private static final DateTimeFormatter ISO_8601_FORMATTER = DateTimeFormatter.ofPattern("yyyy-MM-dd'T'HH:mm:ss.SSS");

    @Resource
    private AsyncManager asyncManager;

    @Resource
    private WebConfigBhv webConfigBhv;

    @Resource
    private FileConfigBhv fileConfigBhv;

    @Resource
    private LabelTypeBhv labelTypeBhv;

    @Override
    protected void setupHtmlData(final ActionRuntime runtime) {

            if (fessLogPath == null) {
                fessLogPath = "../../logs";
            }
            op.replace("fess.log.path", fessLogPath.replace("\\", "/"));
        }).asYouLikeIt(resource -> {
            final Host host = resource.getHost();
            if (host instanceof final StandardHost standardHost) {
                standardHost.setErrorReportValveClass(SuppressErrorReportValve.class.getName());
            }

        return messageCode.substring(1, Math.max(1, messageCode.length() - CODE_NUMBER_LENGTH));
    }

    /**
     * Returns the resource bundle.
     *
     * @param systemName
     *            System name
     * @return Resource bundle
     */
    protected static ResourceBundle getResourceBundle(final String systemName) {
        if (!initialized) {
            initialize();
        }

    //                                                                           Attribute
    //                                                                           =========
    @Resource
    private DuplicateHostService duplicateHostService;
    @Resource
    private DuplicateHostPager duplicateHostPager;

    // ===================================================================================

     * Behavior class for web configuration operations.
     */
    @Resource
    protected WebConfigBhv webConfigBhv;

    /**
     * Behavior class for web authentication operations.
     */
    @Resource
    protected WebAuthenticationBhv webAuthenticationBhv;

    /**
     * Behavior class for request header operations.
     */
    @Resource
    protected RequestHeaderBhv requestHeaderBhv;

    /**

# CORS (Cross-Origin Resource Sharing)

<a href="https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS" class="external-link" target="_blank">CORS o "Cross-Origin Resource Sharing"</a> se refiere a situaciones en las que un frontend que se ejecuta en un navegador tiene código JavaScript que se comunica con un backend, y el backend está en un "origen" diferente al frontend.

## Origen

import jakarta.annotation.Resource;
import jakarta.servlet.http.HttpServletRequest;

/**
 * The service for access token.
 */
public class AccessTokenService {

    /**
     * Default constructor.
     */
    public AccessTokenService() {
        // nothing
    }

    /**
     * The behavior of access token.
     */
    @Resource
    protected AccessTokenBhv accessTokenBhv;

     * This provides database operations for RelatedQuery entities.
     */
    @Resource
    protected RelatedQueryBhv relatedQueryBhv;

    /**
     * Configuration properties for Fess application.
     * Used to access various configuration settings like paging parameters.
     */
    @Resource
    protected FessConfig fessConfig;

    /**

   * @param sources the sources to concatenate
   * @return a {@code CharSource} containing the concatenated data
   * @throws NullPointerException if any of {@code sources} is {@code null}
   * @since 15.0
   */
  public static CharSource concat(CharSource... sources) {
    return concat(ImmutableList.copyOf(sources));
  }

  /**
   * Returns a view of the given character sequence as a {@link CharSource}. The behavior of the

   * @param sources the sources to concatenate
   * @return a {@code CharSource} containing the concatenated data
   * @throws NullPointerException if any of {@code sources} is {@code null}
   * @since 15.0
   */
  public static CharSource concat(CharSource... sources) {
    return concat(ImmutableList.copyOf(sources));
  }

  /**
   * Returns a view of the given character sequence as a {@link CharSource}. The behavior of the