PathUtil

    public String getParentPath(final String originalPath) {

        boolean isSplitRequired = true;

        int lastSlashIndex = originalPath.lastIndexOf("/");

        if (lastSlashIndex == -1 && lastSlashIndex == 0) {

            isSplitRequired = false;

        }

        return isSplitRequired ?

                originalPath.substring(0,lastSlashIndex) : originalPath;

    }