1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/src/java/de/uapcore/lightpit/entities/UserDao.java Sun Apr 08 15:34:11 2018 +0200 1.3 @@ -0,0 +1,77 @@ 1.4 +/* 1.5 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. 1.6 + * 1.7 + * Copyright 2018 Mike Becker. All rights reserved. 1.8 + * 1.9 + * Redistribution and use in source and binary forms, with or without 1.10 + * modification, are permitted provided that the following conditions are met: 1.11 + * 1.12 + * 1. Redistributions of source code must retain the above copyright 1.13 + * notice, this list of conditions and the following disclaimer. 1.14 + * 1.15 + * 2. Redistributions in binary form must reproduce the above copyright 1.16 + * notice, this list of conditions and the following disclaimer in the 1.17 + * documentation and/or other materials provided with the distribution. 1.18 + * 1.19 + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 1.20 + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1.21 + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1.22 + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 1.23 + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 1.24 + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 1.25 + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 1.26 + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 1.27 + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 1.28 + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 1.29 + * POSSIBILITY OF SUCH DAMAGE. 1.30 + * 1.31 + */ 1.32 +package de.uapcore.lightpit.entities; 1.33 + 1.34 +import java.sql.Connection; 1.35 +import java.sql.ResultSet; 1.36 +import java.sql.SQLException; 1.37 +import java.sql.Statement; 1.38 +import java.util.ArrayList; 1.39 +import java.util.List; 1.40 +import java.util.Optional; 1.41 + 1.42 +public abstract class UserDao { 1.43 + 1.44 + /** 1.45 + * Maps SQL columns to POJO fields. 1.46 + * @param result the database result set 1.47 + * @param user the POJO 1.48 + * @throws SQLException 1.49 + */ 1.50 + protected void mapColumns(ResultSet result, User user) throws SQLException { 1.51 + user.setUserID(result.getInt("userid")); 1.52 + user.setUsername(result.getString("username")); 1.53 + user.setGivenname(Optional.ofNullable(result.getString("givenname"))); 1.54 + user.setLastname(Optional.ofNullable(result.getString("lastname"))); 1.55 + } 1.56 + 1.57 + /** 1.58 + * Returns a list of all users ordered by their username. 1.59 + * 1.60 + * Does not return reserved system users with negative user IDs. 1.61 + * 1.62 + * @param conn the connection to use 1.63 + * @return a list of all users 1.64 + * @throws SQLException 1.65 + */ 1.66 + public List<User> listAll(Connection conn) throws SQLException { 1.67 + List<User> list = new ArrayList<>(); 1.68 + try ( 1.69 + Statement stmt = conn.createStatement(); 1.70 + ResultSet result = stmt.executeQuery( 1.71 + "SELECT * FROM lpitcore_user WHERE userid >= 0 ORDER BY username")) { 1.72 + while (result.next()) { 1.73 + final User user = new User(); 1.74 + mapColumns(result, user); 1.75 + list.add(user); 1.76 + } 1.77 + } 1.78 + return list; 1.79 + } 1.80 +}