@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();
public static Connection getConnection() throws SQLException return dataSource.getConnection(); java server programming black book pdf
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
// 2. Servlet with Session Management @WebServlet("/login") public class LoginServlet extends HttpServlet protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException HttpSession session = req.getSession()
private boolean authenticate(String user, String pass) // Implement actual authentication logic return "admin".equals(user) && "secret".equals(pass);