.append(StringEscapeUtils.escapeJson(e.getValue()))
                        .append('"'));
        buf.append('}');
        printLog(buf.toString());
    }

    /**
     * Print the log.
     * @param message The message.
     */
    protected void printLog(final String message) {
        logger.info(message);
    }

    /**
     * Get the client IP.
     * @return The client IP.