public static boolean isBool(String strBool) {
        boolean blnResult = false;
        log.debug(String.format("method start String[strInt:%s]", strBool));
        if (strBool != null) {
            blnResult = Pattern.matches("^(true)|(false)$", strBool);
        }
        log.debug(String.format("method stop return:boolean[%s]", blnResult));
        return blnResult;
    }