@Override
    public void delete(final Map<Path, TransferStatus> files, final PasswordCallback prompt, final Callback callback) throws BackgroundException {
        for(Path file : files.keySet()) {
            if(file.isFile() || file.isSymbolicLink()) {
                callback.delete(file);
                try {
                    session.sftp().remove(file.getAbsolute());
                }
                catch(IOException e) {
                    throw new SFTPExceptionMappingService().map("Cannot delete {0}", e, file);
                }
            }
        }
        for(Path file : files.keySet()) {
            if(file.isDirectory() && !file.isSymbolicLink()) {
                callback.delete(file);
                try {
                    session.sftp().removeDir(file.getAbsolute());
                }
                catch(IOException e) {
                    throw new SFTPExceptionMappingService().map("Cannot delete {0}", e, file);
                }
            }
        }
    }
@Test
    public void testDeleteFolder() throws Exception {
        final Path folder = new Path(new SFTPHomeDirectoryService(session).find(), UUID.randomUUID().toString(), EnumSet.of(Path.Type.directory));
        new SFTPDirectoryFeature(session).mkdir(folder, new TransferStatus());
        final Path file = new Path(folder, UUID.randomUUID().toString(), EnumSet.of(Path.Type.file));
        new SFTPTouchFeature(session).touch(file, new TransferStatus());
        final Path subdir = new Path(folder, UUID.randomUUID().toString(), EnumSet.of(Path.Type.directory));
        new SFTPDirectoryFeature(session).mkdir(subdir, new TransferStatus());
        new SFTPDeleteFeature(session).delete(Arrays.asList(subdir, file, folder), new DisabledLoginCallback(), new Delete.DisabledCallback());
    }