package br.com.caelum.stella.bean.validation.logic;
import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;
import br.com.caelum.stella.bean.validation.CPF;
import br.com.caelum.stella.validation.CPFValidator;
/**
* Valida a cadeia gerada através do método {@linkplain #toString()} para
* verificar se ela está de acordo com o padrão de CPF.
*
* @author Fabio Kung
* @author Leonardo Bessa
* @author David Paniz
*/
public class StellaCPFValidator implements ConstraintValidator<CPF, String> {
private CPFValidator stellaValidator;
public void initialize(CPF cpf) {
AnnotationMessageProducer messageProducer = new AnnotationMessageProducer(cpf);
stellaValidator = new CPFValidator(messageProducer, cpf.formatted());
}
public boolean isValid(String cpf, ConstraintValidatorContext context) {
if (cpf != null) {
if (cpf.trim().length() == 0) {
return true;
} else {
return stellaValidator.invalidMessagesFor(cpf).isEmpty();
}
} else {
return true;
}
}
}