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1 /* |
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
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3 * |
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4 * Copyright 2018 Mike Becker. All rights reserved. |
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5 * |
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6 * Redistribution and use in source and binary forms, with or without |
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7 * modification, are permitted provided that the following conditions are met: |
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8 * |
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9 * 1. Redistributions of source code must retain the above copyright |
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10 * notice, this list of conditions and the following disclaimer. |
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11 * |
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12 * 2. Redistributions in binary form must reproduce the above copyright |
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13 * notice, this list of conditions and the following disclaimer in the |
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14 * documentation and/or other materials provided with the distribution. |
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15 * |
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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26 * POSSIBILITY OF SUCH DAMAGE. |
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27 * |
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28 */ |
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29 package de.uapcore.lightpit.dao; |
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30 |
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31 import de.uapcore.lightpit.entities.User; |
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32 |
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33 import java.sql.Connection; |
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34 import java.sql.ResultSet; |
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35 import java.sql.SQLException; |
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36 import java.sql.Statement; |
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37 import java.util.ArrayList; |
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38 import java.util.List; |
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39 import java.util.Optional; |
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40 |
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41 public class UserDao { |
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42 |
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43 /** |
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44 * Maps SQL columns to POJO fields. |
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45 * |
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46 * @param result the database result set |
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47 * @param user the POJO |
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48 * @throws SQLException |
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49 */ |
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50 protected void mapColumns(ResultSet result, User user) throws SQLException { |
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51 user.setUserID(result.getInt("userid")); |
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52 user.setUsername(result.getString("username")); |
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53 user.setGivenname(Optional.ofNullable(result.getString("givenname"))); |
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54 user.setLastname(Optional.ofNullable(result.getString("lastname"))); |
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55 } |
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56 |
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57 /** |
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58 * Returns a list of all users ordered by their username. |
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59 * |
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60 * Does not return reserved system users with negative user IDs. |
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61 * |
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62 * @param conn the connection to use |
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63 * @return a list of all users |
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64 * @throws SQLException |
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65 */ |
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66 public List<User> listAll(Connection conn) throws SQLException { |
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67 List<User> list = new ArrayList<>(); |
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68 try ( |
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69 Statement stmt = conn.createStatement(); |
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70 ResultSet result = stmt.executeQuery( |
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71 "SELECT * FROM lpitcore_user WHERE userid >= 0 ORDER BY username")) { |
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72 while (result.next()) { |
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73 final User user = new User(); |
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74 mapColumns(result, user); |
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75 list.add(user); |
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76 } |
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77 } |
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78 return list; |
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79 } |
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80 } |