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EE4J Compatible Implementation for Jakarta Faces API

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/*
 * Copyright (c) 2021, 2022 Contributors to Eclipse Foundation.
 * Copyright (c) 2009, 2020 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Public License v. 2.0, which is available at
 * http://www.eclipse.org/legal/epl-2.0.
 *
 * This Source Code may also be made available under the following Secondary
 * Licenses when the conditions for such availability set forth in the
 * Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
 * version 2 with the GNU Classpath Exception, which is available at
 * https://www.gnu.org/software/classpath/license.html.
 *
 * SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
 */

package com.sun.faces.config;

import static com.sun.faces.config.FacesInitializer.addAnnotatedClasses;
import static com.sun.faces.util.Util.isEmpty;

import java.util.Set;

import jakarta.annotation.Resource;
import jakarta.servlet.ServletContainerInitializer;
import jakarta.servlet.ServletContext;
import jakarta.servlet.ServletException;
import jakarta.servlet.annotation.HandlesTypes;

/**
 * Extra ServletContainerInitializer that picks up the Resource.class annotation.
 */
@HandlesTypes({
    Resource.class,
})
public class FacesInitializer2 implements ServletContainerInitializer {

    // NOTE: Logging should not be used with this class.

    // -------------------------------- Methods from ServletContainerInitializer

    @Override
    public void onStartup(Set> classes, ServletContext servletContext) throws ServletException {
        if (isEmpty(classes)) {
           return;
        }

        addAnnotatedClasses(classes, servletContext);
    }

}