* * 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\BadMethodCallException; use Symfony\Component\Serializer\Exception\InvalidArgumentException; use Symfony\Component\Serializer\Exception\UnexpectedValueException; use Symfony\Component\Serializer\SerializerAwareInterface; use Symfony\Component\Serializer\SerializerInterface; /** * Denormalizes arrays of objects. * * @author Alexander M. Turek */ class ArrayDenormalizer implements DenormalizerInterface, SerializerAwareInterface { /** * @var SerializerInterface|DenormalizerInterface */ private $serializer; /** * {@inheritdoc} * * @throws UnexpectedValueException */ public function denormalize($data, $class, $format = null, array $context = array()) { if ($this->serializer === null) { throw new BadMethodCallException('Please set a serializer before calling denormalize()!'); } if (!is_array($data)) { throw new InvalidArgumentException('Data expected to be an array, '.gettype($data).' given.'); } if (substr($class, -2) !== '[]') { throw new InvalidArgumentException('Unsupported class: '.$class); } $serializer = $this->serializer; $class = substr($class, 0, -2); $builtinType = isset($context['key_type']) ? $context['key_type']->getBuiltinType() : null; foreach ($data as $key => $value) { if (null !== $builtinType && !call_user_func('is_'.$builtinType, $key)) { throw new UnexpectedValueException(sprintf('The type of the key "%s" must be "%s" ("%s" given).', $key, $builtinType, gettype($key))); } $data[$key] = $serializer->denormalize($value, $class, $format, $context); } return $data; } /** * {@inheritdoc} */ public function supportsDenormalization($data, $type, $format = null) { return substr($type, -2) === '[]' && $this->serializer->supportsDenormalization($data, substr($type, 0, -2), $format); } /** * {@inheritdoc} */ public function setSerializer(SerializerInterface $serializer) { if (!$serializer instanceof DenormalizerInterface) { throw new InvalidArgumentException('Expected a serializer that also implements DenormalizerInterface.'); } $this->serializer = $serializer; } }