<?php
/**
* ObjectManager configuration loader
*
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
namespace Magento\Framework\App\ObjectManager;

use Magento\Framework\ObjectManager\ConfigLoaderInterface;
use Magento\Framework\Serialize\Serializer\Serialize;
use Magento\Framework\Serialize\SerializerInterface;

class ConfigLoader implements ConfigLoaderInterface
{
/**
* Config reader
*
* @var \Magento\Framework\ObjectManager\Config\Reader\Dom
*/
protected $_reader;

/**
* Config reader factory
*
* @var \Magento\Framework\ObjectManager\Config\Reader\DomFactory
*/
protected $_readerFactory;

/**
* Cache
*
* @var \Magento\Framework\Config\CacheInterface
*/
protected $_cache;

/**
* @var SerializerInterface
*/
private $serializer;

/**
* @param \Magento\Framework\Config\CacheInterface $cache
* @param \Magento\Framework\ObjectManager\Config\Reader\DomFactory $readerFactory
*/
public function __construct(
\Magento\Framework\Config\CacheInterface $cache,
\Magento\Framework\ObjectManager\Config\Reader\DomFactory $readerFactory
) {
$this->_cache = $cache;
$this->_readerFactory = $readerFactory;
}

/**
* Get reader instance
*
* @return \Magento\Framework\ObjectManager\Config\Reader\Dom
*/
protected function _getReader()
{
if (empty($this->_reader)) {
$this->_reader = $this->_readerFactory->create();
}
return $this->_reader;
}

/**
* {inheritdoc}
*/
public function load($area)
{
$cacheId = $area . '::DiConfig';
$data = $this->_cache->load($cacheId);

if (!$data) {
$data = $this->_getReader()->read($area);
$this->_cache->save($this->getSerializer()->serialize($data), $cacheId);
} else {
$data = $this->getSerializer()->unserialize($data);
}

return $data;
}

/**
* Get serializer
*
* @return SerializerInterface
* @deprecated 101.0.0
*/
private function getSerializer()
{
if (null === $this->serializer) {
$this->serializer = \Magento\Framework\App\ObjectManager::getInstance()->get(Serialize::class);
}
return $this->serializer;
}
}