Package org.apache.commons.io.filefilter

Class DelegateFileFilter

java.lang.Object

org.apache.commons.io.filefilter.AbstractFileFilter

org.apache.commons.io.filefilter.DelegateFileFilter

All Implemented Interfaces:

FileFilter, FilenameFilter, Serializable, FileVisitor<Path>, PathMatcher, PathFilter, PathVisitor, IOFileFilter

public class DelegateFileFilter
extends AbstractFileFilter
implements Serializable

This class turns a Java FileFilter or FilenameFilter into an IO FileFilter.

Deprecating Serialization

Serialization is deprecated and will be removed in 3.0.

Since:

1.0

See Also:

• FileFilterUtils.asFileFilter(FileFilter)
• FileFilterUtils.asFileFilter(FilenameFilter)
• Serialized Form

Field Summary

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

EMPTY_STRING_ARRAY

Constructor Summary

Constructors

Constructor	Description
DelegateFileFilter(FileFilter fileFilter)	Constructs a delegate file filter around an existing FileFilter.
DelegateFileFilter(FilenameFilter fileNameFilter)	Constructs a delegate file filter around an existing FilenameFilter.

Method Summary

Modifier and Type	Method	Description
boolean	accept(File file)	Checks the filter.
boolean	accept(File dir, String name)	Checks the filter.
String	toString()	Provide a String representation of this file filter.

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

handle, postVisitDirectory, preVisitDirectory, visitFile, visitFileFailed

Methods inherited from class java.lang.Object

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

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

accept, and, matches, negate, or

Constructor Details

DelegateFileFilter

public DelegateFileFilter(FileFilter fileFilter)

Constructs a delegate file filter around an existing FileFilter.

Parameters:

fileFilter - the filter to decorate

DelegateFileFilter

public DelegateFileFilter(FilenameFilter fileNameFilter)

Constructs a delegate file filter around an existing FilenameFilter.

Parameters:

fileNameFilter - the filter to decorate

Method Details

accept

public boolean accept(File file)

Checks the filter.

Specified by:

accept in interface FileFilter

Specified by:

accept in interface IOFileFilter

Overrides:

accept in class AbstractFileFilter

Parameters:

file - the file to check

Returns:

true if the filter matches

accept

public boolean accept(File dir,
 String name)

Checks the filter.

Specified by:

accept in interface FilenameFilter

Specified by:

accept in interface IOFileFilter

Overrides:

accept in class AbstractFileFilter

Parameters:

dir - the directory

name - the file name in the directory

Returns:

true if the filter matches

toString

public String toString()

Provide a String representation of this file filter.

Overrides:

toString in class AbstractFileFilter

Returns:

a String representation