the second.

Specified by:

compare in interface java.util.Comparator

Parameters:

o1 - The first Object.

o2 - The second Object.

Returns:

An int indicating sort order.