jakarta.faces.view.AttachedObjectHandler 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.view;
import jakarta.faces.component.UIComponent;
import jakarta.faces.context.FacesContext;
/**
*
* The abstract base interface for a handler representing an attached object in a VDL page. Subinterfaces are
* provided for the common attached objects that expose {@link jakarta.faces.component.behavior.Behavior},
* {@link jakarta.faces.convert.Converter}s, {@link jakarta.faces.validator.Validator}s,
* {@link jakarta.faces.event.ValueChangeListener}s, and {@link jakarta.faces.event.ActionListener}s for use by page
* authors.
*
*
* @since 2.0
*/
public interface AttachedObjectHandler {
/**
*
* Take the argument parent and apply this attached object to it. The action taken varies with class that
* implements one of the subinterfaces of this interface.
*
*
* @param context The FacesContext for this request
* @param parent The UIComponent to which this particular attached object must be applied.
*/
void applyAttachedObject(FacesContext context, UIComponent parent);
/**
*
* Return the value of the "for" attribute specified by the page author on the tag for this
* AttachedObjectHandler.
*
*
* @return the value of the "for" attribute for this attached object
*/
String getFor();
}