Source Code : ClassLoader java.security.AccessController.doPrivileged(PrivilegedAction action)

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ClassLoader java.security.AccessController.doPrivileged(PrivilegedAction action)

 
/*
  * JBoss, Home of Professional Open Source
  * Copyright 2005, JBoss Inc., and individual contributors as indicated
  * by the @authors tag. See the copyright.txt in the distribution for a
  * full listing of individual contributors.
  *
  * This is free software; you can redistribute it and/or modify it
  * under the terms of the GNU Lesser General Public License as
  * published by the Free Software Foundation; either version 2.1 of
  * the License, or (at your option) any later version.
  *
  * This software is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this software; if not, write to the Free
  * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
  */

import java.security.AccessController;
import java.security.PrivilegedAction;

/** A collection of privileged actions
 * @author Clebert Suconic
 */
class SecurityActions
{
   static ClassLoader getTCL()
   {
      if (System.getSecurityManager() == null)
      {
         return Thread.currentThread().getContextClassLoader();
      }
      else
      {
         return AccessController.doPrivileged(new PrivilegedAction<ClassLoader>()
         {
            public ClassLoader run()
            {
               return Thread.currentThread().getContextClassLoader();
            }
         });
      }
   }

   static ClassLoader getClassLoader(final Class<?> clazz)
   {
      if (System.getSecurityManager() == null)
      {
         return clazz.getClassLoader();
      }
      else
      {
         return AccessController.doPrivileged(new PrivilegedAction<ClassLoader>()
         {
            public ClassLoader run()
            {
               return clazz.getClassLoader();
            }
         });
      }

   }

   static void setTCL(final ClassLoader tcl)
   {
      if (System.getSecurityManager() == null)
      {
         Thread.currentThread().setContextClassLoader(tcl);
      }
      else
      {
         AccessController.doPrivileged(new PrivilegedAction<Object>()
         {
            public Object run()
            {
               Thread.currentThread().setContextClassLoader(tcl);
               return null;
            }
         });
      }
   }

}

   
  

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