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