checks if this is a valid command or not . mainly if its just an empty string concode_field_sep String rawParameters concode_elem_sep boolean hasArgs concode_elem_sep HashMap<String,String> params concode_elem_sep String command concode_elem_sep String rawCommand concode_field_sep String[] getExternalArgs concode_elem_sep long getLong concode_elem_sep int getInt concode_elem_sep boolean hasArguments concode_elem_sep boolean isSet concode_elem_sep String getCommand concode_elem_sep String[] getExternalCommand concode_elem_sep String toString concode_elem_sep String getString concode_elem_sep String parameters concode_elem_sep boolean getBool concode_elem_sep void parseCommand