org.apache.commons.io.filefilter

Class NotFileFilter

java.lang.Object

org.apache.commons.io.filefilter.AbstractFileFilter

org.apache.commons.io.filefilter.NotFileFilter

All Implemented Interfaces:

java.io.FileFilter, java.io.FilenameFilter, IOFileFilter

public class NotFileFilter
extends AbstractFileFilter

This filter produces a logical NOT of the filters specified.

Since:

Commons IO 1.0

Version:

$Revision: 437567 $ $Date: 2006-08-28 08:39:07 +0200 (Mo, 28 Aug 2006) $

Author:

Stephen Colebourne

Field Summary

Fields

Modifier and Type	Field and Description
private IOFileFilter	filter The filter

Constructor Summary

Constructors

Constructor and Description
NotFileFilter(IOFileFilter filter) Constructs a new file filter that NOTs the result of another filters.

Method Summary

Methods

Modifier and Type	Method and Description
boolean	accept(java.io.File file) Checks to see if both filters are true.
boolean	accept(java.io.File file, java.lang.String name) Checks to see if both filters are true.

Methods inherited from class java.lang.Object

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

Field Detail

filter

private IOFileFilter filter

The filter

Constructor Detail

NotFileFilter

public NotFileFilter(IOFileFilter filter)

Constructs a new file filter that NOTs the result of another filters.

Parameters:

filter - the filter, must not be null

Throws:

java.lang.IllegalArgumentException - if the filter is null

Method Detail

accept

public boolean accept(java.io.File file)

Checks to see if both filters are true.

Specified by:

accept in interface java.io.FileFilter

Specified by:

accept in interface IOFileFilter

Overrides:

accept in class AbstractFileFilter

Parameters:

file - the File to check

Returns:

true if the filter returns false

accept

public boolean accept(java.io.File file,
             java.lang.String name)

Checks to see if both filters are true.

Specified by:

accept in interface java.io.FilenameFilter

Specified by:

accept in interface IOFileFilter

Overrides:

accept in class AbstractFileFilter

Parameters:

file - the File directory

name - the filename

Returns:

true if the filter returns false