Sat, 09 May 2020 15:19:21 +0200
fixes several warnings
universe@21 | 1 | /* |
universe@21 | 2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
universe@21 | 3 | * |
universe@24 | 4 | * Copyright 2018 Mike Becker. All rights reserved. |
universe@21 | 5 | * |
universe@21 | 6 | * Redistribution and use in source and binary forms, with or without |
universe@21 | 7 | * modification, are permitted provided that the following conditions are met: |
universe@21 | 8 | * |
universe@21 | 9 | * 1. Redistributions of source code must retain the above copyright |
universe@21 | 10 | * notice, this list of conditions and the following disclaimer. |
universe@21 | 11 | * |
universe@21 | 12 | * 2. Redistributions in binary form must reproduce the above copyright |
universe@21 | 13 | * notice, this list of conditions and the following disclaimer in the |
universe@21 | 14 | * documentation and/or other materials provided with the distribution. |
universe@21 | 15 | * |
universe@21 | 16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
universe@21 | 17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
universe@21 | 18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
universe@21 | 19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
universe@21 | 20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
universe@21 | 21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
universe@21 | 22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
universe@21 | 23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
universe@21 | 24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
universe@21 | 25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
universe@21 | 26 | * POSSIBILITY OF SUCH DAMAGE. |
universe@30 | 27 | * |
universe@21 | 28 | */ |
universe@30 | 29 | package de.uapcore.lightpit.dao; |
universe@30 | 30 | |
universe@30 | 31 | import de.uapcore.lightpit.entities.User; |
universe@21 | 32 | |
universe@21 | 33 | import java.sql.Connection; |
universe@21 | 34 | import java.sql.ResultSet; |
universe@21 | 35 | import java.sql.SQLException; |
universe@21 | 36 | import java.sql.Statement; |
universe@21 | 37 | import java.util.ArrayList; |
universe@21 | 38 | import java.util.List; |
universe@21 | 39 | |
universe@30 | 40 | public class UserDao { |
universe@30 | 41 | |
universe@21 | 42 | /** |
universe@26 | 43 | * Maps SQL columns to POJO fields. |
universe@30 | 44 | * |
universe@26 | 45 | * @param result the database result set |
universe@30 | 46 | * @param user the POJO |
universe@33 | 47 | * @throws SQLException on any kind of SQL errors |
universe@21 | 48 | */ |
universe@26 | 49 | protected void mapColumns(ResultSet result, User user) throws SQLException { |
universe@26 | 50 | user.setUserID(result.getInt("userid")); |
universe@26 | 51 | user.setUsername(result.getString("username")); |
universe@33 | 52 | user.setGivenname(result.getString("givenname")); |
universe@33 | 53 | user.setLastname(result.getString("lastname")); |
universe@21 | 54 | } |
universe@21 | 55 | |
universe@21 | 56 | /** |
universe@26 | 57 | * Returns a list of all users ordered by their username. |
universe@33 | 58 | * <p> |
universe@26 | 59 | * Does not return reserved system users with negative user IDs. |
universe@33 | 60 | * |
universe@21 | 61 | * @param conn the connection to use |
universe@26 | 62 | * @return a list of all users |
universe@33 | 63 | * @throws SQLException on any kind of SQL errors |
universe@21 | 64 | */ |
universe@26 | 65 | public List<User> listAll(Connection conn) throws SQLException { |
universe@26 | 66 | List<User> list = new ArrayList<>(); |
universe@21 | 67 | try ( |
universe@21 | 68 | Statement stmt = conn.createStatement(); |
universe@26 | 69 | ResultSet result = stmt.executeQuery( |
universe@26 | 70 | "SELECT * FROM lpitcore_user WHERE userid >= 0 ORDER BY username")) { |
universe@21 | 71 | while (result.next()) { |
universe@26 | 72 | final User user = new User(); |
universe@26 | 73 | mapColumns(result, user); |
universe@26 | 74 | list.add(user); |
universe@21 | 75 | } |
universe@21 | 76 | } |
universe@21 | 77 | return list; |
universe@21 | 78 | } |
universe@21 | 79 | } |