* @param combiner The function to combine the values of the true properties.
 *
 * @return A property that contains the reduced value.
 */
fun <T : Any> reduceBooleanFlagValues(flags: Map<Property<Boolean>, T>, combiner: (T, T) -> T): Provider<T> {
    return flags.entries
        .map { entry ->
            entry.key.map {
                when (it) {

/*
 * Copyright 2012-2025 CodeLibs Project and the Others.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,

     * and user authentication status.
     *
     * @return true if login is required, false otherwise
     */
    protected boolean isLoginRequired() {
        if (fessConfig.isLoginRequired() && !fessLoginAssist.getSavedUserBean().isPresent()) {
            return true;
        }
        return false;
    }

    /**

    public HtmlResponse index() {
        saveToken();
        return asHtml(path_AdminDesign_AdminDesignJsp).useForm(DesignForm.class);
    }

    /**
     * Go back to the index page.
     * @return The HTML response.
     */
    @Execute
    @Secured({ ROLE, ROLE + VIEW })
    public HtmlResponse back() {
        saveToken();
        return asHtml(path_AdminDesign_AdminDesignJsp).useForm(DesignForm.class);
    }

    @Resource
    private FesenClient fesenClient;

    private OpenSearchRunner runner;

    @Override
    protected String prepareConfigFile() {
        return "app.xml";
    }

    @Override
    protected boolean isUseOneTimeContainer() {
        return true;
    }

    @Override
    public void setUp() throws Exception {
        // create runner instance
        runner = new OpenSearchRunner();

                return entity;
            });
        case CrudMode.EDIT:
            if (form instanceof EditForm) {
                return ComponentUtil.getComponent(LabelTypeService.class).getLabelType(((EditForm) form).id);
            }
            break;
        default:
            break;
        }
        return OptionalEntity.empty();
    }

    /**

/*
 * Copyright 2012-2025 CodeLibs Project and the Others.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,

        return "";
    }

    /**
     * Returns the result data footer.
     * @return The result data footer.
     */
    protected String getResultDataFooter() {
        // TODO support other type
        return "</doc>";
    }

    /**
     * Trims space characters from the value.
     * @param value The value to trim.
     * @return The trimmed value.
     */

                    // Silently ignore invalid parameter errors - these may occur with certain server configurations
                    if (log.isDebugEnabled()) {
                        log.debug("Invalid parameter error.", e);
                    }
                    return;
                }
                throw new CIFSException("Failed to resolve SIDs", e);

///

## Validation de données

Si vous allez sur <a href="http://127.0.0.1:8000/items/foo" class="external-link" target="_blank">http://127.0.0.1:8000/items/foo</a>, vous aurez une belle erreur HTTP :

```JSON
{
    "detail": [
        {
            "loc": [
                "path",
                "item_id"
            ],
            "msg": "value is not a valid integer",
            "type": "type_error.integer"
        }
    ]