package rfx.server.util;
import java.net.MalformedURLException;
import java.net.URL;
public class UrlUtil {
public final static String REGEX_FOR_ROOT_DOMAIN = ".*\\.(?=.*\\.)";
public static String getRootDomain(String fullUrl) throws MalformedURLException{
return new URL(fullUrl).getHost().replaceAll(REGEX_FOR_ROOT_DOMAIN, "");
}
}