code: public boolean contains(Friend friend) {
  		for (final Friend f : getFriends()) {
  			if (StringUtils.parseName(f.getUserId()).equals(
  					StringUtils.parseName(friend.getUserId()))) {
  				return true;
  			}
  		}
  		return false;
  	}
docs: Checks if a given Friend is part of this group.
  
  @param friend
  The friend
  @return True if this group contains the friend, false otherwise.