private String getDecodedParameterKey() throws IOException {
    String[] splitOnMark = requestArray[1].split("\\?");

    try {
      String parameters = splitOnMark[1];
      String paramsWithSpace = parameters.replaceAll("=", " = ");
      String paramsWithAmpSpace = paramsWithSpace.replaceAll("&", " ");
      return URLDecoder.decode(paramsWithAmpSpace, "UTF-8");
    } catch (ArrayIndexOutOfBoundsException e) {

      return "No Parameter Key Exists";
    }
  }