}

            @Override
            public void processFile(final FileCopyDetailsInternal details) {
                if (isChildOfVisitedSymbolicLink(details) == false) {
                    if (isSymbolicLink(details)) {
                        visitSymbolicLink(details);
                    } else if (details.isDirectory()) {
                        visitDirectory(details);
                    } else {

                    assertTrue(entry.isSymbolicLink());
                    assertThat(entry.getLinkName(), anyOf(equalTo("../real-folder/file"), equalTo("..\\real-folder\\file")));
                    linkInFolderLinkToFileEntry = true;
                } else if (entry.getName().equals("link-to-real-folder")) {
                    assertTrue(entry.isSymbolicLink());

            responseData.setCharSet(charset);
            responseData.setContentLength(0);
            ftpClientQueue.offer(client);
            return;
        }

        if (file.isSymbolicLink()) {
            final String link = file.getLink();
            String redirect = null;
            if (link == null) {
                responseData.setHttpStatusCode(Constants.BAD_REQUEST_STATUS_CODE);

      // Don't return a size for directories or symbolic links; their sizes are implementation
      // specific and they can't be read as bytes using the read methods anyway.
      if (attrs.isDirectory() || attrs.isSymbolicLink()) {
        return Optional.absent();
      }

      return Optional.of(attrs.size());
    }

    @Override
    public long size() throws IOException {

      MoreFiles.deleteRecursively(file);

      assertFalse(Files.exists(file, NOFOLLOW_LINKS));

      Path symlink = fs.getPath("/symlinktodir");
      assertTrue(Files.isSymbolicLink(symlink));

      Path realSymlinkTarget = symlink.toRealPath();
      assertTrue(Files.isDirectory(realSymlinkTarget, NOFOLLOW_LINKS));

      MoreFiles.deleteRecursively(symlink);