Simplify dispatcher code and load language files when needed

libraries/src/Dispatcher/Dispatcher.php

@@ -12,6 +12,7 @@
 
 use Joomla\CMS\Access\Exception\NotAllowed;
 use Joomla\CMS\Application\CMSApplication;
+use Joomla\CMS\Component\ComponentHelper;
 use Joomla\CMS\Form\FormFactoryAwareInterface;
 use Joomla\CMS\MVC\Controller\BaseController;
 use Joomla\Input\Input;
@@ -82,16 +83,11 @@ public function __construct(CMSApplication $app, Input $input = null)
 		// If option is not provided, detect it from dispatcher class name, ie ContentDispatcher
 		if (empty($this->option))
 		{
-			$className = get_class($this);
-			$pos       = strpos($className, 'Dispatcher');
-
-			if ($pos !== false)
-			{
-				$this->option = 'com_' . strtolower(substr($className, 0, $pos));
-			}
+			$this->option = ComponentHelper::getComponentName(
+				$this,
+				strtolower(str_replace('Dispatcher', '', get_class($this)))
+			);
 		}
-
-		$this->loadLanguage();
 	}
 
 	/**
@@ -133,6 +129,8 @@ protected function checkAccess()
 	 */
 	public function dispatch()
 	{
+		$this->loadLanguage();
+
 		// Check component access permission
 		$this->checkAccess();