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, java.io.Serializable, java.nio.file.FileVisitor<java.nio.file.Path>, PathFilter, PathVisitor, IOFileFilter

public class NotFileFilter
extends AbstractFileFilter
implements java.io.Serializable

This filter produces a logical NOT of the filters specified.

Deprecating Serialization

Serialization is deprecated and will be removed in 3.0.

Since:

1.0

See Also:

FileFilterUtils.notFileFilter(IOFileFilter), Serialized Form

Field Summary

Fields inherited from interface org.apache.commons.io.filefilter.IOFileFilter

EMPTY_STRING_ARRAY

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method and Description
boolean	accept(java.io.File file) Returns the logical NOT of the underlying filter's return value for the same File.
boolean	accept(java.io.File file, java.lang.String name) Returns the logical NOT of the underlying filter's return value for the same arguments.
java.nio.file.FileVisitResult	accept(java.nio.file.Path file, java.nio.file.attribute.BasicFileAttributes attributes) Returns the logical NOT of the underlying filter's return value for the same File.
java.lang.String	toString() Provide a String representation of this file filter.

Methods inherited from class org.apache.commons.io.filefilter.AbstractFileFilter

postVisitDirectory, preVisitDirectory, visitFile, visitFileFailed

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.commons.io.filefilter.IOFileFilter

and, negate, or

Constructor Detail

NotFileFilter

public NotFileFilter(IOFileFilter filter)

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

Parameters:

filter - the filter, must not be null

Throws:

java.lang.NullPointerException - if the filter is null

Method Detail

accept

public boolean accept(java.io.File file)

Returns the logical NOT of the underlying filter's return value for the same File.

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)

Returns the logical NOT of the underlying filter's return value for the same arguments.

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 file name

Returns:

true if the filter returns false

accept

public java.nio.file.FileVisitResult accept(java.nio.file.Path file,
                                            java.nio.file.attribute.BasicFileAttributes attributes)

Returns the logical NOT of the underlying filter's return value for the same File.

Specified by:

accept in interface PathFilter

Specified by:

accept in interface IOFileFilter

Parameters:

file - the File to check

attributes - the file's basic attributes (TODO may be null).

Returns:

true if the filter returns false

Since:

2.9.0

toString

public java.lang.String toString()

Provide a String representation of this file filter.

Overrides:

toString in class AbstractFileFilter

Returns:

a String representation