/*

 * Copyright (c) 2002, 2020, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

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package java.security.cert;

import java.util.*;

import sun.security.provider.certpath.CertPathHelper;

import sun.security.x509.GeneralNameInterface;

/**

 * Helper class that allows the Sun CertPath provider to access

 * implementation dependent APIs in CertPath framework.

 *

 * @author Andreas Sterbenz

 */

class CertPathHelperImpl extends CertPathHelper {

    private CertPathHelperImpl() {

        // empty

    }

    /**

     * Initialize the helper framework. This method must be called from

     * the static initializer of each class that is the target of one of

     * the methods in this class. This ensures that the helper is initialized

     * prior to a tunneled call from the Sun provider.

     */

    synchronized static void initialize() {

        if (CertPathHelper.instance == null) {

            CertPathHelper.instance = new CertPathHelperImpl();

        }

    }

    protected void implSetPathToNames(X509CertSelector sel,

            Set<GeneralNameInterface> names) {

        sel.setPathToNamesInternal(names);

    }

    protected void implSetDateAndTime(X509CRLSelector sel, Date date, long skew) {

        sel.setDateAndTime(date, skew);

    }

    protected boolean implIsJdkCA(TrustAnchor anchor) {

        return anchor.isJdkCA();

    }

}