src/java.base/share/classes/java/lang/reflect/ReflectPermission.java
author mchung
Thu, 04 Oct 2018 08:45:21 -0700
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child 57956 e0b8b019d2f5
permissions -rw-r--r--
8181443: Replace usages of jdk.internal.misc.Unsafe with MethodHandles.Lookup.defineClass Reviewed-by: alanb, egahlin
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/*
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 * Copyright (c) 1997, 2017, 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 java.lang.reflect;
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/**
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 * The Permission class for reflective operations.
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 * <P>
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 * The following table
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 * provides a summary description of what the permission allows,
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 * and discusses the risks of granting code the permission.
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 *
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 * <table class="striped">
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 * <caption style="display:none">Table shows permission target name, what the permission allows, and associated risks</caption>
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 * <thead>
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 * <tr>
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 * <th scope="col">Permission Target Name</th>
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 * <th scope="col">What the Permission Allows</th>
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 * <th scope="col">Risks of Allowing this Permission</th>
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 * </tr>
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 * </thead>
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 * <tbody>
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 *
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 * <tr>
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 *   <th scope="row">suppressAccessChecks</th>
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 *   <td>ability to suppress the standard Java language access checks
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 *       on fields and methods in a class; allow access not only public members
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 *       but also allow access to default (package) access, protected,
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 *       and private members.</td>
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 *   <td>This is dangerous in that information (possibly confidential) and
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 *       methods normally unavailable would be accessible to malicious code.</td>
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 * </tr>
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 * <tr>
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 *   <th scope="row">newProxyInPackage.{package name}</th>
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 *   <td>ability to create a proxy instance in the specified package of which
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 *       the non-public interface that the proxy class implements.</td>
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 *   <td>This gives code access to classes in packages to which it normally
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 *       does not have access and the dynamic proxy class is in the system
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 *       protection domain. Malicious code may use these classes to
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 *       help in its attempt to compromise security in the system.</td>
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 * </tr>
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 *
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 * </tbody>
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 * </table>
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 *
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 * @see java.security.Permission
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 * @see java.security.BasicPermission
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 * @see AccessibleObject
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 * @see Field#get
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 * @see Field#set
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 * @see Method#invoke
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 * @see Constructor#newInstance
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 * @see Proxy#newProxyInstance
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 *
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 * @since 1.2
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 */
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public final
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class ReflectPermission extends java.security.BasicPermission {
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    private static final long serialVersionUID = 7412737110241507485L;
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    /**
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     * Constructs a ReflectPermission with the specified name.
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     *
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     * @param name the name of the ReflectPermission
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     *
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     * @throws NullPointerException if {@code name} is {@code null}.
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     * @throws IllegalArgumentException if {@code name} is empty.
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     */
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    public ReflectPermission(String name) {
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        super(name);
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    }
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    /**
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     * Constructs a ReflectPermission with the specified name and actions.
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     * The actions should be null; they are ignored.
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     *
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     * @param name the name of the ReflectPermission
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     *
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     * @param actions should be null
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     *
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     * @throws NullPointerException if {@code name} is {@code null}.
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     * @throws IllegalArgumentException if {@code name} is empty.
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     */
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    public ReflectPermission(String name, String actions) {
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        super(name, actions);
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    }
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}