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<?php | |
/** | |
* @file | |
* Contains \Drupal\file\Plugin\Validation\Constraint\FileValidationConstraintValidator. | |
*/ | |
namespace Drupal\file\Plugin\Validation\Constraint; | |
use Symfony\Component\Validator\Constraint; | |
use Symfony\Component\Validator\ConstraintValidator; | |
/** | |
* Checks that a file referenced in a file field is valid. | |
*/ | |
class FileValidationConstraintValidator extends ConstraintValidator { | |
/** | |
* {@inheritdoc} | |
*/ | |
public function validate($value, Constraint $constraint) { | |
// Get the file to execute validators. | |
$file = $value->get('entity')->getTarget()->getValue(); | |
// Get the validators. | |
$validators = $value->getUploadValidators(); | |
// Checks that a file meets the criteria specified by the validators. | |
if ($errors = file_validate($file, $validators)) { | |
foreach ($errors as $error) { | |
$this->context->addViolation($error); | |
} | |
} | |
} | |
} |