8284275: Remove unused sun.nio.fs.Reflect
Reviewed-by: alanb, bpb
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/*
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* Copyright (c) 2008, 2021, Oracle and/or its affiliates. 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. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package sun.nio.fs;
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import java.lang.reflect.*;
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import java.security.AccessController;
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import java.security.PrivilegedAction;
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/**
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* Utility class for reflection.
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*/
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class Reflect {
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private Reflect() {}
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@SuppressWarnings("removal")
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private static void setAccessible(final AccessibleObject ao) {
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AccessController.doPrivileged(new PrivilegedAction<Object>() {
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@Override
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public Object run() {
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ao.setAccessible(true);
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return null;
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}});
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}
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/**
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* Lookup the field of a given class.
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*/
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static Field lookupField(String className, String fieldName) {
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try {
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Class<?> cl = Class.forName(className);
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Field f = cl.getDeclaredField(fieldName);
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setAccessible(f);
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return f;
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} catch (ClassNotFoundException x) {
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throw new AssertionError(x);
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} catch (NoSuchFieldException x) {
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throw new AssertionError(x);
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}
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}
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}
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