private IController CreateControllerInstance(RequestContext requestContext)
{
var currentVersion = requestContext.RouteData.Values.ContainsKey(_configuration.ApiVersionKey)
? requestContext.RouteData.Values[_configuration.ApiVersionKey].ToString()
: _configuration.DefaultControllerVersion;
var controllerVersionedTypeName = string.Format(
"{0}{1}Controller",
ControllerName(requestContext),
_configuration.TryGetControllerPostfix(currentVersion));
var controllerDefaultTypeName = string.Format(
"{0}{1}Controller",
ControllerName(requestContext),
_configuration.TryGetControllerPostfix(_configuration.DefaultControllerVersion));
var typeType = TypesFinder.FindTypeInExecutingAssembly(controllerVersionedTypeName) ??
TypesFinder.FindTypeInExecutingAssembly(controllerDefaultTypeName);
var controller = Activator.CreateInstance(typeType) as IController;
return(controller);
}