!752

static boolean actualCopy = true;

static int maxCopy = 1024*1024*1024;

p {

  File dest = new File("/home/stefan/Downloads/Brilliance.mp4");

  //print(bytesToHex(firstBytesOfFile(dest, 10)));

  int downloaded = (int) dest.length();

  print("Existing: " + downloaded);

  URL url = new URL("http://cdl37.convert2mp3.net/download.php?id=youtube_pvcsa2ZesZY&key=bV7xjw9SuB4X&d=y");

  HttpURLConnection connection = (HttpURLConnection) url.openConnection();

  connection.setRequestProperty("Range", "bytes=" + downloaded + "-");

  InputStream in = connection.getInputStream();

  try {

    print("Length: " + connection.getContentLength());

    int status = connection.getResponseCode();

    print("Code: " + status);

    if (status != HttpURLConnection.HTTP_PARTIAL)

      fail("No partial download possible!");

    if (actualCopy) {

      FileOutputStream fos = new FileOutputStream(dest, true); // append

      print("Copied: " + copyStream(downloaded, downloaded+maxCopy, in, fos));

      fos.close();

    } else {

      new ByteArrayOutputStream bos;

      print("Tested: " + copyStream(downloaded, downloaded+10, in, bos));

      byte[] bytes = bos.toByteArray();

      print(bytesToHex(subArray(bytes, 0, 10)));

    }

  } finally {    

    in.close();

  }

}  

static long copyStream(int downloaded, long maxDownload, InputStream in, OutputStream out) ctex {

  byte[] buf = new byte[65536];

  long total = downloaded;

  while (total < maxDownload) {

    int n = in.read(buf);

    if (n <= 0) return total;

    out.write(buf, 0, n);

    total += n;

    print("Downloaded: " + toK(total) + " K");

  }

  ret total;

}

static byte[] subArray(byte[] b, int start, int end) {

  byte[] x = new byte[end-start];

  System.arraycopy(b, start, x, 0, end-start);

  ret x;

}