Method children

output/java_guava/1.4.16/Files.java:835–845

(File file)

  private static final TreeTraverser<File> FILE_TREE_TRAVERSER = new TreeTraverser<File>() {
                                                                   @Override
                                                                   public Iterable<File> children(File file) {
          // check isDirectory() just because it may be faster than listFiles() on a non-directory
                                                                     if (file.isDirectory()) {
                                                                       File[] files = file.listFiles();
                                                                       if (files != null) {
                                                                         return Collections.unmodifiableList(Arrays.asList(files));
                                                                       }
                                                                     }
                                                                     return Collections.emptyList();
                                                                   }

                                                                   @Override
                                                                   public String toString() {