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

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

/*
 * 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;

/**
 * 

SystemEvent * is the base class for non-application specific events that can be fired by * arbitrary objects.

* * @since 2.0 */ public abstract class SystemEvent extends EventObject { private static final long serialVersionUID = 2696415667461888462L; // ------------------------------------------------------------ Constructors /** *

Pass the argument * source to the superclass constructor.

* @param source the source reference to be * passed to the superclass constructor. * * @throws IllegalArgumentException if the argument is * null. */ public SystemEvent(Object source) { super(source); } // ---------------------------------------------------------- Public Methods /** *

Return true * if this {@link FacesListener} is an * instance of a the appropriate listener class that this event * supports. The default implementation returns true if the listener * is a {@link ComponentSystemEventListener}.

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

Broadcast this event instance to the specified * {@link FacesListener}, by whatever mechanism is appropriate. Typically, * this will be accomplished by calling an event processing method, and * passing this instance 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 void processListener(FacesListener listener) { ((SystemEventListener) listener).processEvent(this); } }




© 2015 - 2024 Weber Informatics LLC | Privacy Policy