@Override public OperationRequest deserialize(JsonElement json, Type type, JsonDeserializationContext ctx) throws JsonParseException { JsonObject jsonObject = json.getAsJsonObject(); JsonObject parameters = jsonObject.getAsJsonObject(RequestProperty.PARAMS.key()); OperationRequest request = new OperationRequest( jsonObject.get(RequestProperty.METHOD.key()).getAsString(), jsonObject.get(RequestProperty.ID.key()).getAsString(), getPropertyAsStringThenRemove(parameters, ParamsProperty.WAVE_ID), getPropertyAsStringThenRemove(parameters, ParamsProperty.WAVELET_ID), getPropertyAsStringThenRemove(parameters, ParamsProperty.BLIP_ID)); for (Entry<String, JsonElement> parameter : parameters.entrySet()) { ParamsProperty parameterType = ParamsProperty.fromKey(parameter.getKey()); if (parameterType != null) { Object object; if (parameterType == ParamsProperty.RAW_DELTAS) { object = ctx.deserialize(parameter.getValue(), GsonFactory.RAW_DELTAS_TYPE); } else { object = ctx.deserialize(parameter.getValue(), parameterType.clazz()); } request.addParameter(Parameter.of(parameterType, object)); } } return request; }