Exemplo n.º 1
0
  public static boolean checkGuest(GuestEntities guest) {

    Statement stmt = null;
    String searchQuery = "Select * From guest where username = '" + guest.getUserName() + "'";
    boolean ableToCreate = false;
    // get the last member ID
    try {

      currentCon = DBConnectionManager.getConnection();
      stmt = currentCon.createStatement();
      rs = stmt.executeQuery(searchQuery);
      boolean more = rs.next();

      if (!more) {
        ableToCreate = true;
      } else {
        ableToCreate = false;
      }

    } catch (Exception ex) {

      System.out.println("Registration failed: An Exception has occurred! " + ex);
    }

    // exception handling
    finally {
      if (rs != null) {
        try {
          rs.close();
        } catch (Exception e) {
        }
        rs = null;
      }

      if (stmt != null) {
        try {
          stmt.close();
        } catch (Exception e) {
        }
        stmt = null;
      }

      if (currentCon != null) {
        try {
          currentCon.close();
        } catch (Exception e) {
        }

        currentCon = null;
      }
    }
    return ableToCreate;
  }
Exemplo n.º 2
0
  public static GuestEntities guestRegister(GuestEntities guest) {

    Statement stmt = null;
    int maxId = 0;
    int currentId;
    // get the last member ID
    try {
      currentCon = DBConnectionManager.getConnection();
      stmt = currentCon.createStatement();
      String getMax = "select * from guest";
      rs1 = stmt.executeQuery(getMax);
      while (rs1.next()) {
        String membershipNo = rs1.getString("membershipNo");
        currentId = Integer.parseInt(membershipNo);
        if (currentId > maxId) {
          maxId = currentId;
        }
      }

      int nextId = maxId + 1;
      DecimalFormat df = new DecimalFormat("000000000");
      String newMembershipNo;
      newMembershipNo = df.format(nextId).toString();
      guest.setMembershipNo(newMembershipNo);
      currentCon = DBConnectionManager.getConnection();
      stmt = currentCon.createStatement();
      // query for inserting into the table
      String query =
          "insert into guest(userName, password, firstName, lastName, membershipNo, gender, nationality, dob, address, occupation, membership, points, roomNumber, cost) values(?,?,?,?,?,?,?,?,?,?,?,?,?,?)";
      pstmt = currentCon.prepareStatement(query);
      // inserting values
      pstmt.setString(1, guest.getUserName());
      pstmt.setString(2, guest.getPassword());
      pstmt.setString(3, guest.getFirstName());
      pstmt.setString(4, guest.getLastName());
      pstmt.setString(5, newMembershipNo);
      pstmt.setString(6, guest.getGender());
      pstmt.setString(7, guest.getNationality());
      pstmt.setString(8, guest.getDob());
      pstmt.setString(9, guest.getAddress());
      pstmt.setString(10, guest.getOccupation());
      pstmt.setString(11, guest.getMembership());
      pstmt.setInt(12, guest.getPoints());
      pstmt.setInt(13, guest.getRoomNo());
      pstmt.setDouble(14, guest.getCost());
      pstmt.executeUpdate();

    } catch (Exception ex) {

      System.out.println("Registration failed: An Exception has occurred! " + ex);
    }

    // exception handling
    finally {
      if (rs != null) {
        try {
          rs.close();
        } catch (Exception e) {
        }
        rs = null;
      }

      if (stmt != null) {
        try {
          stmt.close();
        } catch (Exception e) {
        }
        stmt = null;
      }

      if (currentCon != null) {
        try {
          currentCon.close();
        } catch (Exception e) {
        }

        currentCon = null;
      }
    }
    return guest;
  }