* Please note that the value of this tag is considered a hint and not a
     * command. Even though search engine crawlers may consider this information
     * when making decisions, they may crawl pages marked "hourly" less
     * frequently than that, and they may crawl pages marked "yearly" more
     * frequently than that. Crawlers may periodically crawl pages marked
     * "never" so that they can handle unexpected changes to those pages.
     */

import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.crawler.Constants;
import org.codelibs.fess.crawler.entity.AccessResult;
import org.codelibs.fess.crawler.entity.OpenSearchUrlQueue;
import org.codelibs.fess.crawler.entity.UrlQueue;
import org.codelibs.fess.crawler.exception.OpenSearchAccessException;
import org.codelibs.fess.crawler.service.UrlQueueService;
import org.codelibs.fess.crawler.util.OpenSearchCrawlerConfig;

    /** Indicates a general exception during crawling. */
    CRAWLING_EXCEPTION,
    /** Indicates no URL is available in the queue. */
    NO_URL_IN_QUEUE,
    /** Indicates the start of a crawler thread. */
    START_THREAD,
    /** Indicates the finish of a crawler thread. */
    FINISHED_THREAD,
    /** Indicates no response processor is available. */
    NO_RESPONSE_PROCESSOR,
    /** Indicates no rule is available for processing. */

import org.codelibs.fess.Constants;
import org.codelibs.fess.crawler.Crawler;
import org.codelibs.fess.crawler.CrawlerContext;
import org.codelibs.fess.crawler.CrawlerStatus;
import org.codelibs.fess.crawler.interval.FessIntervalController;
import org.codelibs.fess.crawler.service.impl.OpenSearchDataService;
import org.codelibs.fess.crawler.service.impl.OpenSearchUrlFilterService;
import org.codelibs.fess.crawler.service.impl.OpenSearchUrlQueueService;

* [LastaFlute](https://github.com/lastaflute/lastaflute "LastaFlute"): Web-Framework
* [Lasta Job](https://github.com/lastaflute/lasta-job "Lasta Job"): Job-Scheduler
* [Fess Crawler](https://github.com/codelibs/fess-crawler "Fess Crawler"): Web-Crawler

import org.codelibs.core.lang.StringUtil;
import org.codelibs.fess.Constants;
import org.codelibs.fess.crawler.entity.AccessResult;
import org.codelibs.fess.crawler.entity.AccessResultData;
import org.codelibs.fess.crawler.entity.UrlQueue;
import org.codelibs.fess.crawler.util.CrawlingParameterUtil;
import org.codelibs.fess.crawler.util.FieldConfigs;
import org.codelibs.fess.mylasta.direction.FessConfig;

    protected DynamicProperties systemProperties;

    /** Service for managing web crawler configurations */
    @Resource
    protected WebConfigService webConfigService;

    /** Service for managing file crawler configurations */
    @Resource
    protected FileConfigService fileConfigService;

    /** Helper for managing crawler processes */
    @Resource
    protected ProcessHelper processHelper;

     * Document URL patterns to exclude from search index.
     */
    @CustomSize(maxKey = "form.admin.max.input.size")
    public String excludedDocUrls;

    /**
     * Additional configuration parameters for the crawler.
     */
    @CustomSize(maxKey = "form.admin.max.input.size")
    public String configParameter;

    /**
     * The maximum crawling depth from the starting URLs.
     */
    @Min(value = 0)

* [LastaFlute](https://github.com/lastaflute/lastaflute "LastaFlute") : Framework Web
* [Lasta Job](https://github.com/lastaflute/lasta-job "Lasta Job") : Planificateur de tâches
* [Fess Crawler](https://github.com/codelibs/fess-crawler "Fess Crawler") : Crawler Web

import java.util.Map;
import java.util.Set;

import org.codelibs.core.exception.IORuntimeException;
import org.codelibs.core.io.FileUtil;
import org.codelibs.fess.crawler.Constants;

/**
 * Represents the response data obtained from a crawled resource.
 * This class encapsulates various details of an HTTP response, including
 * status code, content type, content length, and the response body.