//serializer = new DataStoreJSONSerializer();
//gridDataFeed = (JSONObject)serializer.serialize(dataStore);
serializer2 = new LookupStoreJSONSerializer();
gridDataFeed = (JSONObject)serializer2.serialize(dataStore);
try {
writeBackToClient( new JSONSuccess(gridDataFeed) );
} catch (IOException e) {
String message = "Impossible to write back the responce to the client";