public IoBuffer fetchOutNetBuffer() {
        IoBufferEx answer = outNetBuffer;
        if (answer == null) {
            return (IoBuffer) emptyBuffer;
        }

        outNetBuffer = null;
        return (IoBuffer) answer.shrink(allocator);
    }
public IoBuffer fetchOutNetBuffer ( ) { IoBufferEx answer = outNetBuffer ; if ( answer == null ) { return ( IoBuffer ) emptyBuffer ; } outNetBuffer = null ; return ( IoBuffer ) answer . shrink ( allocator ) ; }
Get encrypted data to be sent.

@return buffer with data