javax.faces.component.ContextCallback Maven / Gradle / Ivy

Go to download

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

This is the master POM file for Oracle's Implementation of the JSF 2.3 Specification.

There is a newer version: 2.3-pfd

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */

package javax.faces.component;

import javax.faces.context.FacesContext;

/**
 *
 * A simple callback interace that enables taking action on a
 * specific UIComponent (either facet or child) in the view while
 * preserving any contextual state for that component instance in the
 * view.
 *
 */
public interface ContextCallback {
    
    /**
     * This method will be called by an implementation of {@link
     * UIComponent#invokeOnComponent} and must be passed the component
     * with the clientId given as an argument to
     * invokeOnComponent.  At the point in time when this
     * method is called, the argument target is guaranteed
     * to be in the proper state with respect to its ancestors in the
     * View.
     *
     * @param context the FacesContext for this request.
     *
     * @param target the {@link UIComponent} that was located by
     * clientId by a call to {@link
     * UIComponent#invokeOnComponent}.
     */
    
    public void invokeContextCallback(FacesContext context, 
				      UIComponent target);
    
}