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This is the master POM file for Oracle's Implementation of the JSF 2.2 Specification.
There is a newer version: 2.4.0
/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

 * Copyright (c) 2011-2017 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.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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 * 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
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 */
package javax.faces.application;

import java.util.Map;
import java.util.Set;

import javax.faces.FacesWrapper;
import javax.faces.context.FacesContext;
import javax.faces.flow.Flow;

/**
 * Provides a simple implementation of
 * {@link ConfigurableNavigationHandler} that can be subclassed by developers wishing
 * to provide specialized behavior to an existing {@link
 * ConfigurableNavigationHandler} instance.  The default implementation of all methods
 * is to call through to the wrapped {@link ConfigurableNavigationHandler}.
 *
 * Usage: extend this class and push the implementation being wrapped to the
 * constructor and use {@link #getWrapped} to access the instance being wrapped.
 *
 * @since 2.2
 */
public abstract class ConfigurableNavigationHandlerWrapper extends ConfigurableNavigationHandler implements FacesWrapper{

    private ConfigurableNavigationHandler wrapped;

    /**
     * @deprecated Use the other constructor taking the implementation being wrapped.
     */
    @Deprecated
    public ConfigurableNavigationHandlerWrapper() {

    }

    /**
     * If this configurable navigation handler has been decorated,
     * the implementation doing the decorating should push the implementation being wrapped to this constructor.
     * The {@link #getWrapped()} will then return the implementation being wrapped.
     *
     * @param wrapped The implementation being wrapped.
     * @since 2.3
     */
    public ConfigurableNavigationHandlerWrapper(ConfigurableNavigationHandler wrapped) {
        this.wrapped = wrapped;
    }

    @Override
    public ConfigurableNavigationHandler getWrapped() {
        return wrapped;
    }

    @Override
    public NavigationCase getNavigationCase(FacesContext context, String fromAction, String outcome) {
        return getWrapped().getNavigationCase(context, fromAction, outcome);
    }

    @Override
    public Map> getNavigationCases() {
        return getWrapped().getNavigationCases();
    }

    @Override
    public NavigationCase getNavigationCase(FacesContext context, String fromAction, String outcome, String toFlowDocumentId) {
        return getWrapped().getNavigationCase(context, fromAction, outcome, toFlowDocumentId);
    }

    @Override
    public void handleNavigation(FacesContext context, String fromAction, String outcome) {
        getWrapped().handleNavigation(context, fromAction, outcome);
    }

    @Override
    public void performNavigation(String outcome) {
        getWrapped().performNavigation(outcome);
    }

    @Override
    public void inspectFlow(FacesContext context, Flow flow) {
        getWrapped().inspectFlow(context, flow);
    }

}