self class alloc for controllers equivalent in Swift - objective-c

Question

I had a class UIBaseClassViewController with convenient functions in objective c.Now i'm switching to swift and i'm trying to convert it's code into swift.the function giving me problem is
+(UIBaseClassViewController*)getController
{
return [[[self class] alloc] initWithNibName:NSStringFromClass([self class]) bundle:[NSBundle mainBundle]];
}
i was able to convert it but it's not working fine
static func getController() -> Self
{
print("sam controller class = \(String(describing:self))")
print("SAM controller = \(self.init(nibName: String(describing:self), bundle:Bundle.main))")
return self.init(nibName: String(describing:self), bundle:Bundle.main)
}
Output:
sam controller class = UILoginViewController
SAM controller = <Swift_And_Node.UIBaseClassViewController: 0x7f8a4ee13830>
created object is of type UIBaseClassViewController.it loads the nib fine but as object is of UIBaseClassViewController app crashes because it was not able to find functions in UIBaseClassViewController which are in UILoginViewController.
How can i make it create object of child class instead of parent.UILoginViewController in this case
for better Understanding showing adding code:
UIBaseClassViewController:
class UIBaseClassViewController: UIViewController {
static func getController() -> Self
{
print("sam controller class = \(String(describing:self))")
print("SAM controller = \(self.init(nibName: String(describing:self), bundle:Bundle.main))")
var object = self
return self.init(nibName: String(describing:self), bundle:Bundle.main)
}
}
UILoginViewController:
class UILoginViewController: UIBaseClassViewController {}
3rd controller who need UILoginViewController:
UILoginViewController.getController()

Answer 1

You either have to call this static function on desired view controller class or not making it static at all. Please see the example below to see how it works in Swift.
class ParentView: UIView {
static func printSelf() {
print(String(describing: self))
}
}
class ChildView: ParentView {}
ParentView.printSelf() // Prints ParentView
ChildView.printSelf() // Prints ChildView

Answer 2

Turns out we don't need to mention nib and bundle for controller object...I moved from objective c and these things are necessary there.
with
[[UILoginViewController alloc] init]
app will show black screen.
In swift we can just use UILoginViewController() and it will automatically associate nib with the controller object.
so to answer my question i just used
self.init()
instead of
self.init(nibName: String(describing:self), bundle:Bundle.main)