<?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; use Symfony\Component\Validator\Constraints\Valid; use Symfony\Component\Validator\Exception\ValidatorException; use Symfony\Component\Translation\TranslatorInterface; /** * Default implementation of {@link ValidatorInterface}. * * @author Fabien Potencier <fabien@symfony.com> * @author Bernhard Schussek <bschussek@gmail.com> */ class Validator implements ValidatorInterface { /** * @var MetadataFactoryInterface */ private $metadataFactory; /** * @var ConstraintValidatorFactoryInterface */ private $validatorFactory; /** * @var TranslatorInterface */ private $translator; /** * @var null|string */ private $translationDomain; /** * @var array */ private $objectInitializers; public function __construct( MetadataFactoryInterface $metadataFactory, ConstraintValidatorFactoryInterface $validatorFactory, TranslatorInterface $translator, $translationDomain = 'validators', array $objectInitializers = array() ) { $this->metadataFactory = $metadataFactory; $this->validatorFactory = $validatorFactory; $this->translator = $translator; $this->translationDomain = $translationDomain; $this->objectInitializers = $objectInitializers; } /** * {@inheritdoc} */ public function getMetadataFactory() { return $this->metadataFactory; } /** * {@inheritDoc} */ public function getMetadataFor($value) { return $this->metadataFactory->getMetadataFor($value); } /** * {@inheritDoc} */ public function validate($value, $groups = null, $traverse = false, $deep = false) { $visitor = $this->createVisitor($value); foreach ($this->resolveGroups($groups) as $group) { $visitor->validate($value, $group, '', $traverse, $deep); } return $visitor->getViolations(); } /** * {@inheritDoc} * * @throws ValidatorException If the metadata for the value does not support properties. */ public function validateProperty($containingValue, $property, $groups = null) { $visitor = $this->createVisitor($containingValue); $metadata = $this->metadataFactory->getMetadataFor($containingValue); if (!$metadata instanceof PropertyMetadataContainerInterface) { $valueAsString = is_scalar($containingValue) ? '"'.$containingValue.'"' : 'the value of type '.gettype($containingValue); throw new ValidatorException(sprintf('The metadata for %s does not support properties.', $valueAsString)); } foreach ($this->resolveGroups($groups) as $group) { if (!$metadata->hasPropertyMetadata($property)) { continue; } foreach ($metadata->getPropertyMetadata($property) as $propMeta) { $propMeta->accept($visitor, $propMeta->getPropertyValue($containingValue), $group, $property); } } return $visitor->getViolations(); } /** * {@inheritDoc} * * @throws ValidatorException If the metadata for the value does not support properties. */ public function validatePropertyValue($containingValue, $property, $value, $groups = null) { $visitor = $this->createVisitor($containingValue); $metadata = $this->metadataFactory->getMetadataFor($containingValue); if (!$metadata instanceof PropertyMetadataContainerInterface) { $valueAsString = is_scalar($containingValue) ? '"'.$containingValue.'"' : 'the value of type '.gettype($containingValue); throw new ValidatorException(sprintf('The metadata for '.$valueAsString.' does not support properties.')); } foreach ($this->resolveGroups($groups) as $group) { if (!$metadata->hasPropertyMetadata($property)) { continue; } foreach ($metadata->getPropertyMetadata($property) as $propMeta) { $propMeta->accept($visitor, $value, $group, $property); } } return $visitor->getViolations(); } /** * {@inheritDoc} */ public function validateValue($value, $constraints, $groups = null) { $context = new ExecutionContext($this->createVisitor($value), $this->translator, $this->translationDomain); $constraints = is_array($constraints) ? $constraints : array($constraints); foreach ($constraints as $constraint) { if ($constraint instanceof Valid) { // Why can't the Valid constraint be executed directly? // // It cannot be executed like regular other constraints, because regular // constraints are only executed *if they belong to the validated group*. // The Valid constraint, on the other hand, is always executed and propagates // the group to the cascaded object. The propagated group depends on // // * Whether a group sequence is currently being executed. Then the default // group is propagated. // // * Otherwise the validated group is propagated. throw new ValidatorException( sprintf( 'The constraint %s cannot be validated. Use the method validate() instead.', get_class($constraint) ) ); } $context->validateValue($value, $constraint, '', $groups); } return $context->getViolations(); } /** * @param mixed $root * * @return ValidationVisitor */ private function createVisitor($root) { return new ValidationVisitor( $root, $this->metadataFactory, $this->validatorFactory, $this->translator, $this->translationDomain, $this->objectInitializers ); } /** * @param null|string|string[] $groups * * @return string[] */ private function resolveGroups($groups) { return $groups ? (array) $groups : array(Constraint::DEFAULT_GROUP); } }