eamonnfaherty/gist:2044238

## gistfile1.as
                //if you can use polymorphism instead of a switch
                return _appRequest.marshaller(_payloadSerializer);

                //If your TargettedAppRequest class is part of another api use an adapter wrapper
                return new MyAppRequestAdapter(_appRequest).marshaller(_payloadSerializer);

//thinking behind - factories are handy for complex object creation and for families of related objects but for this I would use an adapter class with the switch inside it - I find them easier to read.
	//if you can use polymorphism instead of a switch
	return _appRequest.marshaller(_payloadSerializer);

	//If your TargettedAppRequest class is part of another api use an adapter wrapper
	return new MyAppRequestAdapter(_appRequest).marshaller(_payloadSerializer);

	//thinking behind - factories are handy for complex object creation and for families of related objects but for this I would use an adapter class with the switch inside it - I find them easier to read.