Solution of this task

src/main/java/taxi/controller/LoginController.java

@@ -0,0 +1,40 @@
+package taxi.controller;
+
+import java.io.IOException;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
+import taxi.exception.AuthenticationException;
+import taxi.lib.Injector;
+import taxi.model.Driver;
+import taxi.service.AuthenticationService;
+
+public class LoginController extends HttpServlet {
+    private static final Injector injector = Injector.getInstance("taxi");
+    private final AuthenticationService authenticationService =
+            (AuthenticationService) injector.getInstance(AuthenticationService.class);
+
+    @Override
+    protected void doGet(HttpServletRequest req, HttpServletResponse resp)
+            throws ServletException, IOException {
+        req.getRequestDispatcher("/WEB-INF/views/login.jsp").forward(req, resp);
+    }
+
+    @Override
+    protected void doPost(HttpServletRequest req, HttpServletResponse resp)
+            throws ServletException, IOException {
+        String login = req.getParameter("login");
+        String password = req.getParameter("password");
+        try {
+            Driver driver = authenticationService.login(login, password);
+            HttpSession session = req.getSession();
+            session.setAttribute("driver_id", driver.getId());
+            resp.sendRedirect(req.getContextPath() + "/index");
+        } catch (AuthenticationException e) {
+            req.setAttribute("errorMsg", e.getMessage());
+            req.getRequestDispatcher("/WEB-INF/views/login.jsp").forward(req, resp);
+        }
+    }
+}

src/main/java/taxi/controller/LogoutController.java

@@ -0,0 +1,17 @@
+package taxi.controller;
+
+import java.io.IOException;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+public class LogoutController extends HttpServlet {
+
+    @Override
+    protected void doGet(HttpServletRequest req, HttpServletResponse resp)
+            throws ServletException, IOException {
+        req.getSession().invalidate();
+        resp.sendRedirect(req.getContextPath() + "/index");
+    }
+}

src/main/java/taxi/controller/car/AddDriverToCarController.java

@@ -1,10 +1,12 @@
 package taxi.controller.car;
 
 import java.io.IOException;
+import java.util.NoSuchElementException;
 import javax.servlet.ServletException;
 import javax.servlet.http.HttpServlet;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
+import taxi.exception.DataProcessingException;
 import taxi.lib.Injector;
 import taxi.model.Car;
 import taxi.model.Driver;
@@ -27,9 +29,30 @@ public void doGet(HttpServletRequest req, HttpServletResponse resp)
     public void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException {
         long driverId = Long.parseLong(req.getParameter("driver_id"));
         long carId = Long.parseLong(req.getParameter("car_id"));
-        Driver driver = driverService.get(driverId);
-        Car car = carService.get(carId);
-        carService.addDriverToCar(driver, car);
-        resp.sendRedirect(req.getContextPath() + "/cars/drivers/add");
+        Driver driver = new Driver();
+        Car car = new Car();
+        try {
+            driver = driverService.get(driverId);
+            car = carService.get(carId);
+        } catch (NoSuchElementException e) {
+            req.setAttribute("errorMsg", e.getMessage());
+            try {
+                req.getRequestDispatcher("/WEB-INF/views/cars/drivers/add.jsp").forward(req, resp);
+            } catch (ServletException ex) {
+                throw new RuntimeException(ex);
+            }
+        }
+        try {
+            carService.addDriverToCar(driver, car);
+            resp.sendRedirect(req.getContextPath() + "/cars/drivers/add");
+        } catch (DataProcessingException e) {
+            req.setAttribute("errorMsg", "Can't not insert driver ID=" + driverId
+                    + " to car ID=" + carId);
+            try {
+                req.getRequestDispatcher("/WEB-INF/views/cars/drivers/add.jsp").forward(req, resp);
+            } catch (ServletException ex) {
+                throw new RuntimeException(ex);
+            }
+        }
     }
 }

src/main/java/taxi/controller/car/GetMyCurrentCarsController.java

@@ -0,0 +1,27 @@
+package taxi.controller.car;
+
+import java.io.IOException;
+import java.util.List;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import javax.servlet.http.HttpSession;
+import taxi.lib.Injector;
+import taxi.model.Car;
+import taxi.service.CarService;
+
+public class GetMyCurrentCarsController extends HttpServlet {
+    private static final Injector injector = Injector.getInstance("taxi");
+    private final CarService carService = (CarService) injector.getInstance(CarService.class);
+
+    @Override
+    public void doGet(HttpServletRequest req, HttpServletResponse resp)
+            throws ServletException, IOException {
+        HttpSession session = req.getSession();
+        Long driverId = (Long) session.getAttribute("driver_id");
+        List<Car> cars = carService.getAllByDriver(driverId);
+        req.setAttribute("cars", cars);
+        req.getRequestDispatcher("/WEB-INF/views/cars/drivers/current.jsp").forward(req, resp);
+    }
+}

