private List<Map<String,Object>> jsonStringToLotBondWaferList(String snArray) {
List<Map<String,Object>> rwLocationList = new ArrayList<>();
JSONArray jsonArray = JSONUtils.toJSONArray(snArray);
for (Object object : jsonArray) {
JSONObject jsonObject = JSONObject.fromObject(object);
Map<String,Object> rwLocation =(Map<String, Object>) JSONUtils.toBean(jsonObject, Map.class);
rwLocationList.add(rwLocation);
}
return rwLocationList;
}