4 * This file is part of the Symfony package.
6 * (c) Fabien Potencier <fabien@symfony.com>
8 * For the full copyright and license information, please view the LICENSE
9 * file that was distributed with this source code.
12 namespace Symfony\Component\Validator\Constraints;
14 use Symfony\Component\Validator\Constraint;
15 use Symfony\Component\Validator\ConstraintValidator;
16 use Symfony\Component\Validator\Exception\UnexpectedTypeException;
19 * @author Bernhard Schussek <bschussek@gmail.com>
21 class BlankValidator extends ConstraintValidator
26 public function validate($value, Constraint $constraint)
28 if (!$constraint instanceof Blank) {
29 throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\Blank');
32 if ('' !== $value && null !== $value) {
33 $this->context->buildViolation($constraint->message)
34 ->setParameter('{{ value }}', $this->formatValue($value))
35 ->setCode(Blank::NOT_BLANK_ERROR)