public static boolean isWrapperClassExists(Method method) { Wrapper requestWrapper = new RequestWrapper(); requestWrapper.setMethod(method); try { requestWrapper.getWrapperClass(); boolean isOneWay = method.isAnnotationPresent(Oneway.class); if (!isOneWay) { Wrapper responseWrapper = new ResponseWrapper(); responseWrapper.setMethod(method); responseWrapper.getWrapperClass(); } } catch (Exception e) { return false; } return true; }