Database.java

public class Database {
 
  private Connection connection;
 
  public Connection getConnection() {
    try {
      Class.forName(MYSQL_DRIVER);
      connection = DriverManager.getConnection(MYSQL_URL, USERNAME, PASSWORD);
      System.out.println("Conectado!");
    } catch (ClassNotFoundException cnfe) {
      System.out.println("No se ha podido cargar el driver de conexión. Verifique que los drivers están disponibles");
      cnfe.printStackTrace();
    } catch (SQLException sqle) {
      System.out.println("No se ha podido conectar con el servidor de base de datos. Comprueba que los datos son correctos y que el servidor se ha iniciado");
      sqle.printStackTrace();
    }
 
    return connection;
  }
 
  public void close() {
    try {
      connection.close();
    } catch (SQLException sqle) {
      System.out.println("No se ha podido conectar con el servidor de base de datos. Comprueba que los datos son correctos y que el servidor se ha iniciado");
      sqle.printStackTrace();
    }
  }
}

@Data
@RequiredArgsConstructor
@AllArgsConstructor
@NoArgsConstructor
@ToString
public class Vehicle {
 
  private int id;
  @NonNull
  private String licensePlate;
  @NonNull
  private String brand;
  @NonNull
  private String model;
  @NonNull
  private int kilometers;
  @NonNull
  private String image;
  @NonNull
  private LocalDate registrationDate;
}

public class Database {
 
  public static Jdbi jdbi;
  public static Handle db;
 
  public static void connect() {
    jdbi = Jdbi.create(DATABASE_URL, DATABASE_USERNAME, DATABASE_PASSWORD);
    jdbi.installPlugin(new SqlObjectPlugin());
    db = jdbi.open();
  }
 
  public static void close() {
    db.close();
  }
}

public interface VehicleDAO {
 
  @SqlQuery("SELECT * FROM vehicles")
  @UseRowMapper(VehicleMapper.class)
  List<Vehicle> getVehicles();
 
  @SqlQuery("SELECT * FROM vehicles WHERE brand = ? OR model = ?")
  @UseRowMapper(VehicleMapper.class)
  List<Vehicle> getVehicles(String search);
 
  @SqlQuery("SELECT * FROM vehicles WHERE brand = ? AND model = ?")
  @UseRowMapper(VehicleMapper.class)
  List<Vehicle> getVehicles(String brand, String model);
 
  @SqlQuery("SELECT * FROM vehicles WHERE id = ?")
  @UseRowMapper(VehicleMapper.class)
  Vehicle getVehicle(int id);
 
  @SqlUpdate("INSERT INTO vehicles (license_plate, brand, model, kilometers, image, registration_date) VALUES (?, ?, ?, ?, ?, ?)")
  void addVehicle(String licensePlate, String brand, String model, int kilometers, String image, Date registrationDate);
 
  @SqlUpdate("DELETE FROM vehicles WHERE id = ?")
  void removeVehicle(int id);
 
  @SqlUpdate("UPDATE vehicles SET license_plate = ?, brand = ?, model = ?, kilometers = ?, image = ? WHERE id = ?")
  void editVehicle(String licensePlate, String brand, String model, int kilometers, String image, int id);
 
  @SqlUpdate("UPDATE vehicles SET license_plate = ?, brand = ?, model = ?, kilometers = ? WHERE id = ?")
  void editVehicle(String licensePlate, String brand, String model, int kilometers, int id);
}

public class VehicleMapper implements RowMapper<Vehicle> {
 
  @Override
  public Vehicle map(ResultSet rs, StatementContext ctx) throws SQLException {
    return new Vehicle(rs.getInt("id"),
        rs.getString("license_plate"),
        rs.getString("brand"),
        rs.getString("model"),
        rs.getInt("kilometers"),
        rs.getString("image"),
        DateUtils.getLocalDate(rs.getDate("registration_date"))
    );
  }
}

© 2023 Santiago Faci