if (StringUtil.isBlank(content)) {
            return "<pre class=\"" + style + "\">" + input.replaceAll("L[0-9]+:", StringUtil.EMPTY).trim() + "</pre>";
        }
        return "<pre class=\"" + style + " linenums:" + lineNum + "\">" + content + "</pre>";
    }

    public static String getMessage(final String key, final String defaultValue) {

            return authenticator;
        }
        try {
            // set some System properties
            final SpnegoFilterConfig config = SpnegoFilterConfig.getInstance(new SpengoConfig());

            // pre-authenticate
            authenticator = new org.codelibs.spnego.SpnegoAuthenticator(config);

            fessConfig.setSystemPropertyAsBoolean(SPNEGO_INITIALIZED, true);
            fessConfig.storeSystemProperties();