java.io.FileFilter
, java.io.FilenameFilter
, java.io.Serializable
, IOFileFilter
public class DirectoryFileFilter extends AbstractFileFilter implements java.io.Serializable
File
s that are directories.
For example, here is how to print out a list of the current directory's subdirectories:
File dir = new File("."); String[] files = dir.list( DirectoryFileFilter.INSTANCE ); for ( int i = 0; i < files.length; i++ ) { System.out.println(files[i]); }
FileFilterUtils.directoryFileFilter()
,
Serialized FormModifier and Type | Field | Description |
---|---|---|
static IOFileFilter |
DIRECTORY |
Singleton instance of directory filter.
|
static IOFileFilter |
INSTANCE |
Singleton instance of directory filter.
|
Modifier | Constructor | Description |
---|---|---|
protected |
DirectoryFileFilter() |
Restrictive consructor.
|
Modifier and Type | Method | Description |
---|---|---|
boolean |
accept(java.io.File file) |
Checks to see if the file is a directory.
|
accept, toString
public static final IOFileFilter DIRECTORY
public static final IOFileFilter INSTANCE
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 checkCopyright (c) 2002-2017 Apache Software Foundation