gistfile1.txt

private static List<File> findAllFiles(String baseDirectory) {
    List<File> files = new LinkedList<File>();
    List<File> directories = new LinkedList<File>();

    directories.add(new File(baseDirectory));

    while (!directories.isEmpty()) {
        File [] subFiles = directories.remove(0).listFiles();
        for (File f : subFiles) {
            if (f.isDirectory()) {
                directories.add(f);
            } else {
                files.add(f);
            }
        }
    }

    return files;
}