public function start()
{
try {
// call the router and check whether the given url can be matched to any route
$this->router = Router::getInstance();
// fill in the parameters
$params = Params::getInstance();
$params->setRequest(Request::getInstance());
$params->setRouter(Router::getInstance());
// call the given controllers given action
$controllerName = $this->router->getController();
$actionName = $this->router->getAction();
// instantiate the controller
if (class_exists($controllerName)) {
$controller = new $controllerName();
} else {
throw new \Exception("The class '{$controllerName}' in routing configuration isn't exists", 404);
}
// call the given action and get the viewmodel from it
if (in_array($actionName, get_class_methods($controllerName))) {
$controller->onDispatch($this);
$view = $controller->{$actionName}();
} else {
throw new \Exception("The method '{$actionName}' isn't a callable!", 404);
}
if (is_object($view) && in_array('System\\StdLib\\View\\ViewInterface', class_implements($view))) {
$controller->getLayout()->render($view);
} else {
throw new \Exception("No valid viewmodels returned. Returned viewmodels should implement 'System\\StdLib\\View\\ViewInterface'");
}
} catch (\Exception $e) {
die($e->getMessage());
$this->displayFatalErrors($e);
}
// end
}
/**
* @return \System\StdLib\Controller\Plugin\Params
*/
protected function params()
{
return Params::getInstance();
}