/*
* @(#)PrivilegedExceptionAction.java 1.12 06/10/10
*
* Copyright 1990-2008 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
* 2 only, as published by the Free Software Foundation.
*
* This program 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 at /legal/license.txt).
*
* 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 Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 or visit www.sun.com if you need additional
* information or have any questions.
*
*/
package java.security;
/**
* A computation to be performed with privileges enabled, that throws one or
* more checked exceptions. The computation is performed by invoking
* <code>AccessController.doPrivileged</code> on the
* <code>PrivilegedExceptionAction</code> object. This interface is
* used only for computations that throw checked exceptions;
* computations that do not throw
* checked exceptions should use <code>PrivilegedAction</code> instead.
*
* @see AccessController
* @see AccessController#doPrivileged(PrivilegedExceptionAction)
* @see AccessController#doPrivileged(PrivilegedExceptionAction,
* AccessControlContext)
* @see PrivilegedAction
*/
public interface PrivilegedExceptionAction {
/**
* Performs the computation. This method will be called by
* <code>AccessController.doPrivileged</code> after enabling privileges.
*
* @return a class-dependent value that may represent the results of the
* computation. Each class that implements
* <code>PrivilegedExceptionAction</code> should document what
* (if anything) this value represents.
* @throws Exception an exceptional condition has occurred. Each class
* that implements <code>PrivilegedExceptionAction</code> should
* document the exceptions that its run method can throw.
* @see AccessController#doPrivileged(PrivilegedExceptionAction)
* @see AccessController#doPrivileged(PrivilegedExceptionAction,AccessControlContext)
*/
Object run() throws Exception;
}