jakarta.faces.event.PreRenderViewEvent Maven / Gradle / Ivy
/*
* 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.event;
import jakarta.faces.component.UIViewRoot;
import jakarta.faces.context.FacesContext;
/**
*
*
* When an instance of this event is passed to {@link SystemEventListener#processEvent} or
* {@link ComponentSystemEventListener#processEvent}, the listener implementation may assume that the
* source of this event instance is the {@link UIViewRoot} instance that is about to be rendered.
*
*
*
*
*
* It is valid for a listener for this event to change the {@link UIViewRoot} in the current
* {@link jakarta.faces.context.FacesContext}, but the listener must ensure that the new UIViewRoot was
* created with a call to {@link jakarta.faces.application.ViewHandler#createView}, and that the view is fully populated
* with the children to be traversed during render. The listener implementation may call
* {@link jakarta.faces.view.ViewDeclarationLanguage#buildView} to populate the UIViewRoot.
*
*
*
*
* @since 2.0
*/
public class PreRenderViewEvent extends ComponentSystemEvent {
// ------------------------------------------------------------ Constructors
private static final long serialVersionUID = -781238104491250220L;
/**
*
*
* Instantiate a new PreRenderViewEvent that indicates the argument root is about to be
* rendered.
*
*
* @param root the UIViewRoot that is about to be rendered.
*
* @throws IllegalArgumentException if the argument is null.
*/
public PreRenderViewEvent(UIViewRoot root) {
super(root);
}
/**
*
* Instantiate a new PreRenderViewEvent that indicates the argument root is about to be
* rendered.
*
*
* @param facesContext the Faces context.
* @param root the UIViewRoot that is about to be rendered.
* @throws IllegalArgumentException if the argument is null.
*/
public PreRenderViewEvent(FacesContext facesContext, UIViewRoot root) {
super(facesContext, root);
}
}