}
                stream(accessToken.getPermissions()).of(stream -> stream.forEach(permissionSet::add));
                final String name = accessToken.getParameterName();
                stream(request.getParameterValues(name)).of(stream -> stream.filter(StringUtil::isNotBlank).forEach(permissionSet::add));
                return OptionalEntity.of(permissionSet);

     * @return The parameter value array.
     */
    public static String[] getParamValueArray(final HttpServletRequest request, final String param) {
        return simplifyArray(request.getParameterValues(param));
    }

    /**
     * Creates a facet info.
     *
     * @param request The request.
     * @return The facet info.
     */

                    .get(stream -> stream.map(String::trim).filter(StringUtil::isNotEmpty).anyMatch(name -> {
                        final String[] values = req.getParameterValues(name);
                        if (values == null || values.length == 0 || StringUtil.isEmpty(values[0])) {
                            if (logger.isDebugEnabled()) {

                while (names.hasMoreElements()) {
                    final String name = names.nextElement();
                    if (name.startsWith(prefix)) {
                        final String[] values = request.getParameterValues(name);
                        if (values != null) {
                            for (final String value : values) {
                                buf.append('&');

        if (StringUtil.isNotBlank(key)) {
            tags = ArrayUtils.addAll(tags, key);
        }
        final String[] fields = request.getParameterValues("field");

        final PopularWordHelper popularWordHelper = ComponentUtil.getPopularWordHelper();

        final StringBuilder buf = new StringBuilder(255);
        try {