private void fillValidatorMetadata(ApiAction action, Method method) throws ApiException {
RequestValidator requestValidatorAnnotation = method.getAnnotation(RequestValidator.class);
if (requestValidatorAnnotation != null) {
final Class<? extends ParamsValidator>[] validatorClasses =
requestValidatorAnnotation.value();
if (validatorClasses.length == 0) {
throw new ApiException("Validator is not specified for " + action);
}
addValidators(action, requestValidatorAnnotation, validatorClasses);
}
RequestParamsValidator paramsValidatorAnnotation =
method.getAnnotation(RequestParamsValidator.class);
if (paramsValidatorAnnotation != null) {
final String[] required = paramsValidatorAnnotation.required();
action.addRequestValidator(new SimpleRequestParamsValidator(required));
}
}
private void addValidators(
ApiAction action,
RequestValidator requestValidatorAnnotation,
Class<? extends ParamsValidator>[] validatorTypes)
throws ApiException {
final String[] customParams = requestValidatorAnnotation.params();
for (Class<? extends ParamsValidator> each : validatorTypes) {
final ParamsValidator validator = getParamsValidator(each, customParams);
if (validator != null) {
action.addRequestValidator(validator);
}
}
}