1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/main/java/de/uapcore/lightpit/entities/UserDao.java Sat May 09 14:26:31 2020 +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 +}
