} catch (final UnsupportedEncodingException e) {
            throw new ClIllegalStateException(e);
        }
        final byte[] digest = msgDigest.digest();

        final StringBuilder buffer = new StringBuilder(200);
        for (final byte element : digest) {
            final String tmp = Integer.toHexString(element & 0xff);
            if (tmp.length() == 1) {
                buffer.append('0').append(tmp);

    }

    /**
     * Creates a digest (abbreviated summary) of document content.
     * Truncates and normalizes content to create a summary suitable for display.
     *
     * @param responseData the response data from crawling (not currently used)
     * @param content the content to create a digest from
     * @param dataMap additional data map (not currently used)

        });
    }

    /**
     * Generates a hashed ID from the provided URL ID string.
     * Encodes special characters using URL encoding or Base64 encoding as needed,
     * then applies a message digest algorithm to create a unique hash.
     *
     * @param urlId the URL ID string to generate a hash for
     * @return a hashed ID string generated from the input URL ID
     */

    MESSAGE_DIGEST_API() {
      @Override
      public byte[] hash(Algorithm algorithm, byte[] input) {
        MessageDigest md = algorithm.getMessageDigest();
        md.update(input);
        return md.digest();
      }
    },
    HASH_FUNCTION_DIRECT() {
      @Override
      public byte[] hash(Algorithm algorithm, byte[] input) {
        return algorithm.getHashFunction().hashBytes(input).asBytes();
      }
    },

    MESSAGE_DIGEST_API() {
      @Override
      public byte[] hash(Algorithm algorithm, byte[] input) {
        MessageDigest md = algorithm.getMessageDigest();
        md.update(input);
        return md.digest();
      }
    },
    HASH_FUNCTION_DIRECT() {
      @Override
      public byte[] hash(Algorithm algorithm, byte[] input) {
        return algorithm.getHashFunction().hashBytes(input).asBytes();
      }
    },

index.field.content=content
# Field name for content minhash bits in the index.
index.field.content_minhash_bits=content_minhash_bits
# Field name for cache in the index.
index.field.cache=cache
# Field name for digest in the index.
index.field.digest=digest
# Field name for title in the index.
index.field.title=title
# Field name for host in the index.
index.field.host=host
# Field name for site in the index.
index.field.site=site

            }
        }
        // digest
        final String digest = getSingleNodeValue(document, getDigestXpath(fessConfig, xpathConfigMap), node -> node);
        if (StringUtil.isNotBlank(digest)) {
            putResultDataBody(dataMap, fessConfig.getIndexFieldDigest(), digest);
        } else {
            putResultDataBody(dataMap, fessConfig.getIndexFieldDigest(),

     * The value is, e.g. 200 <br>
     * comment: Maximum length of file digest in documents.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getCrawlerDocumentFileMaxDigestLength();

    /**
     * Get the value for the key 'crawler.document.file.max.digest.length' as {@link Integer}. <br>

                    return "alerts,roles";

                case FessConfig.INDEX_FIELD_CACHE:
                    return "cache";
                case FessConfig.INDEX_FIELD_DIGEST:
                    return "digest";
                case FessConfig.INDEX_FIELD_HOST:
                    return "host";
                case FessConfig.INDEX_FIELD_SITE:
                    return "site";

        // mimetype
        defaultDataMap.put(fessConfig.getIndexFieldMimetype(), mimeType);
        // title
        // content
        // cache
        // digest
        // host
        // site
        // url
        // anchor
        // content_length
        // last_modified
        // id
        // virtual_host