private Roles getRolesForSignedInUser() { // Retrieve the granted authorities from the current authentication. These correspond one on // one with user roles. Authentication auth = SecurityContextHolder.getContext().getAuthentication(); if (auth != null) { Roles roles = new Roles(); Collection<? extends GrantedAuthority> authorities = auth.getAuthorities(); for (GrantedAuthority grantedAuthority : authorities) { roles.add(grantedAuthority.getAuthority()); } if (roles.size() == 0) { LOGGER.warn("User " + auth.getPrincipal() + " logged in but no roles could be found!"); } return roles; } else { LOGGER.warn("User is signed in but authentication is not set!"); return null; } }