org.jboss.aop.microcontainer.beans.SecurityActions Maven / Gradle / Ivy
/*
* JBoss, Home of Professional Open Source.
* Copyright 2006, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file 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.
*/
package org.jboss.aop.microcontainer.beans;
import java.security.AccessController;
import java.security.PrivilegedAction;
/**
* CL security actions.
*
* @author Kabir Khan
* @version $Revision: 1.1 $
*/
class SecurityActions
{
private interface GetContextClassLoaderAction
{
ClassLoader getContextClassLoader();
GetContextClassLoaderAction PRIVILEGED = new GetContextClassLoaderAction() {
public ClassLoader getContextClassLoader()
{
return AccessController.doPrivileged(new PrivilegedAction()
{
public ClassLoader run()
{
return Thread.currentThread().getContextClassLoader();
}
});
}
};
GetContextClassLoaderAction NOT_PRIVILEGED = new GetContextClassLoaderAction() {
public ClassLoader getContextClassLoader()
{
return Thread.currentThread().getContextClassLoader();
}
};
}
public static ClassLoader getContextClassLoader()
{
if (System.getSecurityManager() == null)
{
return GetContextClassLoaderAction.NOT_PRIVILEGED.getContextClassLoader();
}
else
{
return GetContextClassLoaderAction.PRIVILEGED.getContextClassLoader();
}
}
private interface GetClassLoaderAction
{
ClassLoader getClassLoader(Class clazz);
GetClassLoaderAction PRIVILEGED = new GetClassLoaderAction(){
public ClassLoader getClassLoader(final Class clazz)
{
return AccessController.doPrivileged(new PrivilegedAction()
{
public ClassLoader run()
{
return clazz.getClassLoader();
}
});
}
};
GetClassLoaderAction NOT_PRIVILEGED = new GetClassLoaderAction(){
public ClassLoader getClassLoader(Class clazz)
{
return clazz.getClassLoader();
}
};
}
public static ClassLoader getClassLoader(Class clazz)
{
if (System.getSecurityManager() == null)
{
return GetClassLoaderAction.NOT_PRIVILEGED.getClassLoader(clazz);
}
else
{
return GetClassLoaderAction.PRIVILEGED.getClassLoader(clazz);
}
}
}