java.io.FileFilter
, java.io.FilenameFilter
, java.io.Serializable
, IOFileFilter
public class HiddenFileFilter extends AbstractFileFilter implements java.io.Serializable
File
s that are hidden.
Example, showing how to print out a list of the current directory's hidden files:
File dir = new File("."); String[] files = dir.list( HiddenFileFilter.HIDDEN ); for ( int i = 0; i < files.length; i++ ) { System.out.println(files[i]); }
Example, showing how to print out a list of the current directory's visible (i.e. not hidden) files:
File dir = new File("."); String[] files = dir.list( HiddenFileFilter.VISIBLE ); for ( int i = 0; i < files.length; i++ ) { System.out.println(files[i]); }
Modifier and Type | Field | Description |
---|---|---|
static IOFileFilter |
HIDDEN |
Singleton instance of hidden filter
|
static IOFileFilter |
VISIBLE |
Singleton instance of visible filter
|
Modifier | Constructor | Description |
---|---|---|
protected |
HiddenFileFilter() |
Restrictive consructor.
|
Modifier and Type | Method | Description |
---|---|---|
boolean |
accept(java.io.File file) |
Checks to see if the file is hidden.
|
accept, toString
public static final IOFileFilter HIDDEN
public static final IOFileFilter VISIBLE
public boolean accept(java.io.File file)
accept
in interface java.io.FileFilter
accept
in interface IOFileFilter
accept
in class AbstractFileFilter
file
- the File to checktrue
if the file is
hidden, otherwise false
.Copyright (c) 2002-2017 Apache Software Foundation