rss-bridge/lib/ActionFactory.php

<?php
/**
 * This file is part of RSS-Bridge, a PHP project capable of generating RSS and
 * Atom feeds for websites that don't have one.
 *
 * For the full license information, please view the UNLICENSE file distributed
 * with this source code.
 *
 * @package	Core
 * @license	http://unlicense.org/ UNLICENSE
 * @link	https://github.com/rss-bridge/rss-bridge
 */

class ActionFactory
{
	private $folder;

	public function __construct(string $folder = PATH_LIB_ACTIONS)
	{
		$this->folder = $folder;
	}

	/**
	 * @param string $name The name of the action e.g. "Display", "List", or "Connectivity"
	 */
	public function create(string $name): ActionInterface
	{
		$name = ucfirst(strtolower($name)) . 'Action';
		$filePath = $this->folder . $name . '.php';
		if(!file_exists($filePath)) {
			throw new \Exception('Invalid action');
		}
		$className = '\\' . $name;
		return new $className();
	}
}