Файл: symfony-2.7/src/Symfony/Component/Validator/Constraints/CallbackValidator.php
Строк: 132
<?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 SymfonyComponentValidatorConstraints;
use SymfonyComponentValidatorConstraint;
use SymfonyComponentValidatorConstraintValidator;
use SymfonyComponentValidatorExceptionConstraintDefinitionException;
use SymfonyComponentValidatorExceptionUnexpectedTypeException;
/**
* Validator for Callback constraint.
*
* @author Bernhard Schussek <bschussek@gmail.com>
*
* @api
*/
class CallbackValidator extends ConstraintValidator
{
/**
* {@inheritdoc}
*/
public function validate($object, Constraint $constraint)
{
if (!$constraint instanceof Callback) {
throw new UnexpectedTypeException($constraint, __NAMESPACE__.'Callback');
}
if (null !== $constraint->callback && null !== $constraint->methods) {
throw new ConstraintDefinitionException(
'The Callback constraint supports either the option "callback" '.
'or "methods", but not both at the same time.'
);
}
// has to be an array so that we can differentiate between callables
// and method names
if (null !== $constraint->methods && !is_array($constraint->methods)) {
throw new UnexpectedTypeException($constraint->methods, 'array');
}
$methods = $constraint->methods ?: array($constraint->callback);
foreach ($methods as $method) {
if ($method instanceof Closure) {
$method($object, $this->context);
} elseif (is_array($method)) {
if (!is_callable($method)) {
throw new ConstraintDefinitionException(sprintf('"%s::%s" targeted by Callback constraint is not a valid callable', $method[0], $method[1]));
}
call_user_func($method, $object, $this->context);
} elseif (null !== $object) {
if (!method_exists($object, $method)) {
throw new ConstraintDefinitionException(sprintf('Method "%s" targeted by Callback constraint does not exist', $method));
}
$reflMethod = new ReflectionMethod($object, $method);
if ($reflMethod->isStatic()) {
$reflMethod->invoke(null, $object, $this->context);
} else {
$reflMethod->invoke($object, $this->context);
}
}
}
}
}