* </p>
 *
 * @see <a href="https://developers.google.com/search/docs/crawling-indexing/sitemaps/news-sitemap">Google News Sitemaps</a>
 */
public class SitemapNews implements Serializable {

    private static final long serialVersionUID = 1L;

    /**
     * The name of the news publication.
     * It must exactly match the name as it appears on your articles.
     */

 * </p>
 *
 * @see <a href="https://developers.google.com/search/docs/crawling-indexing/sitemaps/image-sitemaps">Google Image Sitemaps</a>
 */
public class SitemapImage implements Serializable {

    private static final long serialVersionUID = 1L;

    /**
     * The URL of the image.
     * In some cases, the image URL may not be on the same domain as your main site.
     */
    private String loc;

    }

    /**
     * Adds sitemaps to the thread-local storage.
     * @param sitemaps An array of sitemap URLs.
     */
    public void addSitemaps(final String[] sitemaps) {
        sitemapsLocal.set(sitemaps);
    }

    /**
     * Removes sitemaps from the thread-local storage and returns them.
     * @return An array of sitemap URLs, or null if none were present.
     */

 * </p>
 *
 * @see <a href="https://developers.google.com/search/docs/crawling-indexing/sitemaps/video-sitemaps">Video Sitemaps</a>
 */
public class SitemapVideo implements Serializable {

    private static final long serialVersionUID = 1L;

    /**
     * A URL pointing to the video thumbnail image file.
     * Images must be at least 160x90 pixels and at most 1920x1080 pixels.
     */

    protected static final Pattern CRAWL_DELAY_RECORD = Pattern.compile("^crawl-delay:\\s*([^\\s]+)\\s*$", Pattern.CASE_INSENSITIVE);

    /**
     * Pattern for Sitemap record.
     */
    protected static final Pattern SITEMAP_RECORD = Pattern.compile("^sitemap:\\s*([^\\s]+)\\s*$", Pattern.CASE_INSENSITIVE);

    /** Whether robots.txt processing is enabled. */
    protected boolean enabled = true;

    /**

    controller.setDefaultIntervalTime(1000);
});
```

### Sitemap Support

```java
// Enable sitemap processing
container.singleton("sitemapsRule", SitemapsRule.class, rule -> {
    rule.addRule("url", ".*sitemap.*");
});

// Add sitemap URL
crawler.addUrl("https://example.com/sitemap.xml");
```

## Data Access and Storage

### Accessing Crawled Data

```java

			<component
				class="org.codelibs.fess.crawler.processor.impl.SitemapsResponseProcessor">
			</component>
		</property>
		<postConstruct name="addRule">
			<arg>"url"</arg>
			<arg>".*sitemap.*"</arg>
		</postConstruct>
	</component>

	<component name="fileRule" class="org.codelibs.fess.crawler.rule.impl.RegexRule">
		<property name="ruleId">"fileRule"</property>
		<property name="defaultRule">true</property>

 * governing permissions and limitations under the License.
 */
package org.codelibs.fess.crawler.entity;

import java.io.Serializable;

/**
 * Represents an alternate link entry within a sitemap URL.
 * This class encapsulates the properties of an alternate link as defined in the hreflang annotation.
 *
 * <p>
 * The hreflang attribute tells search engines about alternate versions of a page in different languages

            robotTxtFile.deleteOnExit();

            // sitemaps.xml
            buf = new StringBuilder();
            buf.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>").append('\n');
            buf.append("<urlset ").append("xmlns=\"http://www.sitemaps.org/schemas/sitemap/0.9\">").append('\n');
            buf.append("<url>").append('\n');

            robotTxtFile.deleteOnExit();

            // sitemaps.xml
            buf = new StringBuilder();
            buf.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>").append('\n');
            buf.append("<urlset ").append("xmlns=\"http://www.sitemaps.org/schemas/sitemap/0.9\">").append('\n');
            buf.append("<url>").append('\n');