jpiv2

Class VerifierInt

java.lang.Object

javax.swing.InputVerifier

jpiv2.VerifierInt

public class VerifierInt
extends javax.swing.InputVerifier

Integer verifier. Can be registered on an input component to verify user input.

Constructor Summary

Constructors

Constructor and Description
VerifierInt() Creates a new instance of VerifierInt.

Method Summary

Modifier and Type	Method and Description
boolean	shouldYieldFocus(javax.swing.JComponent input) Calls the verify method.
boolean	verify(javax.swing.JComponent input) Checks the validity of a String typed into a JTextField.

Methods inherited from class java.lang.Object

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

Constructor Detail

VerifierInt

public VerifierInt()

Creates a new instance of VerifierInt.

Method Detail

verify

public boolean verify(javax.swing.JComponent input)

Checks the validity of a String typed into a JTextField.

Specified by:

verify in class javax.swing.InputVerifier

Parameters:

input - A JTextField

Returns:

true if the String of the JTextField matches the regular expression "^-?[0-9]+$".

shouldYieldFocus

public boolean shouldYieldFocus(javax.swing.JComponent input)

Calls the verify method.

Overrides:

shouldYieldFocus in class javax.swing.InputVerifier

Parameters:

input - The input that needs to be verified.

Returns:

true if input is valid.