Mega Code Archive
ClassLoader ClassLoader java security AccessController doPrivileged(PrivilegedActionClassLoader action)
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/*
* 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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