userService.changePassword(username, form.newPassword);
            saveInfo(messages -> messages.addSuccessChangedPassword(GLOBAL));
        } catch (final Exception e) {
            logger.warn("Failed to change password for {}", username, e);
            throwValidationError(messages -> messages.addErrorsFailedToChangePassword(GLOBAL), toIndexPage);
        }
        return redirect(getClass());
    }

            userService.changePassword(username, form.password);
            saveInfo(messages -> messages.addSuccessChangedPassword(GLOBAL));
        } catch (final Exception e) {
            logger.warn("Failed to change newPassword for {}", username, e);
            throwValidationError(messages -> messages.addErrorsFailedToChangePassword(GLOBAL), toIndexPage);
        }

import org.lastaflute.web.response.ApiResponse;
import org.lastaflute.web.response.JsonResponse;

/**
 * @author jflute
 */
public class FessApiFailureHook implements ApiFailureHook { // #change_it for handling API failure

    private static final Logger logger = LogManager.getLogger(FessApiFailureHook.class);

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

    private static final Logger logger = LogManager.getLogger(FessBaseAction.class);

    /** The application type for FESs, e.g. used by access context. */
    protected static final String APP_TYPE = "FES"; // #change_it_first

    /** The user type for Admin, e.g. used by access context. */
    protected static final String USER_TYPE = "A";

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

    public static final String ERRORS_no_user_for_changing_password = "{errors.no_user_for_changing_password}";

    /** The key of the message: Failed to change your password. */
    public static final String ERRORS_failed_to_change_password = "{errors.failed_to_change_password}";

    /** The key of the message: Unknown version information. */

    protected FessUserTimeZoneProcessProvider createUserTimeZoneProcessProvider() {
        return new FessUserTimeZoneProcessProvider();
    }

    protected FessCookieResourceProvider createCookieResourceProvider() { // #change_it_first
        final InvertibleCryptographer cr = InvertibleCryptographer.createAesCipher("*unused@");
        return new FessCookieResourceProvider(fessConfig, cr);
    }

import org.lastaflute.web.servlet.session.SessionManager;

/**
 * @author jflute
 * @author shinsuke
 */
public class FessLoginAssist extends TypicalLoginAssist<String, FessUserBean, FessUser> // #change_it also UserBean
        implements PrimaryLoginManager {

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

        return OptionalObject.empty();
    }

    @Override
    public TimeZone getRequestedTimeZone(final RequestManager requestManager) { // not null
        return centralTimeZone; // you can change it if you like
    }

    @Override
    public String toString() {
        final StringBuilder sb = new StringBuilder();
        sb.append(DfTypeUtil.toClassTitle(this));

    String PAGING_PAGE_SIZE = "paging.page.size";

    /** The key of the configuration. e.g. 5 */
    String PAGING_PAGE_RANGE_SIZE = "paging.page.range.size";

    /** The key of the configuration. e.g. true */
    String PAGING_PAGE_RANGE_FILL_LIMIT = "paging.page.range.fill.limit";

    /** The key of the configuration. e.g. 1000 */
    String PAGE_DOCBOOST_MAX_FETCH_SIZE = "page.docboost.max.fetch.size";

import org.codelibs.fess.Constants;
import org.codelibs.fess.entity.FessUser;
import org.lastaflute.web.login.TypicalUserBean;

/**
 * @author jflute
 */
public class FessUserBean extends TypicalUserBean<String> { // #change_it also LoginAssist

    // ===================================================================================
    //                                                                          Definition