private static String toString(Map<String, String> mapData) {
    StringBuilder stringData = new StringBuilder();

    for (Map.Entry<String, String> me : mapData.entrySet()) {
      stringData.append(me.getKey()).append("=\"").append(me.getValue()).append("\" ");
    }
    // Remove last space, if we did any appending
    if (stringData.length() > 0) {
      stringData.setLength(stringData.length() - 1);
    }

    return stringData.toString();
  }
private static String toString(Map<String, String> mapData)