Method asciiAuthority

basex-core/src/main/java/org/basex/io/IOUrl.java:321–336

Returns the authority with the host part converted to ASCII (Punycode). @param authority authority string ([userinfo@]host[:port]) @return ASCII-encoded authority, or the original string if encoding fails

(final String authority)

   * @return ASCII-encoded authority, or the original string if encoding fails
   */
  private static String asciiAuthority(final String authority) {
    final int at = authority.indexOf('@');
    final String userInfo = at < 0 ? "" : authority.substring(0, at + 1);
    final String hostPort = at < 0 ? authority : authority.substring(at + 1);
    // skip IPv6 brackets when searching for the port colon
    final int bracket = hostPort.lastIndexOf(']');
    final int colon = hostPort.indexOf(':', Math.max(0, bracket));
    final String host = colon < 0 ? hostPort : hostPort.substring(0, colon);
    final String port = colon < 0 ? "" : hostPort.substring(colon);
    try {
      return userInfo + IDN.toASCII(host) + port;
    } catch(final IllegalArgumentException ex) {
      Util.debug(ex);
      return authority;
    }
  }
}