--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.base/share/classes/sun/security/x509/X509AttributeName.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 1997, 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.x509;
+
+/**
+ * This class is used to parse attribute names like "x509.info.extensions".
+ *
+ * @author Amit Kapoor
+ * @author Hemma Prafullchandra
+ */
+public class X509AttributeName {
+    // Public members
+    private static final char SEPARATOR = '.';
+
+    // Private data members
+    private String prefix = null;
+    private String suffix = null;
+
+    /**
+     * Default constructor for the class. Name is of the form
+     * "x509.info.extensions".
+     *
+     * @param name the attribute name.
+     */
+    public X509AttributeName(String name) {
+        int i = name.indexOf(SEPARATOR);
+        if (i < 0) {
+            prefix = name;
+        } else {
+            prefix = name.substring(0, i);
+            suffix = name.substring(i + 1);
+        }
+    }
+
+    /**
+     * Return the prefix of the name.
+     */
+    public String getPrefix() {
+      return (prefix);
+    }
+
+    /**
+     * Return the suffix of the name.
+     */
+    public String getSuffix() {
+      return (suffix);
+    }
+}