Пример #1
0
  @Override
  public void doPost(HttpServletRequest req, HttpServletResponse resp)
      throws ServletException, IOException {
    // Map for storing messages.
    Map<String, String> messages = new HashMap<String, String>();
    req.setAttribute("messages", messages);
    List<Reviews> reviewList = new ArrayList<Reviews>();

    // Retrieve and validate name.
    String userName = req.getParameter("username");
    String restaurantName = req.getParameter("restaurantname");
    String restaurantId = req.getParameter("restaurantid");

    List<Users> userList = new ArrayList<Users>();
    List<Restaurants> restaurantList = new ArrayList<Restaurants>();

    try {
      userList = usersDao.getUsersFromUserName(userName);
      restaurantList = restaurantsDao.getRestaurantByName(restaurantName);
    } catch (SQLException e) {
      e.printStackTrace();
      throw new IOException(e);
    }

    if (userName != null && !userName.trim().isEmpty()) {
      for (Users user : userList) {
        int userId = user.getUserId();
        try {
          reviewList.addAll(reviewsDao.getReviewsByUserId(userId));
        } catch (SQLException e) {
          e.printStackTrace();
          throw new IOException(e);
        }
      }
      req.setAttribute("reviews", reviewList);
    } else if (restaurantName != null && !restaurantName.trim().isEmpty()) {
      for (Restaurants rest : restaurantList) {
        String restId = rest.getRestaurantId();
        System.out.println(" rId:" + restId);
        try {
          reviewList.addAll(reviewsDao.getReviewsByRestaurantId(restId));
        } catch (SQLException e) {
          continue;
        }
      }
      req.setAttribute("reviews", reviewList);
    } else if (restaurantId != null && !restaurantId.trim().isEmpty()) {
      System.out.println(restaurantId);
      try {
        reviewList.addAll(reviewsDao.getReviewsByRestaurantId(restaurantId));
      } catch (SQLException e) {
        e.printStackTrace();
        throw new IOException(e);
      }
      req.setAttribute("reviews", reviewList);
    }
    req.getRequestDispatcher("/FindReviews.jsp").forward(req, resp);
  }
Пример #2
0
 @Override
 public void init() throws ServletException {
   reviewsDao = ReviewsDao.getInstance();
   usersDao = UsersDao.getInstance();
   restaurantsDao = RestaurantsDao.getInstance();
 }