src/main/java/taxi/controller/driver/AddDriverController.java

@@ -24,7 +24,9 @@ public void doGet(HttpServletRequest req, HttpServletResponse resp)
     public void doPost(HttpServletRequest req, HttpServletResponse resp) throws IOException {
         String name = req.getParameter("name");
         String licenseNumber = req.getParameter("license_number");
-        Driver driver = new Driver(name, licenseNumber);
+        String login = req.getParameter("login");
+        String password = req.getParameter("password");
+        Driver driver = new Driver(name, licenseNumber, login, password);
         driverService.create(driver);
         resp.sendRedirect(req.getContextPath() + "/drivers/add");
     }

src/main/java/taxi/dao/CarDaoImpl.java

@@ -116,8 +116,8 @@ public boolean delete(Long id) {
         String query = "UPDATE cars SET is_deleted = TRUE WHERE id = ?"
                 + " AND is_deleted = FALSE";
         try (Connection connection = ConnectionUtil.getConnection();
-                 PreparedStatement statement =
-                         connection.prepareStatement(query)) {
+                PreparedStatement statement =
+                        connection.prepareStatement(query)) {
             statement.setLong(1, id);
             return statement.executeUpdate() > 0;
         } catch (SQLException e) {
@@ -149,7 +149,7 @@ public List<Car> getAllByDriver(Long driverId) {
             }
         } catch (SQLException e) {
             throw new DataProcessingException("Can't get all cars for driver with id: "
-                + driverId, e);
+                    + driverId, e);
         }
         cars.forEach(car -> car.setDrivers(getAllDriversByCarId(car.getId())));
         return cars;
@@ -183,7 +183,7 @@ private void deleteAllDrivers(Car car) {
             statement.executeUpdate();
         } catch (SQLException e) {
             throw new DataProcessingException("Can't delete drivers " + car.getDrivers()
-                + " of car with id: " + car.getId(), e);
+                    + " of car with id: " + car.getId(), e);
         }
     }
 
@@ -193,8 +193,8 @@ private List<Driver> getAllDriversByCarId(Long carId) {
                 + "JOIN drivers d ON cd.driver_id = d.id "
                 + "WHERE car_id = ? AND is_deleted = false";
         try (Connection connection = ConnectionUtil.getConnection();
-                PreparedStatement statement =
-                        connection.prepareStatement(query)) {
+                   PreparedStatement statement =
+                           connection.prepareStatement(query)) {
             statement.setLong(1, carId);
             ResultSet resultSet = statement.executeQuery();
             List<Driver> drivers = new ArrayList<>();

src/main/java/taxi/dao/DriverDao.java

@@ -1,6 +1,8 @@
 package taxi.dao;
 
+import java.util.Optional;
 import taxi.model.Driver;
 
 public interface DriverDao extends GenericDao<Driver> {
+    Optional<Driver> findByLogin(String login);
 }

src/main/java/taxi/dao/DriverDaoImpl.java

@@ -17,13 +17,15 @@
 public class DriverDaoImpl implements DriverDao {
     @Override
     public Driver create(Driver driver) {
-        String query = "INSERT INTO drivers (name, license_number) "
-                + "VALUES (?, ?)";
+        String query = "INSERT INTO drivers (name, license_number, login, password) "
+                + "VALUES (?, ?, ?, ?)";
         try (Connection connection = ConnectionUtil.getConnection();
                 PreparedStatement statement = connection.prepareStatement(query,
                         Statement.RETURN_GENERATED_KEYS)) {
             statement.setString(1, driver.getName());
             statement.setString(2, driver.getLicenseNumber());
+            statement.setString(3, driver.getLogin());
+            statement.setString(4, driver.getPassword());
             statement.executeUpdate();
             ResultSet resultSet = statement.getGeneratedKeys();
             if (resultSet.next()) {
@@ -71,14 +73,17 @@ public List<Driver> getAll() {
     @Override
     public Driver update(Driver driver) {
         String query = "UPDATE drivers "
-                + "SET name = ?, license_number = ? "
+                + "SET name = ?, license_number = ?, "
+                + "login = ?, password = ? "
                 + "WHERE id = ? AND is_deleted = FALSE";
         try (Connection connection = ConnectionUtil.getConnection();
                 PreparedStatement statement
                         = connection.prepareStatement(query)) {
             statement.setString(1, driver.getName());
             statement.setString(2, driver.getLicenseNumber());
-            statement.setLong(3, driver.getId());
+            statement.setString(3, driver.getLogin());
+            statement.setString(4, driver.getPassword());
+            statement.setLong(5, driver.getId());
             statement.executeUpdate();
             return driver;
         } catch (SQLException e) {
@@ -102,10 +107,31 @@ private Driver parseDriverFromResultSet(ResultSet resultSet) throws SQLException
         Long id = resultSet.getObject("id", Long.class);
         String name = resultSet.getString("name");
         String licenseNumber = resultSet.getString("license_number");
+        String login = resultSet.getString("login");
+        String password = resultSet.getString("password");
         Driver driver = new Driver();
         driver.setId(id);
         driver.setName(name);
         driver.setLicenseNumber(licenseNumber);
+        driver.setLogin(login);
+        driver.setPassword(password);
         return driver;
     }
+
+    @Override
+    public Optional<Driver> findByLogin(String login) {
+        String query = "SELECT * FROM drivers WHERE login = ? AND is_deleted = FALSE";
+        try (Connection connection = ConnectionUtil.getConnection();
+                PreparedStatement statement = connection.prepareStatement(query)) {
+            statement.setString(1, login);
+            ResultSet resultSet = statement.executeQuery();
+            Driver driver = null;
+            if (resultSet.next()) {
+                driver = parseDriverFromResultSet(resultSet);
+            }
+            return Optional.ofNullable(driver);
+        } catch (SQLException e) {
+            throw new DataProcessingException("Can't get driver by login " + login, e);
+        }
+    }
 }

