Helper function for casting / parsing Record when using Skygear

RecordHelper.java

import com.google.gson.Gson;

import java.util.Map;

import io.skygear.skygear.Record;


public class RecordHelper {

    public static <T> T toObject(Record record, Class<T> classOfT) {
        Gson gson = new Gson();
        String json = toJson(record);
        return gson.fromJson(json, classOfT);
    }

    public static String toJson(Record record) {
        Gson gson = new Gson();
        Map<String, Object> root = record.getData();
        Map<String, Object> firstLevel = record.getTransient();

        for (String key : firstLevel.keySet()) {
            Record r = (Record) firstLevel.get(key);
            root.put(key, r.getData());
        }

        return gson.toJson(root);
    }
}