import org.codelibs.fess.helper.PermissionHelper;
import org.codelibs.fess.opensearch.config.exentity.AccessToken;
import org.codelibs.fess.util.ComponentUtil;
import org.lastaflute.web.Execute;
import org.lastaflute.web.response.JsonResponse;

/**
 * API action for admin access token.
 *
 */
public class ApiAdminAccesstokenAction extends FessApiAdminAction {

    /**
     * Default constructor.

    //                                                                      Search Execute
    //                                                                      ==============
    /**
     * The index page.
     * @return The HTML response for the index page.
     */
    @Execute
    public HtmlResponse index() {
        if (isLoginRequired()) {
            return redirectToLogin();
        }

 * it is invoked using this executor once the future's computation is {@linkplain Future#isDone()
 * complete}. If the computation has already completed when the listener is added, the listener will
 * execute immediately.
 *
 * <p>See the Guava User Guide article on <a
 * href="https://github.com/google/guava/wiki/ListenableFutureExplained">{@code
 * ListenableFuture}</a>.
 *
 * <p>This class is GWT-compatible.
 *

   * propagated. If, on the other hand, the time limit is reached, we attempt to abort the call to
   * the target, and throw a {@link TimeoutException} to the caller.
   *
   * @param callable the Callable to execute
   * @param timeoutDuration with timeoutUnit, the maximum length of time to wait
   * @param timeoutUnit with timeoutDuration, the maximum length of time to wait
   * @return the result returned by the Callable

    //                                                                      Search Execute
    //                                                                      ==============
    /**
     * Shows the main elevate word management page.
     *
     * @return HTML response for the elevate word list page
     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse index() {

    //                                                                      Search Execute
    //                                                                      ==============
    /**
     * Displays the related content management index page.
     *
     * @return HTML response for the related content list page
     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse index() {

    // ===================================================================================
    // Search Execute
    // ==============
    /**
     * Displays the search list management index page.
     *
     * @param form the list form for filtering
     * @return HTML response for the search list page
     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse index(final ListForm form) {

        QueryBuilder result = booleanQueryCommand.execute(context, booleanQuery, 1.0f);

        assertNotNull(result);
        assertTrue(result instanceof BoolQueryBuilder);

        BoolQueryBuilder boolResult = (BoolQueryBuilder) result;
        assertTrue(boolResult.hasClauses());
    }

    // Test execute method with non-BooleanQuery (should throw exception)

    }

    /**
     * Executes an external command with the given parameters.
     * @param commands The command array to execute.
     * @param username The username parameter for the command.
     * @param password The password parameter for the command.
     * @return The exit code of the executed command.
     */

Debido a que este código se ejecuta antes de que la aplicación **comience** a tomar requests, y justo después de que **termine** de manejarlos, cubre todo el **lifespan** de la aplicación (la palabra "lifespan" será importante en un momento 😉).