if (true) return null;
  public static Socket get_socket(Object key)  {    if (true)      return null;    synchronized (sockets)      {    Socket s = (Socket) sockets.get(key);    if (s == null)      return null;        // Ensure that the socket is fully reusable.        else if (not_reusable(s))      {        sockets.remove(key);        return null;      }    else      {        try          {            // Set one minute time out that will be changed later.                s.setSoTimeout(60 * 1000);          }        catch (SocketException e)          {            s = null;          }            sockets.remove(key);        return s;      }  }  }