* URL encoding, and other document-related operations. It's designed as a final
 * utility class with only static methods.
 *
 */
public final class DocumentUtil {

    /**
     * Private constructor to prevent instantiation of this utility class.
     */
    private DocumentUtil() {
        // Utility class - no instantiation
    }

    /**
     * Gets a typed value from a document map with a default value.
     *

            }
            final String url = DocumentUtil.getValue(doc, fessConfig.getIndexFieldThumbnail(), String.class);
            if (StringUtil.isBlank(url)) {
                throw new ThumbnailGenerationException("Invalid thumbnail: " + url);
            }
            final String configId = DocumentUtil.getValue(doc, fessConfig.getIndexFieldConfigId(), String.class);

import org.codelibs.fess.helper.SearchLogHelper;
import org.codelibs.fess.helper.ViewHelper;
import org.codelibs.fess.opensearch.log.exentity.ClickLog;
import org.codelibs.fess.util.ComponentUtil;
import org.codelibs.fess.util.DocumentUtil;
import org.dbflute.util.DfTypeUtil;
import org.lastaflute.web.Execute;
import org.lastaflute.web.response.ActionResponse;
import org.lastaflute.web.response.HtmlResponse;
import org.lastaflute.web.response.StreamResponse;

        String language = getSupportedLanguage(DocumentUtil.getValue(doc, fessConfig.getIndexFieldLang(), String.class));
        if (language == null) {
            for (final String f : langFields) {
                if (doc.containsKey(f)) {
                    language = detectLanguage(DocumentUtil.getValue(doc, f, String.class));
                    if (language != null) {

import org.apache.logging.log4j.Logger;
import org.codelibs.fess.Constants;
import org.codelibs.fess.app.web.base.FessSearchAction;
import org.codelibs.fess.app.web.error.ErrorAction;
import org.codelibs.fess.util.DocumentUtil;
import org.lastaflute.web.Execute;
import org.lastaflute.web.response.ActionResponse;
import org.lastaflute.web.response.StreamResponse;

/**
 * Action class for handling cached document content requests.

        String title = DocumentUtil.getValue(document, fessConfig.getIndexFieldTitle(), String.class);
        if (StringUtil.isBlank(title)) {
            title = DocumentUtil.getValue(document, fessConfig.getIndexFieldFilename(), String.class);
            if (StringUtil.isBlank(title)) {
                title = DocumentUtil.getValue(document, fessConfig.getIndexFieldUrl(), String.class);
            }

            for (final Map<String, Object> doc : docList) {
                final String urlObj = DocumentUtil.getValue(doc, fessConfig.getIndexFieldUrl(), String.class);
                if (urlObj != null && urlList.contains(urlObj)) {
                    final String docIdObj = DocumentUtil.getValue(doc, fessConfig.getIndexFieldDocId(), String.class);
                    if (docIdObj != null) {

import org.codelibs.fess.opensearch.client.SearchEngineClient.SearchConditionBuilder;
import org.codelibs.fess.rank.fusion.SearchResult.SearchResultBuilder;
import org.codelibs.fess.util.ComponentUtil;
import org.codelibs.fess.util.DocumentUtil;
import org.codelibs.fess.util.FacetResponse;
import org.dbflute.optional.OptionalEntity;
import org.dbflute.optional.OptionalThing;
import org.lastaflute.web.util.LaRequestUtil;

import org.codelibs.fess.opensearch.config.exentity.CrawlingConfig;
import org.codelibs.fess.opensearch.config.exentity.CrawlingConfig.ConfigName;
import org.codelibs.fess.util.ComponentUtil;
import org.codelibs.fess.util.DocumentUtil;

/**
 * FessCrawlerThread is a specialized crawler thread implementation for the Fess search engine.
 * This class extends the base CrawlerThread and provides Fess-specific functionality for

import org.codelibs.fess.opensearch.config.exbhv.KeyMatchBhv;
import org.codelibs.fess.opensearch.config.exentity.KeyMatch;
import org.codelibs.fess.util.ComponentUtil;
import org.codelibs.fess.util.DocumentUtil;
import org.opensearch.index.query.BoolQueryBuilder;
import org.opensearch.index.query.QueryBuilder;
import org.opensearch.index.query.QueryBuilders;