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/* * Copyright (c) 2002, 2009, 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. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ 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);    }}