}

    @Override
    public int getPageSize() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        if (num == null) {
            num = fessConfig.getPagingSearchPageSizeAsInteger();
        }
        if (num > fessConfig.getPagingSearchPageMaxSizeAsInteger().intValue() || num <= 0) {
            num = fessConfig.getPagingSearchPageMaxSizeAsInteger();
        }
        return num;

    }

    @Override
    public int getPageSize() {
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        if (num == null) {
            num = fessConfig.getPagingSearchPageSizeAsInteger();
        } else {
            try {
                if (num.intValue() > fessConfig.getPagingSearchPageMaxSizeAsInteger().intValue() || num.intValue() <= 0) {

                return pageSize;
            }

            final String num = request.getParameter("num");
            if (StringUtil.isBlank(num)) {
                pageSize = fessConfig.getPagingSearchPageSizeAsInteger();
            } else {
                try {
                    pageSize = Integer.parseInt(num);

     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     * @throws NumberFormatException When the property is not integer.
     */
    Integer getPagingSearchPageSizeAsInteger();

    /**
     * Get the value for the key 'paging.search.page.max.size'. <br>
     * The value is, e.g. 100 <br>
     * comment: Maximum size of search results per page.