Mercurial > hg > LightPIT / file revision

 /*

  * 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.postgres;

 import de.uapcore.lightpit.dao.AbstractDao;

 import de.uapcore.lightpit.dao.UserDao;

 import de.uapcore.lightpit.entities.User;

 import java.sql.Connection;

 import java.sql.PreparedStatement;

 import java.sql.ResultSet;

 import java.sql.SQLException;

 import java.util.Objects;

 public final class PGUserDao extends AbstractDao<User> implements UserDao {

     private final PreparedStatement insert;

     private final PreparedStatement update;

     public PGUserDao(Connection connection) throws SQLException {

         super(connection.prepareStatement("select * from lpit_user where userid >= 0 order by username"));

         insert = connection.prepareStatement("insert into lpit_user (username, lastname, givenname, mail) values (?, ?, ?, ?)");

         update = connection.prepareStatement("update lpit_user set lastname = ?, givenname = ?, mail = ? where userid = ?");

     }

     @Override

     public User mapColumns(ResultSet result, String q) throws SQLException {

         final var user = new User(result.getInt(qual(q, "userid")));

         user.setUsername(result.getString(qual(q, "username")));

         user.setGivenname(result.getString(qual(q, "givenname")));

         user.setLastname(result.getString(qual(q, "lastname")));

         return user;

     }

     @Override

     public void save(User instance) throws SQLException {

         Objects.requireNonNull(instance.getUsername());

         insert.setString(1, instance.getUsername());

         setStringOrNull(insert, 2, instance.getLastname());

         setStringOrNull(insert, 3, instance.getGivenname());

         setStringOrNull(insert, 4, instance.getMail());

         insert.executeUpdate();

     }

     @Override

     public boolean update(User instance) throws SQLException {

         setStringOrNull(update, 1, instance.getLastname());

         setStringOrNull(update, 2, instance.getGivenname());

         setStringOrNull(update, 3, instance.getMail());

         update.setInt(4, instance.getUserID());

         return update.executeUpdate() > 0;

     }

 }