{
MaskFormatter mask = getMaskFormatter("###.###.###-##");
mask.setValueContainsLiteralCharacters(false);
mask.setPlaceholderCharacter('_');
CPFVerifier verifier = new CPFVerifier();
verifier.setOutput(output);
JFormattedTextField field = new JFormattedTextField(mask);
field.setFocusLostBehavior(JFormattedTextField.COMMIT);
field.setInputVerifier(verifier);
return field;
}