1 /* 2 * Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package java.security; 27 28 // Android-changed: Stubbed the implementation. Android doesn't support SecurityManager. 29 // See comments in java.lang.SecurityManager for details. 30 /** 31 * Legacy security code; do not use. 32 * 33 * This exception is thrown by 34 * {@code doPrivileged(PrivilegedExceptionAction)} and 35 * {@code doPrivileged(PrivilegedExceptionAction, 36 * AccessControlContext context)} to indicate 37 * that the action being performed threw a checked exception. The exception 38 * thrown by the action can be obtained by calling the 39 * {@code getException} method. In effect, an 40 * {@code PrivilegedActionException} is a "wrapper" 41 * for an exception thrown by a privileged action. 42 * 43 * <p>As of release 1.4, this exception has been retrofitted to conform to 44 * the general purpose exception-chaining mechanism. The "exception thrown 45 * by the privileged computation" that is provided at construction time and 46 * accessed via the {@link #getException()} method is now known as the 47 * <i>cause</i>, and may be accessed via the {@link Throwable#getCause()} 48 * method, as well as the aforementioned "legacy method." 49 * 50 * @see PrivilegedExceptionAction 51 * @see AccessController#doPrivileged(PrivilegedExceptionAction) 52 * @see AccessController#doPrivileged(PrivilegedExceptionAction,AccessControlContext) 53 */ 54 public class PrivilegedActionException extends Exception { 55 // use serialVersionUID from JDK 1.2.2 for interoperability 56 private static final long serialVersionUID = 4724086851538908602L; 57 58 /** 59 * @serial 60 */ 61 private Exception exception; 62 63 /** 64 * Constructs a new PrivilegedActionException "wrapping" 65 * the specific Exception. 66 * 67 * @param exception The exception thrown 68 */ PrivilegedActionException(Exception exception)69 public PrivilegedActionException(Exception exception) { 70 super((Throwable)null); // Disallow initCause 71 this.exception = exception; 72 } 73 74 /** 75 * Returns the exception thrown by the privileged computation that 76 * resulted in this {@code PrivilegedActionException}. 77 * 78 * <p>This method predates the general-purpose exception chaining facility. 79 * The {@link Throwable#getCause()} method is now the preferred means of 80 * obtaining this information. 81 * 82 * @return the exception thrown by the privileged computation that 83 * resulted in this {@code PrivilegedActionException}. 84 * @see PrivilegedExceptionAction 85 * @see AccessController#doPrivileged(PrivilegedExceptionAction) 86 * @see AccessController#doPrivileged(PrivilegedExceptionAction, 87 * AccessControlContext) 88 */ getException()89 public Exception getException() { 90 return exception; 91 } 92 93 /** 94 * Returns the cause of this exception (the exception thrown by 95 * the privileged computation that resulted in this 96 * {@code PrivilegedActionException}). 97 * 98 * @return the cause of this exception. 99 * @since 1.4 100 */ getCause()101 public Throwable getCause() { 102 return exception; 103 } 104 toString()105 public String toString() { 106 String s = getClass().getName(); 107 return (exception != null) ? (s + ": " + exception.toString()) : s; 108 } 109 } 110