libjava/java/lang/reflect/ReflectPermission.java

   1 /* ReflectPermission.java - named permission for reflaction
   2    Copyright (C) 2000, 2001 Free Software Foundation, Inc.
   3
   4 This file is part of GNU Classpath.
   5
   6 GNU Classpath is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2, or (at your option)
   9 any later version.
  10
  11 GNU Classpath is distributed in the hope that it will be useful, but
  12 WITHOUT ANY WARRANTY; without even the implied warranty of
  13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14 General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with GNU Classpath; see the file COPYING.  If not, write to the
  18 Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  19 02111-1307 USA.
  20
  21 Linking this library statically or dynamically with other modules is
  22 making a combined work based on this library.  Thus, the terms and
  23 conditions of the GNU General Public License cover the whole
  24 combination.
  25
  26 As a special exception, the copyright holders of this library give you
  27 permission to link this library with independent modules to produce an
  28 executable, regardless of the license terms of these independent
  29 modules, and to copy and distribute the resulting executable under
  30 terms of your choice, provided that you also meet, for each linked
  31 independent module, the terms and conditions of the license of that
  32 module.  An independent module is a module which is not derived from
  33 or based on this library.  If you modify this library, you may extend
  34 this exception to your version of the library, but you are not
  35 obligated to do so.  If you do not wish to do so, delete this
  36 exception statement from your version. */
  37
  38 /* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3
  39  * "The Java Language Specification", ISBN 0-201-63451-1
  40  * plus online API docs for JDK 1.2 beta from http://www.javasoft.com.
  41  */
  42
  43 package java.lang.reflect;
  44
  45 import java.security.BasicPermission;
  46
  47 /**
  48  * This class implements permissions for reflection.  This is a named
  49  * permission, and the only defined name is suppressAccessChecks, which
  50  * allows suppression of normal Java objects when using reflection.
  51  *
  52  * <table>
  53  *  <tr>
  54  *   <th>Permission Target Name</th>
  55  *   <th>What Permission Allows</th>
  56  *   <th>Risk of Allowing Permission</th>
  57  *  </tr>
  58  *  <tr>
  59  *   <td><code>suppressAccessChecks</code></td>
  60  *   <td>Ability to access fields, invoke methods, and construct objects
  61  *       via reflection, including non-public members in contexts where
  62  *       such access is not legal at compile-time.</td>
  63  *   <td>This is dangerous. It exposes possibly confidential information,
  64  *       and malicious code could interfere with the internals of the Virtual
  65  *       Machine by corrupting private data.</td>
  66  *  </tr>
  67  * </table>
  68  *
  69  * @author Tom Tromey <tromey@redhat.com>
  70  * @author Eric Blake <ebb9@email.byu.edu>
  71  * @since 1.2
  72  * @status updated to 1.4
  73  */
  74 public final class ReflectPermission
  75   extends BasicPermission
  76 {
  77   /**
  78    * Compatible with JDK 1.2.
  79    */
  80   private static final long serialVersionUID = 7412737110241507485L;
  81
  82   /**
  83    * Construct a ReflectPermission with the given name.
  84    *
  85    * @param name The permission name
  86    */
  87   public ReflectPermission(String name)
  88   {
  89     super(name);
  90   }
  91
  92   /**
  93    * Construct a ReflectPermission with the given name.
  94    *
  95    * @param name The permission name
  96    * @param actions The actions; this is ignored and should be null
  97    */
  98   public ReflectPermission(String name, String actions)
  99   {
 100     super(name, actions);
 101   }
 102 }