Package org.apache.commons.io.filefilter

Class HiddenFileFilter

java.lang.Object
org.apache.commons.io.filefilter.AbstractFileFilter
org.apache.commons.io.filefilter.HiddenFileFilter
All Implemented Interfaces:
FileFilter, FilenameFilter, Serializable, IOFileFilter
public class HiddenFileFilter extends AbstractFileFilter implements Serializable
This filter accepts Files 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]);
 }
Since:
1.3
See Also:

  • Field Details

    • serialVersionUID

      private static final long serialVersionUID
      See Also:

    • HIDDEN

      public static final IOFileFilter HIDDEN
      Singleton instance of hidden filter

    • VISIBLE

      public static final IOFileFilter VISIBLE
      Singleton instance of visible filter

  • Constructor Details

    • HiddenFileFilter

      protected HiddenFileFilter()
      Restrictive constructor.

  • Method Details

    • accept

      public boolean accept(File file)
      Checks to see if the file is hidden.
      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 file is hidden, otherwise false.