labels.facet_contentLength_title:\
labels.facet_contentLength_10k=content_length:[0 TO 9999]\t\
labels.facet_contentLength_10kto100k=content_length:[10000 TO 99999]\t\
labels.facet_contentLength_100kto500k=content_length:[100000 TO 499999]\t\
labels.facet_contentLength_500kto1m=content_length:[500000 TO 999999]\t\
labels.facet_contentLength_1m=content_length:[1000000 TO *]\n\
labels.facet_filetype_title:\

        if (fileTypeHelper != null) {
            // filetype
            putResultDataBody(dataMap, fessConfig.getIndexFieldFiletype(), fileTypeHelper.get(mimeType));
        }
        // content_length
        putResultDataBody(dataMap, fessConfig.getIndexFieldContentLength(), Long.toString(responseData.getContentLength()));
        // last_modified
        final Date lastModified = responseData.getLastModified();

                    final long contentLength = Long.parseLong(value);
                    if (contentLengthHelper != null) {
                        final long maxLength = contentLengthHelper.getMaxLength("text/plain");
                        if (contentLength > maxLength) {
                            throw new MaxLengthExceededException("The content length (" + contentLength + " byte) is over " + maxLength