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app/src/main/java/sun/misc/SharedSecrets.java

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+/*
+ * Copyright (c) 2002, 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.misc;
+
+import java.util.jar.JarFile;
+import java.io.Console;
+import java.io.FileDescriptor;
+import java.security.ProtectionDomain;
+import java.util.zip.Adler32;
+//import javax.security.auth.kerberos.KeyTab;
+
+import java.security.AccessController;
+
+/** A repository of "shared secrets", which are a mechanism for
+ calling implementation-private methods in another package without
+ using reflection. A package-private class implements a public
+ interface and provides the ability to call package-private methods
+ within that package; the object implementing that interface is
+ provided through a third package to which access is restricted.
+ This framework avoids the primary disadvantage of using reflection
+ for this purpose, namely the loss of compile-time checking. */
+
+public class SharedSecrets {
+    private static final FakeUnsafe FakeUnsafe = FakeUnsafe.getUnsafe();
+    private static JavaUtilJarAccess javaUtilJarAccess;
+    //private static JavaLangAccess javaLangAccess;
+    private static JavaIOAccess javaIOAccess;
+    //private static JavaNetAccess javaNetAccess;
+    private static JavaNetHttpCookieAccess javaNetHttpCookieAccess;
+    private static JavaNioAccess javaNioAccess;
+    private static JavaIOFileDescriptorAccess javaIOFileDescriptorAccess;
+    private static JavaSecurityProtectionDomainAccess javaSecurityProtectionDomainAccess;
+    //private static JavaSecurityAccess javaSecurityAccess;
+    //private static JavaxSecurityAuthKerberosAccess javaxSecurityAuthKerberosAccess;
+    private static JavaUtilZipAccess javaUtilZipAccess;
+
+    public static JavaUtilJarAccess javaUtilJarAccess() {
+        if (javaUtilJarAccess == null) {
+            // Ensure JarFile is initialized; we know that that class
+            // provides the shared secret
+            FakeUnsafe.ensureClassInitialized(JarFile.class);
+        }
+        return javaUtilJarAccess;
+    }
+
+    public static void setJavaUtilJarAccess(JavaUtilJarAccess access) {
+        javaUtilJarAccess = access;
+    }
+/*
+    public static void setJavaLangAccess(JavaLangAccess jla) {
+        javaLangAccess = jla;
+    }
+
+    public static JavaLangAccess getJavaLangAccess() {
+        return javaLangAccess;
+    }
+
+    public static void setJavaNetAccess(JavaNetAccess jna) {
+        javaNetAccess = jna;
+    }
+
+    public static JavaNetAccess getJavaNetAccess() {
+        return javaNetAccess;
+    }
+*/
+    public static void setJavaNetHttpCookieAccess(JavaNetHttpCookieAccess a) {
+        javaNetHttpCookieAccess = a;
+    }
+
+    public static JavaNetHttpCookieAccess getJavaNetHttpCookieAccess() {
+        if (javaNetHttpCookieAccess == null)
+            FakeUnsafe.ensureClassInitialized(java.net.HttpCookie.class);
+        return javaNetHttpCookieAccess;
+    }
+
+    public static void setJavaNioAccess(JavaNioAccess jna) {
+        javaNioAccess = jna;
+    }
+
+    public static JavaNioAccess getJavaNioAccess() {
+        if (javaNioAccess == null) {
+            // Ensure java.nio.ByteOrder is initialized; we know that
+            // this class initializes java.nio.Bits that provides the
+            // shared secret.
+            FakeUnsafe.ensureClassInitialized(java.nio.ByteOrder.class);
+        }
+        return javaNioAccess;
+    }
+
+    public static void setJavaIOAccess(JavaIOAccess jia) {
+        javaIOAccess = jia;
+    }
+
+    public static JavaIOAccess getJavaIOAccess() {
+        if (javaIOAccess == null) {
+            FakeUnsafe.ensureClassInitialized(Console.class);
+        }
+        return javaIOAccess;
+    }
+
+    public static void setJavaIOFileDescriptorAccess(JavaIOFileDescriptorAccess jiofda) {
+        javaIOFileDescriptorAccess = jiofda;
+    }
+
+    public static JavaIOFileDescriptorAccess getJavaIOFileDescriptorAccess() {
+        if (javaIOFileDescriptorAccess == null)
+            FakeUnsafe.ensureClassInitialized(FileDescriptor.class);
+
+        return javaIOFileDescriptorAccess;
+    }
+
+    public static void setJavaSecurityProtectionDomainAccess
+	(JavaSecurityProtectionDomainAccess jspda) {
+		javaSecurityProtectionDomainAccess = jspda;
+    }
+
+    public static JavaSecurityProtectionDomainAccess
+	getJavaSecurityProtectionDomainAccess() {
+		if (javaSecurityProtectionDomainAccess == null)
+			FakeUnsafe.ensureClassInitialized(ProtectionDomain.class);
+		return javaSecurityProtectionDomainAccess;
+    }
+/*
+    public static void setJavaSecurityAccess(JavaSecurityAccess jsa) {
+        javaSecurityAccess = jsa;
+    }
+
+    public static JavaSecurityAccess getJavaSecurityAccess() {
+        if (javaSecurityAccess == null) {
+            FakeUnsafe.ensureClassInitialized(AccessController.class);
+        }
+        return javaSecurityAccess;
+    }
+
+    public static void setJavaxSecurityAuthKerberosAccess
+	(JavaxSecurityAuthKerberosAccess jsaka) {
+        javaxSecurityAuthKerberosAccess = jsaka;
+    }
+
+    public static JavaxSecurityAuthKerberosAccess
+	getJavaxSecurityAuthKerberosAccess() {
+        if (javaxSecurityAuthKerberosAccess == null)
+            FakeUnsafe.ensureClassInitialized(KeyTab.class);
+        return javaxSecurityAuthKerberosAccess;
+    }
+*/
+    public static void setJavaUtilZipAccess(JavaUtilZipAccess access) {
+        javaUtilZipAccess = access;
+    }
+
+    public static JavaUtilZipAccess getJavaUtilZipAccess() {
+        if (javaUtilZipAccess == null) {
+            FakeUnsafe.ensureClassInitialized(Adler32.class);
+        }
+        return javaUtilZipAccess;
+    }
+}