if (useEcsFormat) {
            printByEcs(valueMap);
        } else {
            printByLtsv(valueMap);
        }
    }

    /**
     * Print the log by LTSV.
     * @param valueMap The value map.
     */
    protected void printByLtsv(final Map<String, String> valueMap) {

        super.setUp();
        activityHelper = new ActivityHelper() {
            @Override
            protected void printByLtsv(final Map<String, String> valueMap) {
                valueMap.remove("time");
                valueMap.remove("ip");
                super.printByLtsv(valueMap);
            }

            @Override
            protected void printByEcs(final Map<String, String> valueMap) {