code: @Override
      public UserInfo getUserInfo(String userId) throws InstagramException {
  
          logger.info("Getting user info for : " + userId);
  
          Preconditions.checkEmptyString(userId, USER_ID_CANNOT_BE_NULL_OR_EMPTY);
  
          String apiMethod = format(Methods.USERS_WITH_ID, userId);
  
          return createInstagramObject(Verbs.GET, UserInfo.class, apiMethod, null);
      }
docs: /* (non-Javadoc)
  @see org.jinstagram.InstagramClient#getUserInfo(java.lang.String)