Die Codekopie lautet wie folgt:
public statische String -Gethost (String -URL) {
if (url == null || url.trim (). Equals ("")) {
zurückkehren "";
}
String host = "";
Muster p = muster.comPile ("(? <= // |) ((// w)+//.)+// w+");
Matcher Matcher = P.Matcher (URL);
if (matcher.find ()) {
host = matcher.group ();
}
Return Host;
}