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This is the master POM file for Oracle's Implementation of the JSF 2.2 Specification.
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/*
 * 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:
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 * 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
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 */

package com.sun.faces.renderkit.html_basic;

import com.sun.faces.util.FacesLogger;
import com.sun.faces.util.Util;

import java.io.IOException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.render.Renderer;

/**
 * 
 * This Renderer is responsible for rendering the content of a
 * facet defined within the using page template in the desired location
 * within the composite component implementation section.
 * 
 */
public class CompositeFacetRenderer extends Renderer {

    private static final Logger logger = FacesLogger.RENDERKIT.getLogger();


    // --------------------------------------------------- Methods from Renderer


    @Override
    public void encodeChildren(FacesContext context, UIComponent component)
    throws IOException {

        Util.notNull("context", context);
        Util.notNull("component", component);

        String facetName = (String)
              component.getAttributes().get(UIComponent.FACETS_KEY);
        if (null == facetName) {
            return;
        }

        UIComponent currentCompositeComponent = UIComponent
              .getCurrentCompositeComponent(context);
        if (null != currentCompositeComponent) {
            UIComponent facet = currentCompositeComponent.getFacet(facetName);
            if (null != facet) {
                facet.encodeAll(context);
            } else {
                if (logger.isLoggable(Level.FINE)) {
                    logger.log(Level.FINE,
                               "Could not find facet named {0}",
                               facetName);
                }
            }
        }
    }


    @Override
    public boolean getRendersChildren() {
        return true;
    }

}