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      1 /*
      2  * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
      3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
      4  *
      5  * This code is free software; you can redistribute it and/or modify it
      6  * under the terms of the GNU General Public License version 2 only, as
      7  * published by the Free Software Foundation.  Oracle designates this
      8  * particular file as subject to the "Classpath" exception as provided
      9  * by Oracle in the LICENSE file that accompanied this code.
     10  *
     11  * This code is distributed in the hope that it will be useful, but WITHOUT
     12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
     13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
     14  * version 2 for more details (a copy is included in the LICENSE file that
     15  * accompanied this code).
     16  *
     17  * You should have received a copy of the GNU General Public License version
     18  * 2 along with this work; if not, write to the Free Software Foundation,
     19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
     20  *
     21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
     22  * or visit www.oracle.com if you need additional information or have any
     23  * questions.
     24  */
     25 
     26 package sun.security.provider.certpath;
     27 
     28 import java.util.Date;
     29 import java.util.Set;
     30 
     31 import java.security.cert.X509CertSelector;
     32 import java.security.cert.X509CRLSelector;
     33 
     34 import sun.security.x509.GeneralNameInterface;
     35 
     36 /**
     37  * Helper class that allows access to Sun specific known-public methods in the
     38  * java.security.cert package. It relies on a subclass in the
     39  * java.security.cert packages that is initialized before any of these methods
     40  * are called (achieved via static initializers).
     41  *
     42  * The methods are made available in this fashion for performance reasons.
     43  *
     44  * @author Andreas Sterbenz
     45  */
     46 public abstract class CertPathHelper {
     47 
     48     /**
     49      * Object used to tunnel the calls. Initialized by CertPathHelperImpl.
     50      */
     51     protected static CertPathHelper instance;
     52 
     53     protected CertPathHelper() {
     54         // empty
     55     }
     56 
     57     protected abstract void implSetPathToNames(X509CertSelector sel,
     58             Set<GeneralNameInterface> names);
     59 
     60     protected abstract void implSetDateAndTime(X509CRLSelector sel, Date date, long skew);
     61 
     62     static void setPathToNames(X509CertSelector sel,
     63             Set<GeneralNameInterface> names) {
     64         instance.implSetPathToNames(sel, names);
     65     }
     66 
     67     public static void setDateAndTime(X509CRLSelector sel, Date date, long skew) {
     68         instance.implSetDateAndTime(sel, date, skew);
     69     }
     70 }
     71