code: public static boolean areAllGranted(String authorities) throws IOException {
  		AuthorizeFaceletsTag authorizeTag = new AuthorizeFaceletsTag();
  		authorizeTag.setIfAllGranted(authorities);
  		return authorizeTag.authorize();
  	}
docs: Returns true if the user has all of of the given authorities.
  
  @param authorities a comma-separated list of user authorities.
  @return computation if the user has all of of the given authorities
  @throws IOException io exception