public static Connection getConnection() throws SQLException return dataSource.getConnection();
@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
private boolean authenticate(String user, String pass) // Implement actual authentication logic return "admin".equals(user) && "secret".equals(pass); private boolean authenticate(String user