Returns whether {@link #unwrap(ByteBuffer, ByteBuffer)} will
accept any more inbound data messages.
@return true if the <code>SSLEngine</code> will not
consume anymore network data (and by implication,
will not produce any more application data.)
@see #closeInbound()
Returns whether {@link #unwrap(ByteBuffer, ByteBuffer)} will accept any more inbound data messages.
@return true if the <code>SSLEngine</code> will not consume anymore network data (and by implication, will not produce any more application data.) @see #closeInbound()