Method serialize

core/src/main/java/io/ddf/util/Utils.java:344–362

(Object obj)

    public static String serialize(Object obj) throws DDFException {
      if (obj == null) return "null";

      if (obj instanceof ISerializable) ((ISerializable) obj).beforeSerialization();

      Gson gson = new GsonBuilder().excludeFieldsWithoutExposeAnnotation().create();
      String json = gson.toJson(obj);

      // Add the bookkeeping fields, e.g., SERDES_CLASS_NAME_FIELD
      JsonObject jObj = toJsonObject(json);
      jObj.addProperty(SERDES_CLASS_NAME_FIELD, obj.getClass().getName());
      jObj.addProperty(SERDES_TIMESTAMP_FIELD, DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.LONG)
          .format(new Date()));
      jObj.addProperty(SERDES_USER_FIELD, System.getProperty("user.name"));


      json = gson.toJson(jObj);
      return json;
    }

    private static JsonObject toJsonObject(String json) {
      JsonElement jElement = new JsonParser().parse(json);