Factory Methods

gistfile1.as

		public function create() : FacebookBaseAppRequestMarshaller
		{
			if (_appRequest is TargettedAppRequest)
			{
				return new FacebookTargettedAppRequestMarshaller(_appRequest as TargettedAppRequest, _payloadSerializer)
			}
			else if (_appRequest is FriendSelectorAppReqeust)
			{
				return new FacebookFriendSelectorAppRequestMarshaller(_appRequest as FriendSelectorAppReqeust, _payloadSerializer);
			}
			
			throw new ArgumentError("Facebook does not support the supplied AppRequest type: " + getQualifiedClassName(_appRequest));
		}