jakarta.faces.component.search.SearchExpressionHint Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of jakarta.faces-api Show documentation

Jakarta Faces defines an MVC framework for building user interfaces for web applications, including UI components, state management, event handing, input validation, page navigation, and support for internationalization and accessibility.

There is a newer version: 4.1.2

Show newest version

/*
 * Copyright (c) 1997, 2020 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package jakarta.faces.component.search;

import jakarta.faces.component.UIComponent;

/**
 * 
 * An enum that specifies hints that impact the behavior of a component tree search.
 * 
 *
 * @since 2.3
 */
public enum SearchExpressionHint {

    /**
     * 
     * Hint that indicates that if a expression resolves to null, null will be returned. Otherwise
     * a {@link ComponentNotFoundException} will be thrown.
     * 
     *
     * @since 2.3
     */
    IGNORE_NO_RESULT,

    /**
     * 
     * Hint that indicates that only real {@link UIComponent}s should be resolved. Virtual components are components, which
     * are reused in repeatable components like {@link jakarta.faces.component.UIData} or ui:repeat.
     * 
     *
     * @since 2.3
     */
    SKIP_VIRTUAL_COMPONENTS,

    /**
     * 
     * Hint that indicates that only one component should be resolved.
     *
     * This hint is important if a {@link SearchKeywordResolver} uses {@link UIComponent#visitTree}, as the tree visit can
     * be terminated after the first component was resolved.
     *
     * This hint will be automatically added internally if
     * {@link SearchExpressionHandler#resolveClientId(jakarta.faces.component.search.SearchExpressionContext, java.lang.String)}
     * or
     * {@link SearchExpressionHandler#resolveComponent(jakarta.faces.component.search.SearchExpressionContext, java.lang.String, jakarta.faces.component.ContextCallback)}
     * is used.
     * 
     *
     * @since 2.3
     */
    RESOLVE_SINGLE_COMPONENT,

    /**
     * 
     * Hint that indicates that a keyword can be resolved later and will just be returned as passthrough, if supported by
     * the keyword. For example: The AJAX client- and server-side is able to handle @all or @form. So it's not necessary at
     * all to resolve them to their clientId's on the server side.
     * 
     *
     * @see SearchKeywordResolver#isPassthrough(jakarta.faces.component.search.SearchExpressionContext, java.lang.String)
     *
     * @since 2.3
     */
    RESOLVE_CLIENT_SIDE
}