Signals that no more outbound application data will be sent
on this <code>SSLEngine</code>.
<P>
This method is idempotent: if the outbound side has already
been closed, this method does not do anything.
<P>
{@link #wrap(ByteBuffer, ByteBuffer)} should be
called to flush any remaining handshake data.
Signals that no more outbound application data will be sent on this <code>SSLEngine</code>. <P> This method is idempotent: if the outbound side has already been closed, this method does not do anything. <P> {@link #wrap(ByteBuffer, ByteBuffer)} should be called to flush any remaining handshake data.
@see #isOutboundDone()