* * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\Serializer\Normalizer; use Symfony\Component\Serializer\Exception\InvalidArgumentException; use Symfony\Component\Serializer\Exception\UnexpectedValueException; /** * Normalizes an object implementing the {@see \DateTimeInterface} to a date string. * Denormalizes a date string to an instance of {@see \DateTime} or {@see \DateTimeImmutable}. * * @author Kévin Dunglas */ class DateTimeNormalizer implements NormalizerInterface, DenormalizerInterface { const FORMAT_KEY = 'datetime_format'; /** * @var string */ private $format; /** * @param string $format */ public function __construct($format = \DateTime::RFC3339) { $this->format = $format; } /** * {@inheritdoc} * * @throws InvalidArgumentException */ public function normalize($object, $format = null, array $context = array()) { if (!$object instanceof \DateTimeInterface) { throw new InvalidArgumentException('The object must implement the "\DateTimeInterface".'); } $format = isset($context[self::FORMAT_KEY]) ? $context[self::FORMAT_KEY] : $this->format; return $object->format($format); } /** * {@inheritdoc} */ public function supportsNormalization($data, $format = null) { return $data instanceof \DateTimeInterface; } /** * {@inheritdoc} * * @throws UnexpectedValueException */ public function denormalize($data, $class, $format = null, array $context = array()) { try { return \DateTime::class === $class ? new \DateTime($data) : new \DateTimeImmutable($data); } catch (\Exception $e) { throw new UnexpectedValueException($e->getMessage(), $e->getCode(), $e); } } /** * {@inheritdoc} */ public function supportsDenormalization($data, $type, $format = null) { $supportedTypes = array( \DateTimeInterface::class => true, \DateTimeImmutable::class => true, \DateTime::class => true, ); return isset($supportedTypes[$type]); } }