--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.base/share/classes/sun/security/provider/certpath/CertPathHelper.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2002, 2013, 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 sun.security.provider.certpath;
+
+import java.util.Date;
+import java.util.Set;
+
+import java.security.cert.X509CertSelector;
+import java.security.cert.X509CRLSelector;
+
+import sun.security.x509.GeneralNameInterface;
+
+/**
+ * Helper class that allows access to Sun specific known-public methods in the
+ * java.security.cert package. It relies on a subclass in the
+ * java.security.cert packages that is initialized before any of these methods
+ * are called (achieved via static initializers).
+ *
+ * The methods are made available in this fashion for performance reasons.
+ *
+ * @author Andreas Sterbenz
+ */
+public abstract class CertPathHelper {
+
+    /**
+     * Object used to tunnel the calls. Initialized by CertPathHelperImpl.
+     */
+    protected static CertPathHelper instance;
+
+    protected CertPathHelper() {
+        // empty
+    }
+
+    protected abstract void implSetPathToNames(X509CertSelector sel,
+            Set<GeneralNameInterface> names);
+
+    protected abstract void implSetDateAndTime(X509CRLSelector sel, Date date, long skew);
+
+    static void setPathToNames(X509CertSelector sel,
+            Set<GeneralNameInterface> names) {
+        instance.implSetPathToNames(sel, names);
+    }
+
+    public static void setDateAndTime(X509CRLSelector sel, Date date, long skew) {
+        instance.implSetDateAndTime(sel, date, skew);
+    }
+}