1 /* 2 * Copyright (c) 2002, 2020, 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.TrustAnchor; 32 import java.security.cert.X509CertSelector; 33 import java.security.cert.X509CRLSelector; 34 35 import sun.security.x509.GeneralNameInterface; 36 37 /** 38 * Helper class that allows access to JDK specific known-public methods in the 39 * java.security.cert package. It relies on a subclass in the 40 * java.security.cert packages that is initialized before any of these methods 41 * are called (achieved via static initializers). 42 * 43 * The methods are made available in this fashion for performance reasons. 44 * 45 * @author Andreas Sterbenz 46 */ 47 public abstract class CertPathHelper { 48 49 /** 50 * Object used to tunnel the calls. Initialized by CertPathHelperImpl. 51 */ 52 protected static CertPathHelper instance; 53 CertPathHelper()54 protected CertPathHelper() { 55 // empty 56 } 57 implSetPathToNames(X509CertSelector sel, Set<GeneralNameInterface> names)58 protected abstract void implSetPathToNames(X509CertSelector sel, 59 Set<GeneralNameInterface> names); 60 implSetDateAndTime(X509CRLSelector sel, Date date, long skew)61 protected abstract void implSetDateAndTime(X509CRLSelector sel, Date date, long skew); 62 implIsJdkCA(TrustAnchor anchor)63 protected abstract boolean implIsJdkCA(TrustAnchor anchor); 64 setPathToNames(X509CertSelector sel, Set<GeneralNameInterface> names)65 static void setPathToNames(X509CertSelector sel, 66 Set<GeneralNameInterface> names) { 67 instance.implSetPathToNames(sel, names); 68 } 69 setDateAndTime(X509CRLSelector sel, Date date, long skew)70 public static void setDateAndTime(X509CRLSelector sel, Date date, long skew) { 71 instance.implSetDateAndTime(sel, date, skew); 72 } 73 isJdkCA(TrustAnchor anchor)74 public static boolean isJdkCA(TrustAnchor anchor) { 75 return (anchor == null) ? false : instance.implIsJdkCA(anchor); 76 } 77 } 78