/**
* Parse a domain name starting at the current offset and moving the input stream pointer past
* this domain name (even if cross references occure).
*
* @param dis The input stream.
* @param data The raw data (for cross references).
* @return The domain name string.
* @throws IOException Should never happen.
*/
public static String parse(DataInputStream dis, byte data[]) throws IOException {
int c = dis.readUnsignedByte();
if ((c & 0xc0) == 0xc0) {
c = ((c & 0x3f) << 8) + dis.readUnsignedByte();
HashSet<Integer> jumps = new HashSet<Integer>();
jumps.add(c);
return parse(data, c, jumps);
}
if (c == 0) {
return "";
}
byte b[] = new byte[c];
dis.readFully(b);
String s = IDN.toUnicode(new String(b));
String t = parse(dis, data);
if (t.length() > 0) {
s = s + "." + t;
}
return s;
}
public String host() {
return IDN.toUnicode(this.host);
}