public void saveToFile() throws IOException {
		File a = Engine.UploadsCache;
		BufferedWriter c = new BufferedWriter(new OutputStreamWriter(new DataOutputStream(new FileOutputStream(a))));
		for (Uploader b : Uploads.values()) {
			c.write("U:"+b.username+"\n");
			Set<String> e = b.URLs.keySet();
			for (String d : e) {
				String t = d;
				String u = b.URLs.get(d);
				c.write(t+"|URL|"+u+"\n");
			}
		}
		c.flush();
		c.close();
	}

	public void loadFromFile() throws IOException {
		File a = Engine.UploadsCache;
		if (!a.exists())
			throw new IOException("File does not exist.");
		BufferedReader b = new BufferedReader(new InputStreamReader(new DataInputStream(new FileInputStream(a))));
		String l = "";
		String user = "";
		Uploader c;
		while ((l = b.readLine()) != null) {
			if (l.startsWith("U:")) {
				user = l.replaceAll("U:", "");
				c = new Uploader(user);
				Uploads.put(user, c);
			}
			else {
				String[] d = l.split("\\|URL\\|");
				String t = d[0];
				String url = d[1];
				Uploads.get(user).addVideo(t, url);
			}

		}
		b.close();
		a.delete();
	}