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<?php
/**
* Joomla! Content Management System
*
* @copyright (C) 2021 Open Source Matters, Inc. <https://www.joomla.org>
* @license GNU General Public License version 2 or later; see LICENSE.txt
*/
namespace Joomla\CMS\Helper;
use Joomla\Database\DatabaseAwareInterface;
use Joomla\Database\DatabaseAwareTrait;
// phpcs:disable PSR1.Files.SideEffects
\defined('_JEXEC') or die;
// phpcs:enable PSR1.Files.SideEffects
/**
* Namespace based implementation of the HelperFactoryInterface
*
* @since 4.0.0
*/
class HelperFactory implements HelperFactoryInterface
{
use DatabaseAwareTrait;
/**
* The extension namespace
*
* @var string
*
* @since 4.0.0
*/
private $namespace;
/**
* HelperFactory constructor.
*
* @param string $namespace The namespace
*
* @since 4.0.0
*/
public function __construct(string $namespace)
{
$this->namespace = $namespace;
}
/**
* Returns a helper instance for the given name.
*
* @param string $name The name
* @param array $config The config
*
* @return \stdClass
*
* @since 4.0.0
*/
public function getHelper(string $name, array $config = [])
{
$className = '\\' . trim($this->namespace, '\\') . '\\' . $name;
if (!class_exists($className)) {
return null;
}
$helper = new $className($config);
if ($helper instanceof DatabaseAwareInterface) {
$helper->setDatabase($this->getDatabase());
}
return $helper;
}
}