docs: public static String convertObjectToString(Object obj)
      {
          try {
              ByteArrayOutputStream writer = new ByteArrayOutputStream();
              ObjectOutputStream outStream = new ObjectOutputStream(writer);
              outStream.writeObject(obj);
              outStream.flush();
              writer.flush();
              String string = writer.toString(Constant.OBJECT_ENCODING);//Constants.STRING_ENCODING);
              writer.close();
              outStream.close();
              return string;
          } catch (IOException ex)    {
              ex.printStackTrace();   // Never
          }
          return null;
      }