} else if (facet.equals("roles")) {
if (facetId!=null) {
try {
UUID id = UUID.fromString(facetId);
Role role = db.getRole(id);
if (role!=null && group.removeRole(role)) {
getResponse().setStatus(Status.SUCCESS_NO_CONTENT);
} else {
getResponse().setStatus(Status.CLIENT_ERROR_NOT_FOUND);
}
return null;