The application should allow authentication both from old or new users, this should be done through Spring Security module. Any page of the app should be able to access the user id of the logged in user.
https://spring.io/projects/spring-security#overview
The application should allow authentication both from old or new users, this should be done through Spring Security module. Any page of the app should be able to access the user id of the logged in user. https://spring.io/projects/spring-security#overview