return children.get(name);
        } finally {
            lock.readLock().unlock();
        }
    }

    /**
     * Check if a child exists
     *
     * @param name child name
     * @return true if child exists
     */
    public boolean hasChild(String name) {
        lock.readLock().lock();
        try {
            lastAccessTime = System.currentTimeMillis();

    /** Indicates processing a response. */
    PROCESS_RESPONSE,
    /** Indicates the crawling process has finished. */
    FINISHED_CRAWLING,
    /** Indicates processing child URLs due to an exception. */
    PROCESS_CHILD_URLS_BY_EXCEPTION,
    /** Indicates processing a child URL due to an exception. */
    PROCESS_CHILD_URL_BY_EXCEPTION,
    /** Indicates an access exception during crawling. */
    CRAWLING_ACCESS_EXCEPTION,

<!DOCTYPE components PUBLIC "-//DBFLUTE//DTD LastaDi 1.0//EN"
	"http://dbflute.org/meta/lastadi10.dtd">
<components namespace="fessCrawler">
	<include path="crawler/container.xml" />

	<!-- Converts child links to normalize it. -->
	<component name="urlConvertHelper" class="org.codelibs.fess.crawler.helper.UrlConvertHelper">
	</component>

        }
    }

    /**
     * Stores a child URL in the crawling queue with duplicate host handling.
     * This method applies duplicate host conversion before storing the URL.
     *
     * @param childUrl the child URL to store
     * @param parentUrl the parent URL that referenced this child URL
     * @param weight the weight/priority of the child URL
     * @param depth the crawling depth of the child URL
     */

                    log.error("Failed to create child URL", e);
                    continue;
                }
            }

            try (SmbResource r = adapt(fe)) {
                if (this.filter.accept(r)) {
                    return r;
                }
            } catch (final MalformedURLException e) {
                log.error("Failed to create child URL", e);
                continue;

 * and adds them as child URLs to be crawled.
 *
 * <p>
 * This class uses a {@link SitemapsHelper} to parse the sitemap XML or text.
 * It then iterates through the sitemaps in the SitemapSet, extracts the URL
 * from each sitemap, and creates a new {@link RequestData} object for each URL.
 * These RequestData objects are added to a set of child URLs, which are then

        urlQueueService.offerAll(crawlerContext.sessionId, childList);
    }

    /**
     * Stores a single child URL to the crawling queue.
     * @param childUrl The child URL to store.
     * @param parentUrl The parent URL.
     * @param weight The weight of the child URL.
     * @param depth The depth of the child URL.
     */

            assertNotNull(child, "Child resource should not be null");
            assertSame(expectedChild, child, "Should return expected child resource");
        }
    }

    @Nested
    @DisplayName("File Attribute Tests")
    class FileAttributeTests {

        @Test
        @DisplayName("file type checks should work correctly")
        void testFileTypeChecks() throws CIFSException {
            // Given

            if (this.filter == null) {
                try {
                    return adapt(n);
                } catch (final MalformedURLException e) {
                    log.error("Failed to create child URL", e);
                    continue;
                }
            }
            try (SmbResource nr = adapt(n)) {
                if (!this.filter.accept(nr)) {
                    continue;
                }

        method.invoke(crawlerThread, "http://example.com/child", "http://example.com/", 1.0f, 2);

        verify(urlQueueService, times(1)).offerAll(anyString(), any());
    }

    /**
     * Test storeChildUrl with depth exceeding maxDepth.
     */
    public void test_storeChildUrl_exceedsMaxDepth() throws Exception {
        when(urlFilter.match("http://example.com/child")).thenReturn(true);