* in Fess web templates, including date formatting, localization, file operations, and
 * query parameter handling.
 *
 * @since 1.0
 */
public class FessFunctions {
    /** Logger instance for this class */
    private static final Logger logger = LogManager.getLogger(FessFunctions.class);

    /** Prefix for geographic query parameters */
    private static final String GEO_PREFIX = "geo.";

    /** Prefix for facet query parameters */

import java.util.Collections;
import java.util.Date;
import java.util.List;
import java.util.Map;

import org.codelibs.fess.Constants;
import org.codelibs.fess.crawler.util.CharUtil;
import org.codelibs.fess.taglib.FessFunctions;
import org.lastaflute.web.util.LaRequestUtil;

import jakarta.servlet.http.HttpServletRequest;

/**
 * Utility class for document data manipulation and type conversion.

                                }
                                final Date dt = FessFunctions.parseDate(values[0], dateFormat);
                                if (dt != null) {
                                    dataMap.put(mapping.getValue1(), FessFunctions.formatDate(dt));
                                } else {

import java.util.concurrent.atomic.AtomicInteger;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.codelibs.fess.crawler.entity.UrlQueue;
import org.codelibs.fess.taglib.FessFunctions;
import org.codelibs.fess.util.ComponentUtil;
import org.dbflute.optional.OptionalThing;

import com.google.common.cache.CacheBuilder;
import com.google.common.cache.CacheLoader;

import org.codelibs.core.misc.Tuple4;
import org.codelibs.fess.Constants;
import org.codelibs.fess.helper.PermissionHelper;
import org.codelibs.fess.mylasta.action.FessUserBean;
import org.codelibs.fess.taglib.FessFunctions;
import org.codelibs.fess.util.ComponentUtil;
import org.codelibs.fess.util.JvmUtil;
import org.codelibs.fess.util.PrunedTag;
import org.dbflute.optional.OptionalThing;
import org.dbflute.util.DfTypeUtil;