LightPIT: src/main/java/de/uapcore/lightpit/entities/UserDao.java@27a0fdd7bca7

     1 /*

     2  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

     3  *

     4  * Copyright 2018 Mike Becker. All rights reserved.

     5  *

     6  * Redistribution and use in source and binary forms, with or without

     7  * modification, are permitted provided that the following conditions are met:

     8  *

     9  *   1. Redistributions of source code must retain the above copyright

    10  *      notice, this list of conditions and the following disclaimer.

    11  *

    12  *   2. Redistributions in binary form must reproduce the above copyright

    13  *      notice, this list of conditions and the following disclaimer in the

    14  *      documentation and/or other materials provided with the distribution.

    15  *

    16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

    17  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

    18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

    19  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE

    20  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

    21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

    22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

    23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

    24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

    25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

    26  * POSSIBILITY OF SUCH DAMAGE.

    27  *

    28  */

    29 package de.uapcore.lightpit.entities;

    31 import java.sql.Connection;

    32 import java.sql.ResultSet;

    33 import java.sql.SQLException;

    34 import java.sql.Statement;

    35 import java.util.ArrayList;

    36 import java.util.List;

    37 import java.util.Optional;

    39 public abstract class UserDao {

    41     /**

    42      * Maps SQL columns to POJO fields.

    43      * @param result the database result set

    44      * @param user the POJO

    45      * @throws SQLException

    46      */

    47     protected void mapColumns(ResultSet result, User user) throws SQLException {

    48         user.setUserID(result.getInt("userid"));

    49         user.setUsername(result.getString("username"));

    50         user.setGivenname(Optional.ofNullable(result.getString("givenname")));

    51         user.setLastname(Optional.ofNullable(result.getString("lastname")));

    52     }

    54     /**

    55      * Returns a list of all users ordered by their username.

    56      *

    57      * Does not return reserved system users with negative user IDs.

    58      *

    59      * @param conn the connection to use

    60      * @return a list of all users

    61      * @throws SQLException

    62      */

    63     public List<User> listAll(Connection conn) throws SQLException {

    64         List<User> list = new ArrayList<>();

    65         try (

    66                 Statement stmt = conn.createStatement();

    67                 ResultSet result = stmt.executeQuery(

    68                         "SELECT * FROM lpitcore_user WHERE userid >= 0 ORDER BY username")) {

    69             while (result.next()) {

    70                 final User user = new User();

    71                 mapColumns(result, user);

    72                 list.add(user);

    73             }

    74         }

    75         return list;

    76     }

    77 }

Mercurial > hg > LightPIT / file revision