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* Copyright (c) 1998, 2006, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
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* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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 General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
package sun.security.action;
/**
* A convenience class for loading a system library as a privileged action.
*
* <p>An instance of this class can be used as the argument of
* <code>AccessController.doPrivileged</code>.
*
* <p>The following code attempts to load the system library named
* <code>"lib"</code> as a privileged action: <p>
*
* <pre>
* java.security.AccessController.doPrivileged(new LoadLibraryAction("lib"));
* </pre>
*
* @author Roland Schemers
* @see java.security.PrivilegedAction
* @see java.security.AccessController
* @since 1.2
*/
public class LoadLibraryAction implements java.security.PrivilegedAction<Void> {
private String theLib;
/**
* Constructor that takes the name of the system library that needs to be
* loaded.
*
* <p>The manner in which a library name is mapped to the
* actual system library is system dependent.
*
* @param theLib the name of the library.
*/
public LoadLibraryAction(String theLib) {
this.theLib = theLib;
}
/**
* Loads the system library whose name was specified in the constructor.
*/
public Void run() {
System.loadLibrary(theLib);
return null;
}
}