EDIT

    /**

     * {@inheritDoc}

     */

    @Override

    public void createAuthorityFor(String username, CdmBase cdmEntity, EnumSet<CRUD> crud, String property) {

        UserDetails userDetails = repo.getUserService().loadUserByUsername(username);

        if(userDetails != null){

            User user = (User)userDetails;

            CdmAuthority authority = new CdmAuthority(cdmEntity, property, crud);

            try {

                user.getGrantedAuthorities().add(authority.asNewGrantedAuthority());

            } catch (CdmAuthorityParsingException e) {

                throw new RuntimeException(e);

            }

            repo.getSession().flush();

            logger.debug("new authority for " + username + ": " + authority.toString());

            Authentication authentication = new PreAuthenticatedAuthenticationToken(user, user.getPassword(), user.getAuthorities());

            SecurityContextHolder.getContext().setAuthentication(authentication);

            logger.debug("security context refreshed with user " + username);

        }

    }

    /**

     * {@inheritDoc}

     */

    @Override

    public void createAuthorityForCurrentUser(CdmBase cdmEntity, EnumSet<CRUD> crud, String property) {

        createAuthorityFor(userName(), cdmEntity, crud, property);

    }