A small library to limit the content of a JTextField in Java Swing.

• Character Limit.
• Allow writing just numbers
• Allow writing just text
• Allow writing just alphanumeric characters
• Allow writing custom characters
• Handle permission entry blanks

Import the library within the class packages.

import Atxy2k.CustomTextField.RestrictedTextField;

RestrictedTextField initialize the object that allow us to manipulate a JTextField

RestrictedTextField restricted = new RestrictedTextField(myjtextfield);

###Methods

Assign the text field write a limit, for example, if we were using a zip code, the limit would be 5. By default the text field limit is 20 characters.

Merely in the text field you can type only numbers (not including spaces), the default value is false.

Merely in the text field only you can type text (not including spaces), the default value is false.

Allows the blanks in the text field, regardless of whether any of the above methods has been executed, the default value is false.

Merely in the text field can be written only alphanumeric characters (not including spaces), the default value is false.

Resets the text field defaults

Merely in the text field can be written only certain characters that we provide these, also, are introduced into a text string as the second parameter of the constructor:

r1 = new RestrictedTextField(campoTexto, "abcde");