*/
    protected Map<Pattern, CrawlerClient> clientMap = new LinkedHashMap<>();

    /**
     * Creates a new instance of CrawlerClientFactory.
     */
    public CrawlerClientFactory() {
        // NOP
    }

    /**
     * Initializes the CrawlerClientFactory.
     * Attempts to register itself with a "crawlerClientCreator" component if available.
     */
    @PostConstruct
    public void init() {

    public synchronized void register(final CrawlerClientFactory crawlerClientFactory) {
        clientMap.entrySet().stream().forEach(e -> load(crawlerClientFactory, e.getKey(), e.getValue()));
        clientFactoryList.add(crawlerClientFactory);
        if (clientFactoryList.size() > maxClientFactorySize) {
            clientFactoryList.remove(0);
        }
    }

    /**
     * Registers a client component with a regular expression.

     *
     * @param factory the underlying CrawlerClientFactory instance to delegate operations to
     */
    public CrawlerClientFactoryWrapper(final CrawlerClientFactory factory) {
        this.factory = factory;
    }

    /**
     * Returns the parent CrawlerClientFactory.
     * @return The parent CrawlerClientFactory.
     */
    public CrawlerClientFactory getParent() {
        return factory;
    }

        this.intervalController = intervalController;
    }

    /**
     * Returns the crawler client factory.
     * @return The CrawlerClientFactory instance.
     */
    public CrawlerClientFactory getClientFactory() {
        return clientFactory;
    }

    /**
     * Checks if the crawler is running in background mode.

import org.dbflute.utflute.core.PlainTestCase;

/**
 * @author shinsuke
 *
 */
public class CrawlerClientFactoryTest extends PlainTestCase {
    public CrawlerClientFactory clientFactory;

    @Override
    protected void setUp() throws Exception {
        super.setUp();

import org.codelibs.core.lang.SystemUtil;
import org.codelibs.fess.crawler.builder.RequestDataBuilder;
import org.codelibs.fess.crawler.client.CrawlerClient;
import org.codelibs.fess.crawler.client.CrawlerClientFactory;
import org.codelibs.fess.crawler.container.CrawlerContainer;
import org.codelibs.fess.crawler.entity.AccessResult;
import org.codelibs.fess.crawler.entity.RequestData;
import org.codelibs.fess.crawler.entity.ResponseData;

	</component>

	<component name="crawlerClientCreator"
		class="org.codelibs.fess.crawler.client.CrawlerClientCreator">
	</component>

	<component name="clientFactory"
		class="org.codelibs.fess.crawler.client.CrawlerClientFactory" instance="prototype">
		<postConstruct name="addClient">
			<arg>["http:.*", "https:.*"]</arg>
			<arg>httpClient</arg>
		</postConstruct>
		<postConstruct name="addClient">
			<arg>"file:.*"</arg>

                })
                .singleton("dataHelper", MemoryDataHelper.class)
                .singleton("robotsTxtHelper", RobotsTxtHelper.class)
                .<CrawlerClientFactory> singleton("clientFactory", CrawlerClientFactory.class, factory -> {
                    factory.addClient("http:.*", container.getComponent("httpClient"));
                    factory.addClient("file:.*", container.getComponent("fsClient"));