private void fillParamsMetadata(ApiAction action, MethodRef methodRef) throws ApiException {
final Class[] params = methodRef.getMethod().getParameterTypes();
for (final Class paramType : params) {
if (paramType.equals(RequestContext.class)) {
methodRef.addParam(RequestObjectParam.getInstance());
} else if (paramType.equals(HttpServletRequest.class)) {
methodRef.addParam(HttpServletRequestParam.getInstance());
} else if (paramType.equals(HttpServletResponse.class)) {
methodRef.addParam(HttpServletResponseParam.getInstance());
} else if (Model.class.isAssignableFrom(paramType) && action.getModelType() == null) {
methodRef.addParam(buildModelParam(paramType));
action.setModelType(paramType);
} else {
throw new ApiException(
"Unexpected action parameter " + paramType.getName() + " for action " + action);
}
}
}
