300 

   301     /**

   302      * {@inheritDoc}

   303      * <p>

   304      * If there is a security manager set, its {@code checkConnect} method is

   305      * called with the local address and {@code -1} as its arguments to see

   306      * if the operation is allowed. If the operation is not allowed,

   307      * a {@code SocketAddress} representing the

   308      * {@link java.net.InetAddress#getLoopbackAddress loopback} address and the

   309      * local port of the channel's socket is returned.

   310      *

   311      * @return  The {@code SocketAddress} that the socket is bound to, or the

   312      *          {@code SocketAddress} representing the loopback address if

   313      *          denied by the security manager, or {@code null} if the

   314      *          channel's socket is not bound

   315      *

   316      * @throws  ClosedChannelException     {@inheritDoc}

   317      * @throws  IOException                {@inheritDoc}

   318      */

   319     @Override

   320     public abstract SocketAddress getLocalAddress() throws IOException;