void
rrFromWire(DNSInput in) throws IOException {
	next = new Name(in);
	bitmap = new BitSet();
	int bitmapLength = in.remaining();
	for (int i = 0; i < bitmapLength; i++) {
		int t = in.readU8();
		for (int j = 0; j < 8; j++)
			if ((t & (1 << (7 - j))) != 0)
				bitmap.set(i * 8 + j);
	}
}
Creates an NXT Record from the given data
@param next The following name in an ordered list of the zone
@param bitmap The set of type for which records exist at this name
src/main/java/core/org/xbill/DNS/NXTRecord.java