jpiv2
Class VerifierFloat

java.lang.Object
  javax.swing.InputVerifier
      jpiv2.VerifierFloat

public class VerifierFloat
extends javax.swing.InputVerifier

Float Verifier. Can be registered on an input component to verify user input.

Constructor Summary

VerifierFloat()
Creates a new instance of VerifierFloat.

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

VerifierFloat

public VerifierFloat()

Creates a new instance of VerifierFloat.

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]+\\.?[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 to verify.

Returns:

true if input is valid.