* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\Validator\Constraints; use Symfony\Component\Validator\Constraint; use Symfony\Component\Validator\ConstraintValidator; use Symfony\Component\Validator\Exception\UnexpectedTypeException; /** * @author Bernhard Schussek */ class BlankValidator extends ConstraintValidator { /** * {@inheritdoc} */ public function validate($value, Constraint $constraint) { if (!$constraint instanceof Blank) { throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\Blank'); } if ('' !== $value && null !== $value) { $this->context->buildViolation($constraint->message) ->setParameter('{{ value }}', $this->formatValue($value)) ->setCode(Blank::NOT_BLANK_ERROR) ->addViolation(); } } }