/**
* Serialize sku details data to json
*
* @param skuDetails sku details data
* @return json string
* @throws JSONException
*/
private String skuDetailsToJson(SkuDetails skuDetails) throws JSONException {
return new JSONStringer()
.object()
.key("itemType")
.value(skuDetails.getItemType())
.key("sku")
.value(skuDetails.getSku())
.key("type")
.value(skuDetails.getType())
.key("price")
.value(skuDetails.getPrice())
.key("title")
.value(skuDetails.getTitle())
.key("description")
.value(skuDetails.getDescription())
.key("json")
.value(skuDetails.getJson())
.endObject()
.toString();
}