}
    }

    @Override
    public void info(CharSequence content) {
        if (isInfoEnabled()) {
            logger.info(toString(content));
        }
    }

    @Override
    public void info(CharSequence content, Throwable error) {
        if (isInfoEnabled()) {
            logger.info(toString(content), error);
        }
    }

    @Override

    }

    @Override
    public void projectDiscoveryStarted(ExecutionEvent event) {
        if (logger.isInfoEnabled()) {
            init();
            logger.info("Scanning for projects...");
        }
    }

    @Override
    public void sessionStarted(ExecutionEvent event) {
        if (logger.isInfoEnabled() && event.getSession().getProjects().size() > 1) {
            init();
            infoLine('-');

        } else {
            fileConfigList = Collections.emptyList();
        }

        if (webConfigList.isEmpty() && fileConfigList.isEmpty()) {
            // nothing
            if (logger.isInfoEnabled()) {
                logger.info("No crawling target urls.");
            }
            return;
        }

        doCrawl(sessionId, webConfigList, fileConfigList);
    }

        return indexFromQueryLog(new QueryLog[] { queryLog });
    }

    public SuggestIndexResponse indexFromQueryLog(final QueryLog[] queryLogs) {
        if (logger.isInfoEnabled()) {
            logger.info("Index from querylog. num: {}", queryLogs.length);
        }
        try {
            final long start = System.currentTimeMillis();

            } else if (logger.isInfoEnabled()) {
                logger.info("IndexUpdater is terminated.");
                org.codelibs.fess.exec.Crawler.addError(t.getClass().getSimpleName());
            }
            forceStop();
        } finally {
            intervalControlHelper.setCrawlerRunning(true);
        }

        if (logger.isInfoEnabled()) {

    public void debug(Marker marker, String format, Object... arguments) {}

    public void debug(Marker marker, String msg, Throwable t) {}

    public boolean isInfoEnabled() {
        return false;
    }

    public void info(String msg) {}

    public void info(String format, Object arg) {}

    public void info(String format, Object arg1, Object arg2) {}

        logger.info(message);
    }

    public void info(String message, Throwable throwable) {
        setMdc();
        logger.info(message, throwable);
    }

    public boolean isInfoEnabled() {
        return logger.isInfoEnabled();
    }

    public void warn(String message) {
        setMdc();
        logger.warn(message);
    }

    public void warn(String message, Throwable throwable) {
        setMdc();

                final String settingsSource = getDefaultIndexSettings();
                final String indexName = createIndexName(index);
                if (logger.isInfoEnabled()) {
                    logger.info("Create suggest index: {}", indexName);
                }

        // TODO Not sure how best to set these for this implementation...
        return false;
    }

    /**
     * @see org.apache.maven.plugin.logging.Log#isInfoEnabled()
     */
    public boolean isInfoEnabled() {
        return true;
    }

    /**
     * @see org.apache.maven.plugin.logging.Log#isWarnEnabled()
     */
    public boolean isWarnEnabled() {
        return true;

    }

    public void setScrollSize(final int scrollSize) {
        this.scrollSize = scrollSize;
    }

    public void setLimitOfDocumentSize(final long limitOfDocumentSize) {
        if (logger.isInfoEnabled()) {
            logger.info("Set document limit: {}", limitOfDocumentSize);
        }
        this.limitOfDocumentSize = limitOfDocumentSize;
    }

    public void setQuery(final QueryBuilder queryBuilder) {