1 // Tags: not-a-test

     2 

     3 // Copyright (C) 2004 Sascha Brawer <brawer@dandelis.ch>

     4 

     5 // This file is part of Mauve.

     6 

     7 // Mauve is free software; you can redistribute it and/or modify

     8 // it under the terms of the GNU General Public License as published by

     9 // the Free Software Foundation; either version 2, or (at your option)

    10 // any later version.

    11 

    12 // Mauve is distributed in the hope that it will be useful,

    13 // but WITHOUT ANY WARRANTY; without even the implied warranty of

    14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    15 // GNU General Public License for more details.

    16 

    17 // You should have received a copy of the GNU General Public License

    18 // along with Mauve; see the file COPYING.  If not, write to

    19 // the Free Software Foundation, 59 Temple Place - Suite 330,

    20 // Boston, MA 02111-1307, USA.

    21 

    22 package gnu.testlet.java.util.logging.Logger;

    23 

    24 import java.security.Permission;

    25 import java.security.AccessControlException;

    26 import java.util.logging.LoggingPermission;

    27 import java.util.logging.LogManager;

    28 

    29 /**

    30  * A SecurityManager that can be told whether or not to grant

    31  * LoggingPermission.

    32  *

    33  * @author <a href="mailto:brawer@dandelis.ch">Sascha Brawer</a>

    34  */

    35 public class TestSecurityManager

    36   extends SecurityManager

    37 {

    38   private boolean grantLogging = false;

    39 

    40   private final Permission controlPermission

    41     = new LoggingPermission("control", null);

    42 

    43   private SecurityManager oldManager;

    44   

    45   public void checkPermission(Permission perm)

    46   {

    47     if (controlPermission.implies(perm) && !grantLogging)

    48       throw new AccessControlException("access denied: " + perm, perm);

    49   }

    50 

    51 

    52   public void setGrantLoggingControl(boolean grant)

    53   {

    54     grantLogging = grant;

    55   }

    56 

    57 

    58   public void install()

    59   {

    60     // Make sure the LogManager is fully installed first.

    61     LogManager lm = LogManager.getLogManager();

    62 

    63     SecurityManager oldsm = System.getSecurityManager();

    64     

    65     if (oldsm == this)

    66       throw new IllegalStateException("already installed");

    67 

    68     oldManager = oldsm;

    69     System.setSecurityManager(this);

    70   }

    71 

    72 

    73   public void uninstall()

    74   {

    75     System.setSecurityManager(oldManager);

    76   }

    77 }