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

VerifierInt()
Creates a new instance of VerifierInt.

Method Summary

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

clone, equals, finalize, 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.