*/
public User getUserById(int userId) throws Exception {
HashMap<String, Object> map = new HashMap<String, Object>();
map.put("user_id", userId);
String uri = uriConstructor.constructUri(UriFactory.Users.GET_DATA, map, true);
JSONObject userObject = (new GetMethod(uri).call()).getJSON();
if (userObject.has("data")) {
return new User(userObject.getJSONObject("data"), getAccessToken());
} else {
throw new InstagramException("User with id = " + userId
+ " cannot be accessed" + " or may not exist");