コード例 #1
0
  void createImpl() throws SocketException {
    if (impl == null) {
      if (factory != null) {
        impl = factory.createDatagramSocketImpl();
        checkOldImpl();
      } else {
        boolean isMulticast = (this instanceof MulticastSocket) ? true : false;
        impl = DefaultDatagramSocketImplFactory.createDatagramSocketImpl(isMulticast);

        checkOldImpl();
      }
    }
    // creates a udp socket
    impl.create();
    created = true;
  }
コード例 #2
0
 /**
  * Creates an unbound datagram socket with the specified DatagramSocketImpl.
  *
  * @param impl an instance of a <B>DatagramSocketImpl</B> the subclass wishes to use on the
  *     DatagramSocket.
  * @since 1.4
  */
 protected DatagramSocket(DatagramSocketImpl impl) {
   if (impl == null) throw new NullPointerException();
   this.impl = impl;
   checkOldImpl();
 }