public static String toJsonString(List<BaseMap> maps) throws JSONException {
JSONArray array = new JSONArray();
for (BaseMap map : maps) {
array.put(map.toJson());
}
return array.toString();
}
public static List<BaseMap> fromJsonString(String json) throws JSONException {
List<BaseMap> maps = new ArrayList<>();
if (json.length() == 0) return maps;
JSONArray array = new JSONArray(json);
for (int i = 0; i < array.length(); i++) {
JSONObject jsonObject = array.getJSONObject(i);
BaseMap map = new BaseMap();
map.parentFolder = jsonObject.getString(PARENT_FOLDER);
map.databasePath = jsonObject.getString(DATABASE_PATH);
map.mapType = jsonObject.getString(MAP_TYPE);
map.title = jsonObject.getString(TITLE);
File databaseFile = new File(map.databasePath);
if (databaseFile.exists()) {
maps.add(map);
}
}
return maps;
}