--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/java/de/uapcore/lightpit/dao/UserDao.java Sat May 09 14:37:15 2020 +0200
@@ -0,0 +1,80 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright 2018 Mike Becker. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+package de.uapcore.lightpit.dao;
+
+import de.uapcore.lightpit.entities.User;
+
+import java.sql.Connection;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Statement;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Optional;
+
+public class UserDao {
+
+ /**
+ * Maps SQL columns to POJO fields.
+ *
+ * @param result the database result set
+ * @param user the POJO
+ * @throws SQLException
+ */
+ protected void mapColumns(ResultSet result, User user) throws SQLException {
+ user.setUserID(result.getInt("userid"));
+ user.setUsername(result.getString("username"));
+ user.setGivenname(Optional.ofNullable(result.getString("givenname")));
+ user.setLastname(Optional.ofNullable(result.getString("lastname")));
+ }
+
+ /**
+ * Returns a list of all users ordered by their username.
+ *
+ * Does not return reserved system users with negative user IDs.
+ *
+ * @param conn the connection to use
+ * @return a list of all users
+ * @throws SQLException
+ */
+ public List<User> listAll(Connection conn) throws SQLException {
+ List<User> list = new ArrayList<>();
+ try (
+ Statement stmt = conn.createStatement();
+ ResultSet result = stmt.executeQuery(
+ "SELECT * FROM lpitcore_user WHERE userid >= 0 ORDER BY username")) {
+ while (result.next()) {
+ final User user = new User();
+ mapColumns(result, user);
+ list.add(user);
+ }
+ }
+ return list;
+ }
+}