}
        }
        return input;
    }

    public boolean hasUAMathcer() {
        return StringUtil.isNotBlank(getUserAgent());
    }

    public Matcher getUAMatcher(final CharSequence input) {
        if (!hasUAMathcer()) {
            return null;
        }

        if (userAgentPattern == null) {

     *
     * @param pathMapping the path mapping
     * @return true if the user agent matches
     */
    protected boolean matchUserAgent(final PathMapping pathMapping) {
        if (!pathMapping.hasUAMathcer()) {
            return true;
        }

        if (SingletonLaContainerFactory.getExternalContext().getRequest() != null) {
            return LaRequestUtil.getOptionalRequest().map(request -> {