javax.faces.view.facelets.FaceletsAttachedObjectHandler Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of jboss-jsf-api_2.2_spec Show documentation
JSR-000344: JavaServer(TM) Faces 2.2 API
The 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.
 *
 *
 * This file incorporates work covered by the following copyright and
 * permission notice:
 *
 * Copyright 2005-2007 The Apache Software Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package javax.faces.view.facelets;


import javax.faces.component.UIComponent;

import javax.faces.context.FacesContext;
import javax.faces.view.AttachedObjectHandler;

/**
 * Root class for all tag handlers that
 * represent attached objetcts in a Facelets page.
 */
public abstract class FaceletsAttachedObjectHandler extends DelegatingMetaTagHandler implements AttachedObjectHandler {

    /**
     * Call through to super
     * @param config configure this handler instance
     */
    public FaceletsAttachedObjectHandler(TagConfig config) {
        super(config);
    }

    /**
     * Return the underlying handler for
     * this tag handler instance.
     */
    protected final AttachedObjectHandler getAttachedObjectHandlerHelper() {
        return (AttachedObjectHandler) this.getTagHandlerDelegate();
    }

    /**
     * Take the necessary actions to apply
     * the attached object represented by the tag for the concrete
     * subclass of this class to the argument parent.
     * @param ctx the FacesContext for this request
     * @param parent The UIComponent to which this attached
     * object must be applied.
     */
    public final void applyAttachedObject(FacesContext ctx, UIComponent parent) {
        getAttachedObjectHandlerHelper().applyAttachedObject(ctx, parent);
    }

    /**
     * Return the value of the "for"
     * attribute.  This enables the runtime to know to which inner
     * component this attached object should be retargeted.
     */
    public final String getFor() {
        return getAttachedObjectHandlerHelper().getFor();
    }
    
}