Chris@0: <?php
Chris@0: 
Chris@0: /*
Chris@0:  * This file is part of the Symfony package.
Chris@0:  *
Chris@0:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@0:  *
Chris@0:  * For the full copyright and license information, please view the LICENSE
Chris@0:  * file that was distributed with this source code.
Chris@0:  */
Chris@0: 
Chris@0: namespace Symfony\Component\Serializer\Normalizer;
Chris@0: 
Chris@0: use Symfony\Component\Serializer\Exception\BadMethodCallException;
Chris@0: use Symfony\Component\Serializer\Exception\InvalidArgumentException;
Chris@0: use Symfony\Component\Serializer\Exception\UnexpectedValueException;
Chris@0: use Symfony\Component\Serializer\SerializerAwareInterface;
Chris@0: use Symfony\Component\Serializer\SerializerInterface;
Chris@0: 
Chris@0: /**
Chris@0:  * Denormalizes arrays of objects.
Chris@0:  *
Chris@0:  * @author Alexander M. Turek <me@derrabus.de>
Chris@0:  */
Chris@0: class ArrayDenormalizer implements DenormalizerInterface, SerializerAwareInterface
Chris@0: {
Chris@0:     /**
Chris@0:      * @var SerializerInterface|DenormalizerInterface
Chris@0:      */
Chris@0:     private $serializer;
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      *
Chris@0:      * @throws UnexpectedValueException
Chris@0:      */
Chris@0:     public function denormalize($data, $class, $format = null, array $context = array())
Chris@0:     {
Chris@0:         if ($this->serializer === null) {
Chris@0:             throw new BadMethodCallException('Please set a serializer before calling denormalize()!');
Chris@0:         }
Chris@0:         if (!is_array($data)) {
Chris@0:             throw new InvalidArgumentException('Data expected to be an array, '.gettype($data).' given.');
Chris@0:         }
Chris@0:         if (substr($class, -2) !== '[]') {
Chris@0:             throw new InvalidArgumentException('Unsupported class: '.$class);
Chris@0:         }
Chris@0: 
Chris@0:         $serializer = $this->serializer;
Chris@0:         $class = substr($class, 0, -2);
Chris@0: 
Chris@0:         $builtinType = isset($context['key_type']) ? $context['key_type']->getBuiltinType() : null;
Chris@0:         foreach ($data as $key => $value) {
Chris@0:             if (null !== $builtinType && !call_user_func('is_'.$builtinType, $key)) {
Chris@0:                 throw new UnexpectedValueException(sprintf('The type of the key "%s" must be "%s" ("%s" given).', $key, $builtinType, gettype($key)));
Chris@0:             }
Chris@0: 
Chris@0:             $data[$key] = $serializer->denormalize($value, $class, $format, $context);
Chris@0:         }
Chris@0: 
Chris@0:         return $data;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function supportsDenormalization($data, $type, $format = null)
Chris@0:     {
Chris@0:         return substr($type, -2) === '[]'
Chris@0:             && $this->serializer->supportsDenormalization($data, substr($type, 0, -2), $format);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     public function setSerializer(SerializerInterface $serializer)
Chris@0:     {
Chris@0:         if (!$serializer instanceof DenormalizerInterface) {
Chris@0:             throw new InvalidArgumentException('Expected a serializer that also implements DenormalizerInterface.');
Chris@0:         }
Chris@0: 
Chris@0:         $this->serializer = $serializer;
Chris@0:     }
Chris@0: }