docs: private boolean isUnqualified(String url, String urlPattern) {
          boolean unqualified = false;
          if (urlPattern.indexOf(":") != -1) {
              int idx = urlPattern.indexOf(":");
              StringTokenizer st = new StringTokenizer(urlPattern.substring(idx + 1), ":");
              while (st.hasMoreTokens()) {
                  if (urlPatternMatch(st.nextToken(), url)) {
                      unqualified = true;
                      break;
                  }
              }
          }
          return unqualified;
      }