sun.security.action
Class LoadLibraryAction

java.lang.Object
  sun.security.action.LoadLibraryAction

All Implemented Interfaces:

PrivilegedAction

public class LoadLibraryAction
extends Object
implements PrivilegedAction

A convenience class for loading a system library as a privileged action.

An instance of this class can be used as the argument of AccessController.doPrivileged.

The following code attempts to load the system library named "lib" as a privileged action:

 java.security.AccessController.doPrivileged(new LoadLibraryAction("lib"));
 

Since:

JDK1.2

See Also:

PrivilegedAction, AccessController

Constructor Summary

LoadLibraryAction(String theLib)
Constructor that takes the name of the system library that needs to be loaded.

Method Summary

Object

run() Loads the system library whose name was specified in the constructor.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

LoadLibraryAction

public LoadLibraryAction(String theLib)

Constructor that takes the name of the system library that needs to be loaded.

The manner in which a library name is mapped to the actual system library is system dependent.

Parameters:

theLib - the name of the library.

Method Detail

run

public Object run()

Loads the system library whose name was specified in the constructor.

Specified by:

run in interface PrivilegedAction

Returns:

a class-dependent value that may represent the results of the computation. Each class that implements PrivilegedAction should document what (if anything) this value represents.

See Also:

AccessController.doPrivileged(PrivilegedAction), AccessController.doPrivileged(PrivilegedAction, AccessControlContext)