spring security update user role code example
Example: update role spring security
Set<GrantedAuthority> authorities = new HashSet<>();
authorities.add(new SimpleGrantedAuthority("USER"));
authorities.add(new SimpleGrantedAuthority("ADMIN"));
Authentication reAuth = new UsernamePasswordAuthenticationToken("user",new
BCryptPasswordEncoder().encode("password"),authorities);
SecurityContextHolder.getContext().setAuthentication(reAuth);