if (sep == -1) break;
  private void parseString(String str) throws IOException  {    Reader in = new StringReader(str);    while (true)      {        String key = readAttributeType(in);        if (key == null)          break;        String value = readAttributeValue(in);        putComponent(key, value);        if (sep == ',')          newRelativeDistinguishedName();      }  }