com.backendless.utils.JSONObjectConverter Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of backendless Show documentation

Android SDK used by developers to provide Backendless API in apps.

There is a newer version: 7.0-alpha

package com.backendless.utils;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

/**
 * When using easyLogin (for Facebook, Google+ or Twitter) the returned BackendlessUser can contain not correct fields:
 * JSONObject.NULL instead of null
 * JSONArray instead of List
 * JSONObject instead of Map
 *
 * This class is used to convert JSONObject.. fields into simple java.lang types
 */

public class JSONObjectConverter {
    public static Map toMap(JSONObject object) throws JSONException {
        Map map = new HashMap();
        Iterator keys = object.keys();
        while (keys.hasNext()) {
            String key = (String) keys.next();
            map.put(key, fromJson(object.get(key)));
        }
        return map;
    }

    public static List toList(JSONArray array) throws JSONException {
        List list = new ArrayList();
        for (int i = 0; i < array.length(); i++) {
            list.add(fromJson(array.get(i)));
        }
        return list;
    }

    public static Object fromJson(Object json) throws JSONException {
        if (json == JSONObject.NULL) {
            return null;
        } else if (json instanceof JSONObject) {
            return toMap((JSONObject) json);
        } else if (json instanceof JSONArray) {
            return toList((JSONArray) json);
        } else {
            return json;
        }
    }
}