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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
declare(strict_types=1);
namespace Magento\Framework\View\Layout\Argument\Interpreter;
use Magento\Framework\App\ObjectManager;
use Magento\Framework\Data\Argument\InterpreterInterface;
use Magento\Framework\ObjectManagerInterface;
use Magento\Framework\Stdlib\BooleanUtils;
/**
* Interpreter that instantiates object by a class name
*/
class DataObject implements InterpreterInterface
{
/**
* @var \Magento\Framework\ObjectManagerInterface
*/
private $objectManager;
/**
* @var \Magento\Framework\Stdlib\BooleanUtils
*/
private $booleanUtils;
/**
* @var string|null
*/
private $expectedClass;
/**
* @param \Magento\Framework\ObjectManagerInterface $objectManager
* @param string|null $expectedClass
* @param \Magento\Framework\Stdlib\BooleanUtils|null $booleanUtils
*/
public function __construct(
ObjectManagerInterface $objectManager,
?string $expectedClass = null,
?BooleanUtils $booleanUtils = null
) {
$this->objectManager = $objectManager;
$this->expectedClass = $expectedClass;
$this->booleanUtils = $booleanUtils ?? ObjectManager::getInstance()->get(BooleanUtils::class);
}
/**
* @inheritdoc
*/
public function evaluate(array $data)
{
if (!isset($data['value'])) {
throw new \InvalidArgumentException('Object class name is missing.');
}
$shared = isset($data['shared']) ? $this->booleanUtils->toBoolean($data['shared']) : true;
$className = $data['value'];
$result = $shared ? $this->objectManager->get($className) : $this->objectManager->create($className);
if ($this->expectedClass && !$result instanceof $this->expectedClass) {
throw new \UnexpectedValueException(
\sprintf('Instance of %s is expected, got %s instead.', $this->expectedClass, \get_class($result))
);
}
return $result;
}
}