зеркало из https://github.com/mono/ikvm-fork.git
96 строки
3.5 KiB
Java
96 строки
3.5 KiB
Java
/*
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* Copyright 2002-2006 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Sun designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Sun in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*/
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package sun.misc;
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import java.util.jar.JarFile;
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import java.io.Console;
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import java.io.File;
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/** A repository of "shared secrets", which are a mechanism for
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calling implementation-private methods in another package without
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using reflection. A package-private class implements a public
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interface and provides the ability to call package-private methods
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within that package; the object implementing that interface is
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provided through a third package to which access is restricted.
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This framework avoids the primary disadvantage of using reflection
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for this purpose, namely the loss of compile-time checking. */
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public class SharedSecrets {
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private static final Unsafe unsafe = Unsafe.getUnsafe();
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private static JavaUtilJarAccess javaUtilJarAccess;
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private static JavaLangAccess javaLangAccess = LangHelper.getJavaLangAccess();
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private static JavaIOAccess javaIOAccess;
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private static JavaIODeleteOnExitAccess javaIODeleteOnExitAccess;
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private static JavaNetAccess javaNetAccess;
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public static JavaUtilJarAccess javaUtilJarAccess() {
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if (javaUtilJarAccess == null) {
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// Ensure JarFile is initialized; we know that that class
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// provides the shared secret
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unsafe.ensureClassInitialized(JarFile.class);
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}
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return javaUtilJarAccess;
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}
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public static void setJavaUtilJarAccess(JavaUtilJarAccess access) {
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javaUtilJarAccess = access;
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}
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public static JavaLangAccess getJavaLangAccess() {
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return javaLangAccess;
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}
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public static void setJavaNetAccess(JavaNetAccess jna) {
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javaNetAccess = jna;
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}
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public static JavaNetAccess getJavaNetAccess() {
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return javaNetAccess;
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}
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public static void setJavaIOAccess(JavaIOAccess jia) {
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javaIOAccess = jia;
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}
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public static JavaIOAccess getJavaIOAccess() {
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if (javaIOAccess == null) {
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unsafe.ensureClassInitialized(Console.class);
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}
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return javaIOAccess;
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}
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public static void setJavaIODeleteOnExitAccess(JavaIODeleteOnExitAccess jida) {
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javaIODeleteOnExitAccess = jida;
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}
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public static JavaIODeleteOnExitAccess getJavaIODeleteOnExitAccess() {
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if (javaIODeleteOnExitAccess == null) {
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unsafe.ensureClassInitialized(File.class);
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}
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return javaIODeleteOnExitAccess;
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}
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}
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