javax.swing

Class InputVerifier

java.lang.Object

javax.swing.InputVerifier

public abstract class InputVerifier
extends Object

Verifies the user input on a component before the focus is shifted. It is sometimes necessary that input components have a valid state before they loose focus. Such components can have a InputVerifier subclass registered, that permits or vetos a focus change request.

Constructor Summary

Constructors

Constructor and Description
InputVerifier() Creates a InputVerifier

Method Summary

Methods

Modifier and Type	Method and Description
boolean	shouldYieldFocus(JComponent component) shouldYieldFocus
abstract boolean	verify(JComponent component) verify

Methods inherited from class java.lang.Object

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

Constructor Detail

InputVerifier

public InputVerifier()

Creates a InputVerifier

Method Detail

verify

public abstract boolean verify(JComponent component)

verify

Parameters:

component - the component to verify

Returns:

true if valid, false otherwise.

shouldYieldFocus

public boolean shouldYieldFocus(JComponent component)

shouldYieldFocus

Parameters:

component - the component to verify

Returns:

true if valid, false otherwise.