SecurityActions.java

/*
 *  IronJacamar, a Java EE Connector Architecture implementation
 *  Copyright 2016, Red Hat Inc, 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 Eclipse Public License 1.0 as
 *  published by the Free Software Foundation.
 *
 *  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 Eclipse
 *  Public License for more details.
 *
 *  You should have received a copy of the Eclipse 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.ironjacamar.core.classloading;

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

/**
 * Privileged Blocks
 * @author <a href="mailto:jesper.pedersen@ironjacamar.org">Jesper Pedersen</a>
 */
class SecurityActions
{ 
   /**
    * Constructor
    */
   private SecurityActions()
   {
   }

   /**
    * Get the classloader.
    * @param c The class
    * @return The classloader
    */
   static ClassLoader getClassLoader(final Class<?> c)
   {
      if (System.getSecurityManager() == null)
         return c.getClassLoader();

      return AccessController.doPrivileged((PrivilegedAction<ClassLoader>) () -> c.getClassLoader());
   }
}