<?php
/**
* Factory of REST request deserializers.
*
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Framework\Webapi\Rest\Request;

use Magento\Framework\Phrase;

class DeserializerFactory
{
/**
* @var \Magento\Framework\ObjectManagerInterface
*/
protected $_objectManager;

/**
* @var array
*/
protected $_deserializers;

/**
* @param \Magento\Framework\ObjectManagerInterface $objectManager
* @param array $deserializers
*/
public function __construct(
\Magento\Framework\ObjectManagerInterface $objectManager,
array $deserializers = []
) {
$this->_objectManager = $objectManager;
$this->_deserializers = $deserializers;
}

/**
* Retrieve proper deserializer for the specified content type.
*
* @param string $contentType
* @return \Magento\Framework\Webapi\Rest\Request\DeserializerInterface
* @throws \LogicException|\Magento\Framework\Webapi\Exception
*/
public function get($contentType)
{
if (empty($this->_deserializers)) {
throw new \LogicException('Request deserializer adapter is not set.');
}
foreach ($this->_deserializers as $deserializerMetadata) {
$deserializerType = $deserializerMetadata['type'];
if ($deserializerType == $contentType) {
$deserializerClass = $deserializerMetadata['model'];
break;
}
}

if (!isset($deserializerClass) || empty($deserializerClass)) {
throw new \Magento\Framework\Webapi\Exception(
new Phrase('Server cannot understand Content-Type HTTP header media type %1', [$contentType])
);
}

$deserializer = $this->_objectManager->get($deserializerClass);
if (!$deserializer instanceof \Magento\Framework\Webapi\Rest\Request\DeserializerInterface) {
throw new \LogicException(
'The deserializer must implement "Magento\Framework\Webapi\Rest\Request\DeserializerInterface".'
);
}
return $deserializer;
}
}