src/main/java/de/uapcore/lightpit/dao/postgres/PGUserDao.java

changeset 159
86b5d8a1662f
parent 158
4f912cd42876
child 160
e2d09cf3fb96
     1.1 --- a/src/main/java/de/uapcore/lightpit/dao/postgres/PGUserDao.java	Fri Nov 06 10:50:32 2020 +0100
     1.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.3 @@ -1,132 +0,0 @@
     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.dao.postgres;
    1.33 -
    1.34 -import de.uapcore.lightpit.dao.UserDao;
    1.35 -import de.uapcore.lightpit.entities.User;
    1.36 -
    1.37 -import java.sql.Connection;
    1.38 -import java.sql.PreparedStatement;
    1.39 -import java.sql.ResultSet;
    1.40 -import java.sql.SQLException;
    1.41 -import java.util.ArrayList;
    1.42 -import java.util.List;
    1.43 -import java.util.Objects;
    1.44 -import java.util.Optional;
    1.45 -
    1.46 -import static de.uapcore.lightpit.dao.Functions.getSafeString;
    1.47 -import static de.uapcore.lightpit.dao.Functions.setStringOrNull;
    1.48 -
    1.49 -public final class PGUserDao implements UserDao {
    1.50 -
    1.51 -    private final PreparedStatement insert, update, list, find, findByUsername;
    1.52 -
    1.53 -    public PGUserDao(Connection connection) throws SQLException {
    1.54 -        list = connection.prepareStatement(
    1.55 -                "select userid, username, lastname, givenname, mail " +
    1.56 -                        "from lpit_user where userid >= 0 " +
    1.57 -                        "order by username");
    1.58 -        find = connection.prepareStatement(
    1.59 -                "select userid, username, lastname, givenname, mail " +
    1.60 -                        "from lpit_user where userid = ? ");
    1.61 -
    1.62 -        findByUsername = connection.prepareStatement(
    1.63 -                "select userid, username, lastname, givenname, mail " +
    1.64 -                        "from lpit_user where lower(username) = lower(?) ");
    1.65 -
    1.66 -        insert = connection.prepareStatement("insert into lpit_user (username, lastname, givenname, mail) values (?, ?, ?, ?)");
    1.67 -        update = connection.prepareStatement("update lpit_user set lastname = ?, givenname = ?, mail = ? where userid = ?");
    1.68 -    }
    1.69 -
    1.70 -    static User mapColumns(ResultSet result) throws SQLException {
    1.71 -        final int id = result.getInt("userid");
    1.72 -        if (id == 0) return null;
    1.73 -        final var user = new User(id);
    1.74 -        user.setUsername(result.getString("username"));
    1.75 -        user.setGivenname(getSafeString(result, "givenname"));
    1.76 -        user.setLastname(getSafeString(result, "lastname"));
    1.77 -        user.setMail(getSafeString(result, "mail"));
    1.78 -        return user;
    1.79 -    }
    1.80 -
    1.81 -    @Override
    1.82 -    public void save(User instance) throws SQLException {
    1.83 -        Objects.requireNonNull(instance.getUsername());
    1.84 -        insert.setString(1, instance.getUsername());
    1.85 -        setStringOrNull(insert, 2, instance.getLastname());
    1.86 -        setStringOrNull(insert, 3, instance.getGivenname());
    1.87 -        setStringOrNull(insert, 4, instance.getMail());
    1.88 -        insert.executeUpdate();
    1.89 -    }
    1.90 -
    1.91 -    @Override
    1.92 -    public boolean update(User instance) throws SQLException {
    1.93 -        if (instance.getId() < 0) return false;
    1.94 -        setStringOrNull(update, 1, instance.getLastname());
    1.95 -        setStringOrNull(update, 2, instance.getGivenname());
    1.96 -        setStringOrNull(update, 3, instance.getMail());
    1.97 -        update.setInt(4, instance.getId());
    1.98 -        return update.executeUpdate() > 0;
    1.99 -    }
   1.100 -
   1.101 -    @Override
   1.102 -    public List<User> list() throws SQLException {
   1.103 -        List<User> users = new ArrayList<>();
   1.104 -        try (var result = list.executeQuery()) {
   1.105 -            while (result.next()) {
   1.106 -                users.add(mapColumns(result));
   1.107 -            }
   1.108 -        }
   1.109 -        return users;
   1.110 -    }
   1.111 -
   1.112 -    @Override
   1.113 -    public User find(int id) throws SQLException {
   1.114 -        find.setInt(1, id);
   1.115 -        try (var result = find.executeQuery()) {
   1.116 -            if (result.next()) {
   1.117 -                return mapColumns(result);
   1.118 -            } else {
   1.119 -                return null;
   1.120 -            }
   1.121 -        }
   1.122 -    }
   1.123 -
   1.124 -    @Override
   1.125 -    public Optional<User> findByUsername(String username) throws SQLException {
   1.126 -        findByUsername.setString(1, username);
   1.127 -        try (var result = findByUsername.executeQuery()) {
   1.128 -            if (result.next()) {
   1.129 -                return Optional.of(mapColumns(result));
   1.130 -            } else {
   1.131 -                return Optional.empty();
   1.132 -            }
   1.133 -        }
   1.134 -    }
   1.135 -}

mercurial