src/main/java/taxi/exception/AuthenticationException.java

@@ -0,0 +1,7 @@
+package taxi.exception;
+
+public class AuthenticationException extends Exception {
+    public AuthenticationException(String message) {
+        super(message);
+    }
+}

src/main/java/taxi/model/Driver.java

@@ -6,13 +6,33 @@ public class Driver {
     private Long id;
     private String name;
     private String licenseNumber;
+    private String login;
+    private String password;
 
     public Driver() {
     }
 
-    public Driver(String name, String licenseNumber) {
+    public Driver(String name, String licenseNumber, String login, String password) {
         this.name = name;
         this.licenseNumber = licenseNumber;
+        this.login = login;
+        this.password = password;
+    }
+
+    public String getLogin() {
+        return login;
+    }
+
+    public void setLogin(String login) {
+        this.login = login;
+    }
+
+    public String getPassword() {
+        return password;
+    }
+
+    public void setPassword(String password) {
+        this.password = password;
     }
 
     public Long getId() {

src/main/java/taxi/service/AuthenticationService.java

@@ -0,0 +1,8 @@
+package taxi.service;
+
+import taxi.exception.AuthenticationException;
+import taxi.model.Driver;
+
+public interface AuthenticationService {
+    Driver login(String login, String password) throws AuthenticationException;
+}

src/main/java/taxi/service/AuthenticationServiceImpl.java

@@ -0,0 +1,23 @@
+package taxi.service;
+
+import java.util.Optional;
+import taxi.exception.AuthenticationException;
+import taxi.lib.Injector;
+import taxi.lib.Service;
+import taxi.model.Driver;
+
+@Service
+public class AuthenticationServiceImpl implements AuthenticationService {
+    private static final Injector injector = Injector.getInstance("taxi");
+    private final DriverService driverService = (DriverService) injector
+            .getInstance(DriverService.class);
+
+    @Override
+    public Driver login(String login, String password) throws AuthenticationException {
+        Optional<Driver> driver = driverService.findByLogin(login);
+        if (driver.isPresent() && driver.get().getPassword().equals(password)) {
+            return driver.get();
+        }
+        throw new AuthenticationException("Driver login or password is incorrect");
+    }
+}

src/main/java/taxi/service/DriverService.java

@@ -1,6 +1,8 @@
 package taxi.service;
 
+import java.util.Optional;
 import taxi.model.Driver;
 
 public interface DriverService extends GenericService<Driver> {
+    Optional<Driver> findByLogin(String login);
 }

src/main/java/taxi/service/DriverServiceImpl.java

@@ -2,6 +2,7 @@
 
 import java.util.List;
 import java.util.NoSuchElementException;
+import java.util.Optional;
 import taxi.dao.DriverDao;
 import taxi.lib.Inject;
 import taxi.lib.Service;
@@ -38,4 +39,9 @@ public Driver update(Driver driver) {
     public boolean delete(Long id) {
         return driverDao.delete(id);
     }
+
+    @Override
+    public Optional<Driver> findByLogin(String login) {
+        return driverDao.findByLogin(login);
+    }
 }

src/main/java/taxi/util/ConnectionUtil.java

@@ -6,10 +6,10 @@
 import java.util.Properties;
 
 public class ConnectionUtil {
-    private static final String URL = "YOUR DATABASE URL";
-    private static final String USERNAME = "YOUR USERNAME";
-    private static final String PASSWORD = "YOUR PASSWORD";
-    private static final String JDBC_DRIVER = "YOUR DRIVER";
+    private static final String URL = "jdbc:mysql://localhost:3306/taxi?serverTimezone=UTC";
+    private static final String USERNAME = "root";
+    private static final String PASSWORD = "12345678";
+    private static final String JDBC_DRIVER = "com.mysql.cj.jdbc.Driver";
 
     static {
         try {