Java User.confirmedFriends示例

  public static void showUpcomingBirthdays(Long id) {
    User current = User.findById(id);

    Date today = new Date();
    int day = today.getDate();
    Date weekLater = new Date();
    weekLater.setDate(day + 7);

    Date almostWeekLater = new Date();
    almostWeekLater.setDate(day + 6);

    List<Relationship> friends = current.confirmedFriends();
    List<User> birthdayPeople = new ArrayList<User>();

    for (Relationship x : friends) {
      Date friendBirthday = x.to.getProfile().birthday;

      if (friendBirthday == null) // The user's friend did not set a birthday date field
      {
        // x.to.getProfile().birthday = almostWeekLater;
        // friendBirthday =  almostWeekLater;
        continue;
      }

      friendBirthday.setYear(today.getYear());
      if (friendBirthday.before(weekLater)) birthdayPeople.add(x.to);
    }

    render(birthdayPeople, today, weekLater, almostWeekLater, day);
  }