Chris@0: <?php
Chris@0: 
Chris@0: /*
Chris@0:  * This file is part of the Symfony package.
Chris@0:  *
Chris@0:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@0:  *
Chris@0:  * For the full copyright and license information, please view the LICENSE
Chris@0:  * file that was distributed with this source code.
Chris@0:  */
Chris@0: 
Chris@0: namespace Symfony\Component\Validator\Constraints;
Chris@0: 
Chris@0: use Symfony\Component\Validator\Constraint;
Chris@0: use Symfony\Component\Validator\ConstraintValidator;
Chris@0: use Symfony\Component\Validator\Exception\ConstraintDefinitionException;
Chris@0: use Symfony\Component\Validator\Exception\UnexpectedTypeException;
Chris@0: 
Chris@0: /**
Chris@0:  * Validator for Callback constraint.
Chris@0:  *
Chris@0:  * @author Bernhard Schussek <bschussek@gmail.com>
Chris@0:  */
Chris@0: class CallbackValidator extends ConstraintValidator
Chris@0: {
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function validate($object, Constraint $constraint)
Chris@0:     {
Chris@0:         if (!$constraint instanceof Callback) {
Chris@0:             throw new UnexpectedTypeException($constraint, __NAMESPACE__.'\Callback');
Chris@0:         }
Chris@0: 
Chris@0:         $method = $constraint->callback;
Chris@0:         if ($method instanceof \Closure) {
Chris@0:             $method($object, $this->context, $constraint->payload);
Chris@0:         } elseif (is_array($method)) {
Chris@0:             if (!is_callable($method)) {
Chris@0:                 if (isset($method[0]) && is_object($method[0])) {
Chris@0:                     $method[0] = get_class($method[0]);
Chris@0:                 }
Chris@0:                 throw new ConstraintDefinitionException(sprintf('%s targeted by Callback constraint is not a valid callable', json_encode($method)));
Chris@0:             }
Chris@0: 
Chris@0:             call_user_func($method, $object, $this->context, $constraint->payload);
Chris@0:         } elseif (null !== $object) {
Chris@0:             if (!method_exists($object, $method)) {
Chris@0:                 throw new ConstraintDefinitionException(sprintf('Method "%s" targeted by Callback constraint does not exist in class %s', $method, get_class($object)));
Chris@0:             }
Chris@0: 
Chris@0:             $reflMethod = new \ReflectionMethod($object, $method);
Chris@0: 
Chris@0:             if ($reflMethod->isStatic()) {
Chris@0:                 $reflMethod->invoke(null, $object, $this->context, $constraint->payload);
Chris@0:             } else {
Chris@0:                 $reflMethod->invoke($object, $this->context, $constraint->payload);
Chris@0:             }
Chris@0:         }
Chris@0:     }
Chris@0: }