List<UserInfo> userList = new ArrayList<UserInfo>();
userList.addAll(userMap.values());
Collections.sort(userList, new UserResponseComparable());
DataResponse response = new DataResponse();
response.setStart(0);
response.setSize(userList.size());
response.setSort("lastName");
response.setOrder("asc");
response.setTotal(userList.size());
response.setData(userList);
return response;
}