<?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\ExtraAttributesException;
use Symfony\Component\Serializer\Exception\InvalidArgumentException;
use Symfony\Component\Serializer\Exception\LogicException;
use Symfony\Component\Serializer\Exception\RuntimeException;
use Symfony\Component\Serializer\Exception\UnexpectedValueException;

/**
 * Defines the interface of denormalizers.
 *
 * @author Jordi Boggiano <j.boggiano@seld.be>
 */
interface DenormalizerInterface
{
    /**
     * Denormalizes data back into an object of the given class.
     *
     * @param mixed  $data    Data to restore
     * @param string $class   The expected class to instantiate
     * @param string $format  Format the given data was extracted from
     * @param array  $context Options available to the denormalizer
     *
     * @return object
     *
     * @throws BadMethodCallException   Occurs when the normalizer is not called in an expected context
     * @throws InvalidArgumentException Occurs when the arguments are not coherent or not supported
     * @throws UnexpectedValueException Occurs when the item cannot be hydrated with the given data
     * @throws ExtraAttributesException Occurs when the item doesn't have attribute to receive given data
     * @throws LogicException           Occurs when the normalizer is not supposed to denormalize
     * @throws RuntimeException         Occurs if the class cannot be instantiated
     */
    public function denormalize($data, $class, $format = null, array $context = array());

    /**
     * Checks whether the given class is supported for denormalization by this normalizer.
     *
     * @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);
}
