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package javax.swing.filechooser;

import java.io.File;

FileFilter is an abstract class used by JFileChooser for filtering the set of files shown to the user. See FileNameExtensionFilter for an implementation that filters using the file name extension.

A FileFilter can be set on a JFileChooser to keep unwanted files from appearing in the directory listing. For an example implementation of a simple file filter, see yourJDK/demo/jfc/FileChooserDemo/ExampleFileFilter.java. For more information and examples see How to Use File Choosers, a section in The Java Tutorial.

Author:Jeff Dinkins
See Also:
/** * <code>FileFilter</code> is an abstract class used by {@code JFileChooser} * for filtering the set of files shown to the user. See * {@code FileNameExtensionFilter} for an implementation that filters using * the file name extension. * <p> * A <code>FileFilter</code> * can be set on a <code>JFileChooser</code> to * keep unwanted files from appearing in the directory listing. * For an example implementation of a simple file filter, see * <code><i>yourJDK</i>/demo/jfc/FileChooserDemo/ExampleFileFilter.java</code>. * For more information and examples see * <a href="https://docs.oracle.com/javase/tutorial/uiswing/components/filechooser.html">How to Use File Choosers</a>, * a section in <em>The Java Tutorial</em>. * * @see FileNameExtensionFilter * @see javax.swing.JFileChooser#setFileFilter * @see javax.swing.JFileChooser#addChoosableFileFilter * * @author Jeff Dinkins */
public abstract class FileFilter {
Constructor for subclasses to call.
/** * Constructor for subclasses to call. */
protected FileFilter() {}
Whether the given file is accepted by this filter.
Params:
  • f – the File to test
Returns:true if the file is to be accepted
/** * Whether the given file is accepted by this filter. * * @param f the File to test * @return true if the file is to be accepted */
public abstract boolean accept(File f);
The description of this filter. For example: "JPG and GIF Images"
See Also:
Returns:the description of this filter
/** * The description of this filter. For example: "JPG and GIF Images" * * @return the description of this filter * @see FileView#getName */
public abstract String getDescription(); }