/**
* @param $controllerStr
* @param null $actionStr
* @param array $additionalParams
* @return mixed|null|ControllerInterface
*/
public function getController($controllerStr, $actionStr = null, $additionalParams = array())
{
$controller = null;
if (!empty($this->controllers[$controllerStr])) {
/* @var $controller ControllerInterface */
$controller = $this->controllers[$controllerStr];
} else {
if (!$this->configIsEmpty('namespace')) {
ControllerFactory::setConfig('namespace', $this->config('namespace'));
}
$controller = ControllerFactory::create($this, $controllerStr, $actionStr, $additionalParams);
$this->controllers[$controllerStr] = $controller;
}
if (!empty($controller)) {
$controller->resetParams();
if (!empty($additionalParams)) {
$controller->setParams($additionalParams);
}
if (!is_null($actionStr)) {
$controller->setCurrentAction($actionStr);
}
}
return $controller;
}
