// for populating the menu based on logged in user role from db
public void populateMenu() throws Exception {
authentication = SecurityContextHolder.getContext().getAuthentication();
if (authentication != null) {
Collection<SimpleGrantedAuthority> authorities =
(Collection<SimpleGrantedAuthority>) authentication.getAuthorities();
roles = rolesService.getByName(authorities.iterator().next().getAuthority());
} else roles = null;
if (NotEmpty.notEmpty(roles)) {
Set<Menu> menuSet = roles.getMenuSet();
ArrayList<Menu> menuList = new ArrayList<Menu>(menuSet);
userSession.setMenuList(menuList);
}
}
// for getting the current logged in user from spring SecurityContextHolder
public void setCurrentUser() throws Exception {
authentication = SecurityContextHolder.getContext().getAuthentication();
if (authentication != null)
userSession.setUser(userService.getUserByEmail(authentication.getName().toString()));
else System.out.println("Authentication is null");
}