Xively ParserUtil API

Question

I am trying to use the ParserUtil to deserialize and serialize Xively data objects such as Datastream and Datapoint.

While the toJson function works perfectly, I can't get toConnectedObject and toConnectedObjects function working.

The following is the code excerpt and corresponding log.

String jsonDP=ParserUtil.toJson(false, dp);

Datapoint dpNew=ParserUtil.toConnectedObject(jsonDP, Datapoint.class);

LOGGER.debug(ParserUtil.toJson(false, dpNew));

Log:

2013-08-28 11:45:31,348 2064  DEBUG [ParserUtil.java: 136] (main:) Parsing models to json
2013-08-28 11:45:31,376 2092  DEBUG [ParserUtil.java: 187] (main:) Parsed json from     models: {"datapoints":[{"at":"2012-02-19T00:00:02.283064Z","value":"261"}]}
2013-08-28 11:45:31,376 2092  DEBUG [ParserUtil.java: 221] (main:) Parsing string to object: {"datapoints":[{"at":"2012-02-19T00:00:02.283064Z","value":"261"}]}
2013-08-28 11:45:31,377 2093  DEBUG [ParserUtil.java: 136] (main:) Parsing models to json
2013-08-28 11:45:31,377 2093  DEBUG [ParserUtil.java: 187] (main:) Parsed json from models: {"datapoints":[{"value":null}]}
2013-08-28 11:45:31,377 2093  DEBUG [XivelyHelper.java: 295] (main:) {"datapoints":[{"value":null}]}

The result of toConnectedObject(jsonDP, Datapoint.class), newDP object, has both fields "at" and "value" set to null.

I tried the same procedure with Datastream object all the fields are null as well.

Answer 1

In this case the datapoints are in an array with just one element.