FileManager.java 文件源码

public static Object readData(Type.Project project, String key) {
    File root = getProjectFile(project);
    File data = new File(root, "data.json");

    try {
        BufferedReader reader = new BufferedReader(new FileReader(data));
        BufferedWriter writer = new BufferedWriter(new FileWriter(data));

        String line;
        JSONObject json = new JSONObject();
        while((line = reader.readLine()) != null) {
            JSONObject object = new JSONObject(line);
            if(object.has(key)) {
                return object.get(key);
            }
        }
        writer.write(json.toString());
    } catch(IOException err) {}
    catch (JSONException e) {
        e.printStackTrace();
    }

    return null;
}