public   static   boolean  validateModelRule(Object bean, ValidatorAction va, Field field, ActionErrors errors, HttpServletRequest request) {

		String value =  null ;
		 if  (isString(bean)) {
			value = (String) bean;
		}  else  {
			value = ValidatorUtil.getValueAsString(bean, field.getProperty());
		}

		String fromValue = ValidatorUtil.getValueAsString(bean, field.getVarValue("fromField"));
		String toValue = ValidatorUtil.getValueAsString(bean, field.getVarValue("toField"));

		 final   boolean  isModelSelected = !GenericValidator.isBlankOrNull(value);
		 final   boolean  isFromToNotEmpty = (!GenericValidator.isBlankOrNull(fromValue) || !GenericValidator.isBlankOrNull(toValue));
		 final   boolean  modelRule = isFromToNotEmpty && !isModelSelected;
	
		 if  (modelRule) {
			errors.add(field.getKey(), Resources.getActionError(request, va, field));
		}
		 return  modelRule;

	}