All Downloads are FREE. Search and download functionalities are using the official Maven repository.

javax.faces.event.FacesEvent Maven / Gradle / Ivy

Go to download

This is the master POM file for Sun's Implementation of the JSF 2.1 Specification.

There is a newer version: 2.2.20
Show newest version
/*
 * 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.dev.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.event;


import java.util.EventObject;
import javax.faces.component.UIComponent;
import javax.faces.component.UIViewRoot;


/**
 * 

FacesEvent is the base class for user interface and * application events that can be fired by {@link UIComponent}s. Concrete * event classes must subclass {@link FacesEvent} in order to be supported * by the request processing lifecycle.

*/ public abstract class FacesEvent extends EventObject { // ------------------------------------------------------------ Constructors /** *

Construct a new event object from the specified source component.

* * @param component Source {@link UIComponent} for this event * * @throws IllegalArgumentException if component is * null */ public FacesEvent(UIComponent component) { super(component); } // -------------------------------------------------------------- Properties /** *

Return the source {@link UIComponent} that sent this event. */ public UIComponent getComponent() { return ((UIComponent) getSource()); } private PhaseId phaseId = PhaseId.ANY_PHASE; /** *

Return the identifier of the request processing phase during * which this event should be delivered. Legal values are the * singleton instances defined by the {@link PhaseId} class, * including PhaseId.ANY_PHASE, which is the default * value.

*/ public PhaseId getPhaseId() { return phaseId; } /** *

Set the {@link PhaseId} during which this event will be * delivered.

* * @throws IllegalArgumentException phaseId is null. * */ public void setPhaseId(PhaseId phaseId) { if (null == phaseId) { throw new IllegalArgumentException(); } this.phaseId = phaseId; } // ------------------------------------------------- Event Broadcast Methods /** *

Convenience method to queue this event for broadcast at the end * of the current request processing lifecycle phase.

* * @throws IllegalStateException if the source component for this * event is not a descendant of a {@link UIViewRoot} */ public void queue() { getComponent().queueEvent(this); } /** *

Return true if this {@link FacesListener} is an instance * of a listener class that this event supports. Typically, this will be * accomplished by an "instanceof" check on the listener class.

* * @param listener {@link FacesListener} to evaluate */ public abstract boolean isAppropriateListener(FacesListener listener); /** *

Broadcast this {@link FacesEvent} to the specified * {@link FacesListener}, by whatever mechanism is appropriate. Typically, * this will be accomplished by calling an event processing method, and * passing this {@link FacesEvent} as a paramter.

* * @param listener {@link FacesListener} to send this {@link FacesEvent} to * * @throws AbortProcessingException Signal the JavaServer Faces * implementation that no further processing on the current event * should be performed */ public abstract void processListener(FacesListener listener); }




© 2015 - 2024 Weber Informatics LLC | Privacy Policy