Package org.apache.commons.io.filefilter

Class OrFileFilter

java.lang.Object

org.apache.commons.io.filefilter.AbstractFileFilter

org.apache.commons.io.filefilter.OrFileFilter

All Implemented Interfaces:

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

public class OrFileFilter
extends AbstractFileFilter
implements ConditionalFileFilter, Serializable

A FileFilter providing conditional OR logic across a list of file filters. This filter returns true if any filters in the list return true. Otherwise, it returns false. Checking of the file filter list stops when the first filter returns true.

Since:

1.0

See Also:

FileFilterUtils.or(IOFileFilter...), Serialized Form

Field Summary

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

EMPTY_STRING_ARRAY

Constructor Summary

Constructors

Constructor	Description
OrFileFilter()	Constructs a new instance of OrFileFilter.
OrFileFilter(List<IOFileFilter> fileFilters)	Constructs a new instance of OrFileFilter with the specified filters.
OrFileFilter(IOFileFilter... fileFilters)	Constructs a new instance for the give filters.
OrFileFilter(IOFileFilter filter1, IOFileFilter filter2)	Constructs a new file filter that ORs the result of other filters.

Method Summary

Modifier and Type	Method	Description
boolean	accept(File file)	Checks to see if the File should be accepted by this filter.
boolean	accept(File file, String name)	Checks to see if the File should be accepted by this filter.
FileVisitResult	accept(Path file, BasicFileAttributes attributes)	Checks to see if the Path should be accepted by this filter.
void	addFileFilter(IOFileFilter fileFilter)	Adds the specified file filter to the list of file filters at the end of the list.
void	addFileFilter(IOFileFilter... fileFilters)	Adds the given file filters.
List<IOFileFilter>	getFileFilters()	Gets this conditional file filter's list of file filters.
boolean	removeFileFilter(IOFileFilter fileFilter)	Removes the specified file filter.
void	setFileFilters(List<IOFileFilter> fileFilters)	Sets the list of file filters, replacing any previously configured file filters on this filter.
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

OrFileFilter

public OrFileFilter()

Constructs a new instance of OrFileFilter.

Since:

1.1

OrFileFilter

public OrFileFilter(IOFileFilter... fileFilters)

Constructs a new instance for the give filters.

Parameters:

fileFilters - filters to OR.

Since:

2.9.0

OrFileFilter

public OrFileFilter(IOFileFilter filter1,
                    IOFileFilter filter2)

Constructs a new file filter that ORs the result of other filters.

Parameters:

filter1 - the first filter, must not be null

filter2 - the second filter, must not be null

Throws:

IllegalArgumentException - if either filter is null

OrFileFilter

public OrFileFilter(List<IOFileFilter> fileFilters)

Constructs a new instance of OrFileFilter with the specified filters.

Parameters:

fileFilters - the file filters for this filter, copied.

Since:

1.1

Method Detail

accept

public boolean accept(File file)

Checks to see if the File should be accepted by this 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 this file matches the test

accept

public boolean accept(File file,
                      String name)

Checks to see if the File should be accepted by this filter.

Specified by:

accept in interface FilenameFilter

Specified by:

accept in interface IOFileFilter

Overrides:

accept in class AbstractFileFilter

Parameters:

file - the directory File to check

name - the file name within the directory to check

Returns:

true if this file matches the test

accept

public FileVisitResult accept(Path file,
                              BasicFileAttributes attributes)

Checks to see if the Path should be accepted by this filter.

Specified by:

accept in interface IOFileFilter

Specified by:

accept in interface PathFilter

Parameters:

file - the Path to check.

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

Returns:

true if this path matches the test.

addFileFilter

public void addFileFilter(IOFileFilter fileFilter)

Adds the specified file filter to the list of file filters at the end of the list.

Specified by:

addFileFilter in interface ConditionalFileFilter

Parameters:

fileFilter - the filter to be added

addFileFilter

public void addFileFilter(IOFileFilter... fileFilters)

Adds the given file filters.

Parameters:

fileFilters - the filters to add.

Since:

2.9.0

getFileFilters

public List<IOFileFilter> getFileFilters()

Gets this conditional file filter's list of file filters.

Specified by:

getFileFilters in interface ConditionalFileFilter

Returns:

the file filter list

removeFileFilter

public boolean removeFileFilter(IOFileFilter fileFilter)

Removes the specified file filter.

Specified by:

removeFileFilter in interface ConditionalFileFilter

Parameters:

fileFilter - filter to be removed

Returns:

true if the filter was found in the list, false otherwise

setFileFilters

public void setFileFilters(List<IOFileFilter> fileFilters)

Sets the list of file filters, replacing any previously configured file filters on this filter.

Specified by:

setFileFilters in interface ConditionalFileFilter

Parameters:

fileFilters - the list of filters

toString

public String toString()

Provide a String representation of this file filter.

Overrides:

toString in class AbstractFileFilter

Returns:

a String representation