public void loadPlayList(){
		try {
			BufferedReader reader = new BufferedReader(new FileReader(new File("playlist.txt")));
			String buff = null;
			String str = "";
			while((buff = reader.readLine()) != null){
				str += buff;
			}
			reader.close();
			
			JSONArray jsonArr = JSONArray.fromObject(str);
			for(int i = 0; i < jsonArr.size(); i++){
				JSONObject obj = jsonArr.getJSONObject(i);
				String title = obj.getString("title");
				String author = obj.getString("author");
				String path = obj.getString("path");
				String cover = obj.getString("cover");
				boolean local = obj.getBoolean("local");
				dataListModel.addElement(new PlayListItem(title, author, path, cover, local));
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
	}