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