net.sourceforge.java.util.io
Class FileUtils.FileComparator

java.lang.Object
  net.sourceforge.java.util.io.FileUtils.FileComparator

All Implemented Interfaces:

Comparator

Direct Known Subclasses:

FileUtils.FileDateComparator, FileUtils.FileNameComparator, FileUtils.FileSizeComparator

Enclosing class:

FileUtils

public abstract static class FileUtils.FileComparator

extends Object

implements Comparator

Abstract base Comparator for file attributes.

Author:

Sebastian Machhausen

Field Summary

private boolean

ascending The sort order: true = ascending, false = descending

Constructor Summary

FileUtils.FileComparator()

Method Summary

int	compare(File file1, File file2) Compares two objects.
int	compare(Object obj1, Object obj2) Compares two objects.
boolean	isAscending() Gets the sort order.
void	setAscending(boolean ascending) Sets the sort order.

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

Field Detail

ascending

private boolean ascending

The sort order: true = ascending, false = descending

Constructor Detail

FileUtils.FileComparator

public FileUtils.FileComparator()

Method Detail

setAscending

public void setAscending(boolean ascending)

Sets the sort order. true for ascending, false for descending. Default is ascending.

Parameters:

ascending - true for ascending, false for descending sort order

See Also:

isAscending()

isAscending

public boolean isAscending()

Gets the sort order. true if ascending, false if descending.

Returns:

true if ascending, false if descending sort order

See Also:

setAscending(boolean)

compare

public int compare(File file1,
                   File file2)

Compares two objects.

Parameters:

file1 - the first File object to compare

file2 - the second File object to compare

Returns:

a negative integer, zero, or a positive integer as the first argument is less than, equal to, or greater than the second.

compare

public int compare(Object obj1,
                   Object obj2)

Compares two objects.

Specified by:

compare in interface Comparator

Parameters:

obj1 - the first File object to compare

obj2 - the second File object to compare

Returns:

a negative integer, zero, or a positive integer as the first argument is less than, equal to, or greater than the second.