Move Directory contents : Android/Java

MoveDirectoryContents.java

  /**
   * This utility method moves contents from sourceDirectory to destinationDirectory
   *
   * @param sourceDirectory      : from where to get contents
   * @param destinationDirectory : where to move contents
   * @return true if success, false otherwise.
   */
  public static boolean moveDirectoryContents(@NonNull File sourceDirectory, @NonNull File destinationDirectory) {
    if (!sourceDirectory.exists()) {
      return false;
    }
    if (!destinationDirectory.exists() && !destinationDirectory.mkdir()) {
      return false;
    }

    try {
      move(sourceDirectory, destinationDirectory);
    } catch (IOException e) {
      CrashReporter.reportNonFatal(e);
      return false;
    }

    // finally, delete/clean the source directory.
    deleteDirectory(sourceDirectory);
    return true;
  }


  private static void move(@NonNull File source, @NonNull File target) throws IOException {
    if (source.isDirectory()) {
      moveDirectory(source, target);
    } else {
      moveFile(source, target);
    }
  }

  private static void moveDirectory(@NonNull File source, @NonNull File target) throws IOException {
    if (!target.exists() && !target.mkdir()) {
      return;
    }

    for (String file : source.list()) {
      move(new File(source, file), new File(target, file));
    }
  }