<?php
/**
 * Joomla! Content Management System
 *
 * @copyright  Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
 * @license    GNU General Public License version 2 or later; see LICENSE.txt
 */

namespace Joomla\CMS\Cache;

defined('_JEXEC') or die;

/**
 * Default factory for creating CacheController objects
 *
 * @since  4.0.0
 */
class CacheControllerFactory implements CacheControllerFactoryInterface
{
	/**
	 * Method to get an instance of a cache controller.
	 *
	 * @param   string  $type     The cache object type to instantiate
	 * @param   array   $options  Array of options
	 *
	 * @return  CacheController
	 *
	 * @since   4.0.0
	 * @throws  \RuntimeException
	 */
	public function createCacheController($type = 'output', $options = array()): CacheController
	{
		if (!$type)
		{
			$type = 'output';
		}

		$type = strtolower(preg_replace('/[^A-Z0-9_\.-]/i', '', $type));

		$class = __NAMESPACE__ . '\\Controller\\' . ucfirst($type) . 'Controller';

		// The class should now be loaded
		if (!class_exists($class))
		{
			throw new \RuntimeException('Unable to load Cache Controller: ' . $type, 500);
		}

		return new $class($options);
	}
}