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

Go to download
Show more of this group Show more artifacts with this name
Show all versions of javax.faces-api Show documentation
This is the master POM file for Oracle's Implementation of the JSF 2.3 Specification.
There is a newer version: 2.3-pfd
/*
 * 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 java.io.IOException;
import javax.faces.component.UIComponent;


/**
 * A FaceletHandler that is derived of 1 or
 * more, inner FaceletHandlers. This class would be found if the next
 * FaceletHandler is structually, a body with multiple child elements as
 * defined in XML.  This class enables the Facelet runtime to traverse
 * the tree of {@link FaceletHandler} instances built by the Facelets
 * compiler.
 *
 */
public final class CompositeFaceletHandler implements FaceletHandler {

    private final FaceletHandler[] children;
    private final int len;

    public CompositeFaceletHandler(FaceletHandler[] children) {
        this.children = children;
        this.len = children.length;
    }

    /**
     * Calls apply on any child handlers.
     *
     * @param ctx the FaceletContext for this view execution
     *
     * @param parent the parent UIComponent of the
     * component represented by this element instance.
     * @since 2.0
     */
    public void apply(FaceletContext ctx, UIComponent parent) throws IOException {
        for (int i = 0; i < len; i++) {
            this.children[i].apply(ctx, parent);
        }
    }

    /**
     * Returns the array of child
     * handlers contained by this handler.
     */
    public FaceletHandler[] getHandlers() {
        return this.children;
    }
}