--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/sun/security/krb5/SCDynamicStoreConfig.java	Tue Mar 06 20:34:38 2012 +0000
@@ -0,0 +1,106 @@
+/*
+ * Copyright (c) 2011, 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.krb5;
+
+import java.io.IOException;
+import java.util.Collection;
+import java.util.Hashtable;
+import java.util.Vector;
+
+
+public class SCDynamicStoreConfig {
+    private static native void installNotificationCallback();
+    private static native Hashtable<String, Object> getKerberosConfig();
+
+    static {
+        java.security.AccessController.doPrivileged(new sun.security.action.LoadLibraryAction("osx"));
+        installNotificationCallback();
+    }
+
+    private static Vector<String> unwrapHost(Collection<Hashtable<String, String>> c) {
+        Vector<String> vector = new Vector<String>();
+        for (Hashtable<String, String> m : c) {
+            vector.add(m.get("host"));
+        }
+        return vector;
+    }
+
+    /**
+     * convertRealmConfigs: Maps the Object graph that we get from JNI to the
+     * object graph that Config expects. Also the items inside the kdc array
+     * are wrapped inside Hashtables
+     */
+    @SuppressWarnings("unchecked")
+    private static Hashtable<String, Object> convertRealmConfigs(Hashtable<String, ?> configs) {
+        Hashtable<String, Object> realmsTable = new Hashtable<String, Object>();
+
+        for (String realm : configs.keySet()) {
+            // get the kdc
+            Hashtable<String, Collection<?>> map = (Hashtable<String, Collection<?>>) configs.get(realm);
+            Collection<Hashtable<String, String>> kdc = (Collection<Hashtable<String, String>>) map.get("kdc");
+
+            // put the kdc into the realmMap
+            Hashtable<String, Vector<String>> realmMap = new Hashtable<String, Vector<String>>();
+            if (kdc != null) realmMap.put("kdc", unwrapHost(kdc));
+
+            // put the admin server into the realmMap
+            Collection<Hashtable<String, String>> kadmin = (Collection<Hashtable<String, String>>) map.get("kadmin");
+            if (kadmin != null) realmMap.put("admin_server", unwrapHost(kadmin));
+
+            // add the full entry to the realmTable
+            realmsTable.put(realm, realmMap);
+        }
+
+        return realmsTable;
+    }
+
+    /**
+     * Calls down to JNI to get the raw Kerberos Config and maps the object
+     * graph to the one that Kerberos Config in Java expects
+     *
+     * @return
+     * @throws IOException
+     */
+    @SuppressWarnings("unchecked")
+    public static Hashtable<String, Object> getConfig() throws IOException {
+        Hashtable<String, Object> stanzaTable = getKerberosConfig();
+        if (stanzaTable == null) {
+            throw new IOException("Could not load configuration from SCDynamicStore");
+        }
+        //System.out.println("Raw map from JNI: " + stanzaTable);
+
+        // convert SCDynamicStore realm structure to Java realm structure
+        Hashtable<String, ?> realms = (Hashtable<String, ?>) stanzaTable.get("realms");
+        if (realms != null) {
+            stanzaTable.remove("realms");
+            Hashtable<String, Object> realmsTable = convertRealmConfigs(realms);
+            stanzaTable.put("realms", realmsTable);
+        }
+
+       // System.out.println("stanzaTable : " + stanzaTable);
+        return stanzaTable;
+    }
+}