--- /dev/null
+<?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;
+
+/**
+ * @author Jordi Boggiano <j.boggiano@seld.be>
+ */
+class CustomNormalizer extends SerializerAwareNormalizer implements NormalizerInterface, DenormalizerInterface
+{
+ /**
+ * {@inheritdoc}
+ */
+ public function normalize($object, $format = null, array $context = array())
+ {
+ return $object->normalize($this->serializer, $format, $context);
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function denormalize($data, $class, $format = null, array $context = array())
+ {
+ $object = new $class();
+ $object->denormalize($this->serializer, $data, $format, $context);
+
+ return $object;
+ }
+
+ /**
+ * Checks if the given class implements the NormalizableInterface.
+ *
+ * @param mixed $data Data to normalize
+ * @param string $format The format being (de-)serialized from or into
+ *
+ * @return bool
+ */
+ public function supportsNormalization($data, $format = null)
+ {
+ return $data instanceof NormalizableInterface;
+ }
+
+ /**
+ * Checks if the given class implements the NormalizableInterface.
+ *
+ * @param mixed $data Data to denormalize from
+ * @param string $type The class to which the data should be denormalized
+ * @param string $format The format being deserialized from
+ *
+ * @return bool
+ */
+ public function supportsDenormalization($data, $type, $format = null)
+ {
+ if (!class_exists($type)) {
+ return false;
+ }
+
+ return is_subclass_of($type, 'Symfony\Component\Serializer\Normalizer\DenormalizableInterface');
+ }
+}