Delete directory

    /**
     * Recurse through directories if present, deleting all contents first so that the directory itself can be deleted.
     *
     * @param file
     * @return
     */
    private boolean delete(final File file) {

        boolean deleted = true;
        if (file.isDirectory()) {
            for (final File f : file.listFiles()) {
                if (f.isDirectory()) {
                    deleted &= delete(f);
                    if (!deleted) {
                        LOGGER.error("Coulnd't delete " + f);
                        return deleted;
                    }
                } else {
                    deleted &= f.delete();
                    if (!deleted) {
                        LOGGER.error("Coulnd't delete " + f);
                        return deleted;
                    }
                }
            }
        }
        deleted &= file.delete();
        if (!deleted) {
            LOGGER.error("Coulnd't delete " + file);
            return deleted;
        }
        return deleted;