ios - Non UIViewController Class in Swift -

i m new ios.

i want know how create non uiviewcontroller based class. mean class not extending uiviewcontroller.

i want because want phone call async http url , parse json/xml in non ui class. want them in separate class uiviewcontroller classs.

please help me

create new class without inheritance this:

class jsonobject{     var url: nsurl?      internal func parsejson() -> nsarray {         // code parse json          homecoming []     } }

and can create instance of class elsewhere using this:

var newjsonobject: jsonobject = jsonobject() newjsonobject.url = nsurl(string: "www.somejson.php") newjsonobject.parsejson()

ios class swift uiviewcontroller

Four