TrueFileFilter

java.lang.Object

org.apache.commons.io.filefilter.TrueFileFilter

All Implemented Interfaces:: FileFilter, FilenameFilter, Serializable, IOFileFilter

public class TrueFileFilter extends Object implements IOFileFilter, Serializable

A file filter that always returns true.

Since:

1.0

See Also:

Field Summary

Fields

Modifier and Type

Field

Description

static final IOFileFilter

INSTANCE

Singleton instance of true filter.

private static final long

serialVersionUID

static final IOFileFilter

TRUE

Singleton instance of true filter.

Fields inherited from interface org.apache.commons.io.filefilter.IOFileFilter
EMPTY_STRING_ARRAY
Constructor Summary

Constructors

Modifier

Constructor

Description

protected

TrueFileFilter()

Restrictive constructor.
Method Summary

Modifier and Type

Method

Description

boolean

accept(File file)

Returns true.

boolean

accept(File dir, String name)

Returns true.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details
- serialVersionUID
  
  private static final long serialVersionUID
  See Also:
  
  Constant Field Values
- TRUE
  
  public static final IOFileFilter TRUE
  
  Singleton instance of true filter.
  
  Since:
  
  1.3
- INSTANCE
  
  public static final IOFileFilter INSTANCE
  
  Singleton instance of true filter. Please use the identical TrueFileFilter.TRUE constant. The new name is more JDK 1.5 friendly as it doesn't clash with other values when using static imports.
Constructor Details
- TrueFileFilter
  
  protected TrueFileFilter()
  
  Restrictive constructor.
Method Details
- accept
  
  public boolean accept(File file)
  
  Returns true.
  
  Specified by:
  
  accept in interface FileFilter
  
  Specified by:
  
  accept in interface IOFileFilter
  
  Parameters:
  
  file - the file to check (ignored)
  
  Returns:
  
  true
- accept
  
  public boolean accept(File dir, String name)
  
  Returns true.
  
  Specified by:
  
  accept in interface FilenameFilter
  
  Specified by:
  
  accept in interface IOFileFilter
  
  Parameters:
  
  dir - the directory to check (ignored)
  
  name - the file name (ignored)
  
  Returns:
  
  true