src/main/java/de/uapcore/lightpit/dao/UserDao.java

Sat, 09 May 2020 15:19:21 +0200

author
Mike Becker <universe@uap-core.de>
date
Sat, 09 May 2020 15:19:21 +0200
changeset 33
fd8c40ff78c3
parent 30
fb30f7b78f9b
child 34
824d4042c857
permissions
-rw-r--r--

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 }

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