# Class BasicFileChooserUI.UpdateAction

java.lang.Object
javax.swing.AbstractAction
javax.swing.plaf.basic.BasicFileChooserUI.UpdateAction

All Implemented Interfaces:
  `ActionListener, Serializable, Cloneable, EventListener, Action`

Enclosing class:
  `BasicFileChooserUI`

protected class BasicFileChooserUI.UpdateAction extends AbstractAction
Rescans the files in the current directory

## Field Summary

### Fields declared in class AbstractAction

`changeSupport, enabled`

### Fields declared in interface Action

`ACCELERATOR_KEY, ACTION_COMMAND_KEY, DEFAULT, DISPLAYED_MNEMONIC_INDEX_KEY, LARGE_ICON_KEY, LONG_DESCRIPTION, MNEMONIC_KEY, NAME, SELECTED_KEY, SHORT_DESCRIPTION, SMALL_ICON`

## Constructor Summary

Constructors
Modifier
Constructor
Description
`protected`
`UpdateAction()`
Constructs an `UpdateAction`.

## Method Summary

Modifier and Type
Method
Description
`void`
`actionPerformed(ActionEvent e)`
Invoked when an action occurs.

### Methods declared in class AbstractAction

`addPropertyChangeListener, clone, firePropertyChange, getKeys, getPropertyChangeListeners, getValue, isEnabled, putValue, removePropertyChangeListener, setEnabled`

### Methods declared in class Object

`equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

### Methods declared in interface Action

`accept`

## Constructor Details

### UpdateAction

protected UpdateAction()
Constructs an `UpdateAction`.

## Method Details

### actionPerformed

public void actionPerformed(ActionEvent e)
Invoked when an action occurs.

Parameters:
  `e` - the event to be processed