@Override public IpnbCellRaw deserialize( JsonElement json, Type typeOfT, JsonDeserializationContext context) throws JsonParseException { final JsonObject object = json.getAsJsonObject(); final IpnbCellRaw cellRaw = new IpnbCellRaw(); final JsonElement cell_type = object.get("cell_type"); if (cell_type != null) { cellRaw.cell_type = cell_type.getAsString(); } final JsonElement count = object.get("execution_count"); if (count != null) { cellRaw.execution_count = count.isJsonNull() ? null : count.getAsInt(); } final JsonElement metadata = object.get("metadata"); if (metadata != null) { cellRaw.metadata = gson.fromJson(metadata, Map.class); } final JsonElement level = object.get("level"); if (level != null) { cellRaw.level = level.getAsInt(); } final JsonElement outputsElement = object.get("outputs"); if (outputsElement != null) { final JsonArray outputs = outputsElement.getAsJsonArray(); cellRaw.outputs = Lists.newArrayList(); for (JsonElement output : outputs) { cellRaw.outputs.add(gson.fromJson(output, CellOutputRaw.class)); } } cellRaw.source = getStringOrArray("source", object); cellRaw.input = getStringOrArray("input", object); final JsonElement language = object.get("language"); if (language != null) { cellRaw.language = language.getAsString(); } final JsonElement number = object.get("prompt_number"); if (number != null) { cellRaw.prompt_number = number.getAsInt(); } return cellRaw; }