Method getFileForUri

android/src/FileProvider.java:135–153

(Uri uri)

  private static native String getWaypointFileForUri(int id, String filename);

  private File getFileForUri(Uri uri) {
    String path = uri.getEncodedPath();

    int i = path.indexOf('/', 1);

    String tag = Uri.decode(path.substring(1, i));
    path = path.substring(i + 1);

    if (tag.equals("waypoints")) {
      i = path.indexOf('/', 1);
      int id = Integer.parseInt(Uri.decode(path.substring(0, i)));
      String name = Uri.decode(path.substring(i + 1));
      String file = getWaypointFileForUri(id, name);
      if (file == null)
        return null;
      return new File(file);
    } else
      throw new IllegalArgumentException("Unrecognised URI tag");
  }

  private static String[] copyOf(String[] original, int newLength) {
    final String[] result = new String[newLength];