feat(jdk8): move files to new folder to avoid resources compiled.

jdkSrc/jdk8/sun/security/krb5/internal/rcache/MemoryCache.java

@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2013, 2018, 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.
+ */
+
+/*
+ *
+ *  (C) Copyright IBM Corp. 1999 All Rights Reserved.
+ *  Copyright 1997 The Open Group Research Institute.  All rights reserved.
+ */
+
+package sun.security.krb5.internal.rcache;
+
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
+
+import sun.security.krb5.internal.KerberosTime;
+import sun.security.krb5.internal.KrbApErrException;
+import sun.security.krb5.internal.ReplayCache;
+
+/**
+ * This class stores replay caches. AuthTimeWithHash objects are categorized
+ * into AuthLists keyed by the names of client and server.
+ *
+ * @author Yanni Zhang
+ */
+public class MemoryCache extends ReplayCache {
+
+    // TODO: One day we'll need to read dynamic krb5.conf.
+    private static final int lifespan = KerberosTime.getDefaultSkew();
+    private static final boolean DEBUG = sun.security.krb5.internal.Krb5.DEBUG;
+
+    private final Map<String,AuthList> content = new ConcurrentHashMap<>();
+
+    @Override
+    public synchronized void checkAndStore(KerberosTime currTime, AuthTimeWithHash time)
+            throws KrbApErrException {
+        String key = time.client + "|" + time.server;
+        content.computeIfAbsent(key, k -> new AuthList(lifespan))
+                .put(time, currTime);
+        if (DEBUG) {
+            System.out.println("MemoryCache: add " + time + " to " + key);
+        }
+        // TODO: clean up AuthList entries with only expired AuthTimeWithHash objects.
+    }
+
+    public String toString() {
+        StringBuilder sb = new StringBuilder();
+        for (AuthList rc: content.values()) {
+            sb.append(rc.toString());
+        }
+        return sb.toString();
+    }
+}