/* * Copyright (c) 1998, 2001, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code 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.  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 * or visit www.oracle.com if you need additional information or have any * questions. */ package java.security; /** * This exception is thrown by * <code>doPrivileged(PrivilegedExceptionAction)</code> and * <code>doPrivileged(PrivilegedExceptionAction, * AccessControlContext context)</code> to indicate * that the action being performed threw a checked exception.  The exception * thrown by the action can be obtained by calling the * <code>getException</code> method.  In effect, an * <code>PrivilegedActionException</code> is a "wrapper" * for an exception thrown by a privileged action. * * <p>As of release 1.4, this exception has been retrofitted to conform to * the general purpose exception-chaining mechanism.  The "exception thrown * by the privileged computation" that is provided at construction time and * accessed via the {@link #getException()} method is now known as the * <i>cause</i>, and may be accessed via the {@link Throwable#getCause()} * method, as well as the aforementioned "legacy method." * * @see PrivilegedExceptionAction * @see AccessController#doPrivileged(PrivilegedExceptionAction) * @see AccessController#doPrivileged(PrivilegedExceptionAction,AccessControlContext) */public class PrivilegedActionException extends Exception {    // use serialVersionUID from JDK 1.2.2 for interoperability    private static final long serialVersionUID = 4724086851538908602L;     /**     * @serial     */    private Exception exception;     /**     * Constructs a new PrivilegedActionException &quot;wrapping&quot;     * the specific Exception.     *     * @param exception The exception thrown     */    public PrivilegedActionException(Exception exception) {        super((Throwable)null);  // Disallow initCause        this.exception = exception;    }     /**     * Returns the exception thrown by the privileged computation that     * resulted in this <code>PrivilegedActionException</code>.     *     * <p>This method predates the general-purpose exception chaining facility.     * The {@link Throwable#getCause()} method is now the preferred means of     * obtaining this information.     *     * @return the exception thrown by the privileged computation that     *         resulted in this <code>PrivilegedActionException</code>.     * @see PrivilegedExceptionAction     * @see AccessController#doPrivileged(PrivilegedExceptionAction)     * @see AccessController#doPrivileged(PrivilegedExceptionAction,     *                                            AccessControlContext)     */    public Exception getException() {        return exception;    }     /**     * Returns the cause of this exception (the exception thrown by     * the privileged computation that resulted in this     * <code>PrivilegedActionException</code>).     *     * @return  the cause of this exception.     * @since   1.4     */    public Throwable getCause() {        return exception;    }     public String toString() {        String s = getClass().getName();        return (exception != null) ? (s + ": " + exception.toString()) : s;    }}