com.knowgate.io.filefilter

Class NotFileFilter

java.lang.Object

com.knowgate.io.filefilter.AbstractFileFilter

com.knowgate.io.filefilter.NotFileFilter

All Implemented Interfaces:

IOFileFilter, FileFilter, FilenameFilter, Serializable

public class NotFileFilter
extends AbstractFileFilter
implements Serializable

This filter produces a logical NOT of the filters specified.

Since:

Commons IO 1.0

Version:

$Revision: 591058 $ $Date: 2007-11-01 15:47:05 +0000 (Thu, 01 Nov 2007) $

Author:

Stephen Colebourne

See Also:

Serialized Form

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
boolean	accept(File file) Checks to see if both filters are true.
boolean	accept(File file, String name) Checks to see if both filters are true.
String	toString() Provide a String representaion of this file filter.

Methods inherited from class java.lang.Object

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

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:

IllegalArgumentException - if the filter is null

Method Detail

accept

public boolean accept(File file)

Checks to see if both filters are true.

Specified by:

accept in interface IOFileFilter

Specified by:

accept in interface FileFilter

Overrides:

accept in class AbstractFileFilter

Parameters:

file - the File to check

Returns:

true if the filter returns false

accept

public boolean accept(File file,
                      String name)

Checks to see if both filters are true.

Specified by:

accept in interface IOFileFilter

Specified by:

accept in interface FilenameFilter

Overrides:

accept in class AbstractFileFilter

Parameters:

file - the File directory

name - the filename

Returns:

true if the filter returns false

toString

public String toString()

Provide a String representaion of this file filter.

Overrides:

toString in class AbstractFileFilter

Returns:

a String representaion