www.aleph1.co.uk Git - yaffs-website/blob - vendor/symfony/validator/Constraints/IsNullValidator.php

   1 <?php
   2
   3 /*
   4  * This file is part of the Symfony package.
   5  *
   6  * (c) Fabien Potencier <fabien@symfony.com>
   7  *
   8  * For the full copyright and license information, please view the LICENSE
   9  * file that was distributed with this source code.
  10  */
  11
  12 namespace Symfony\Component\Validator\Constraints;
  13
  14 use Symfony\Component\Validator\Constraint;
  15 use Symfony\Component\Validator\ConstraintValidator;
  16 use Symfony\Component\Validator\Exception\UnexpectedTypeException;
  17
  18 /**
  19  * @author Bernhard Schussek <bschussek@gmail.com>
  20  */
  21 class IsNullValidator extends ConstraintValidator
  22 {
  23     /**
  24      * {@inheritdoc}
  25      */
  26     public function validate($value, Constraint $constraint)
  27     {
  28         if (!$constraint instanceof IsNull) {
  29             throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\IsNull');
  30         }
  31
  32         if (null !== $value) {
  33             $this->context->buildViolation($constraint->message)
  34                 ->setParameter('{{ value }}', $this->formatValue($value))
  35                 ->setCode(IsNull::NOT_NULL_ERROR)
  36                 ->addViolation();
  37         }
  38     }
  39 }