Java Server Programming Black Book Pdf ❲OFFICIAL ⟶❳

HttpSession session = req.getSession(); String username = req.getParameter("username"); String password = req.getParameter("password"); if (authenticate(username, password)) session.setAttribute("user", username); session.setMaxInactiveInterval(1800); // 30 minutes resp.sendRedirect("dashboard.jsp"); else resp.sendRedirect("login.html?error=true");

@POST @Consumes(MediaType.APPLICATION_JSON) @Produces(MediaType.APPLICATION_JSON) public Response createUser(User user) userService.save(user); return Response.status(Response.Status.CREATED).entity(user).build(); java server programming black book pdf

// 3. Database Connection Pool public class DatabasePool private static HikariDataSource dataSource; HttpSession session = req

// 4. REST API using Jersey @Path("/api/users") public class UserResource HttpSession session = req.getSession()

// 2. Servlet with Session Management @WebServlet("/login") public class LoginServlet extends HttpServlet protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException

public static Connection getConnection() throws SQLException return dataSource.getConnection();