/guava/guava/src/com/google/common/io/Files.java
return Traverser.forTree( 1) ;
return Traverser.forTree ( FILE_TREE ) ;
checkNotNull(file); String fileName = new File(file).getName(); int dotIndex = fileName.lastIndexOf('.'); return (dotIndex == -1) ? fileName : fileName.substring(0, dotIndex); } public static Traverser<File> fileTraverser() { <extra_id_0> } private static final SuccessorsFunction<File> FILE_TREE = new SuccessorsFunction<File>() { @Override public Iterable<File> successors(File file) { if (file.isDirectory()) {