Parser converts any ParseObject to JSONObject or JSONString and vice versa. * Reflection is used for maintaining type compatibility. * Each ParseObject property value is stored as JSONArray [type, value] under given key. * Created by Łukasz Janyga on 2015-07-07.

PObjectToJsonParser

/**
 * Parser converts any ParseObject to JSONObject or JSONString and vice versa.
 * Reflection is used for maintaining type compatibility. 
 * Each ParseObject property value is stored as JSONArray [type, value] under given key.
 * Created by Łukasz Janyga on 2015-07-07.
 */
public class PObjectToJsonParser {

    public static JSONObject toJsonObject(ParseObject parseObject) {
        JSONObject jsonObject = new JSONObject();
        try {
            jsonObject.put("_parseClassName", parseObject.getClassName());
            for (String key : parseObject.keySet()) {
                try {
                    JSONArray jsonArray = new JSONArray();
                    jsonArray.put(parseObject.get(key).getClass().getName());
                    jsonArray.put(parseObject.get(key));
                    jsonObject.put(key, jsonArray);
                } catch (JSONException jsonException) {
                    jsonException.printStackTrace();
                }
            }
        } catch (JSONException e) {
            e.printStackTrace();
        }

        return jsonObject;
    }

    public static String toJsonString(ParseObject parseObject) {
        String jsonString = "";
        jsonString = toJsonObject(parseObject).toString();
        return jsonString;
    }

    public static ParseObject fromJsonObject(JSONObject jsonObject) {

        ParseObject parseObject = null;
        Iterator jsonIterator = jsonObject.keys();

        try {
            parseObject = ParseObject.create(jsonObject.getString("_parseClassName"));
            while (jsonIterator.hasNext()) {
                String key = (String) jsonIterator.next();
                if (!key.equals("_parseClassName")) {
                    Object object = createObjectOfClass(jsonObject.getJSONArray(key).getString(0), jsonObject.getJSONArray(key).getString(1));
                    parseObject.put(key, object);
                }
            }
        } catch (JSONException jsonException) {
            jsonException.printStackTrace();
        } catch (Exception e) {
            e.printStackTrace();
        }

        return parseObject;
    }

    public static ParseObject fromJsonString(String jsonString) {
        ParseObject parseObject = null;
        try {
            JSONObject jsonObject = new JSONObject(jsonString);
            parseObject = fromJsonObject(jsonObject);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return parseObject;
    }

    public static Object createObjectOfClass(String className, Object argument) {
        try {
            Class<?> cl = Class.forName(className);
            Constructor<?> ctor = cl.getConstructor(String.class);
            return ctor.newInstance(argument);
        } catch (Exception e) {
            e.printStackTrace();
            return null;
        }
    }
}