| /* |
| * Copyright (c) 1999, 2003, 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 javax.security.sasl; |
| |
| import java.io.IOException; |
| |
| /** |
| * This class represents an error that has occurred when using SASL. |
| * |
| * @since 1.5 |
| * |
| * @author Rosanna Lee |
| * @author Rob Weltman |
| */ |
| |
| public class SaslException extends IOException { |
| /** |
| * The possibly null root cause exception. |
| * @serial |
| */ |
| // Required for serialization interoperability with JSR 28 |
| private Throwable _exception; |
| |
| /** |
| * Constructs a new instance of <tt>SaslException</tt>. |
| * The root exception and the detailed message are null. |
| */ |
| public SaslException () { |
| super(); |
| } |
| |
| /** |
| * Constructs a new instance of <tt>SaslException</tt> with a detailed message. |
| * The root exception is null. |
| * @param detail A possibly null string containing details of the exception. |
| * |
| * @see java.lang.Throwable#getMessage |
| */ |
| public SaslException (String detail) { |
| super(detail); |
| } |
| |
| /** |
| * Constructs a new instance of <tt>SaslException</tt> with a detailed message |
| * and a root exception. |
| * For example, a SaslException might result from a problem with |
| * the callback handler, which might throw a NoSuchCallbackException if |
| * it does not support the requested callback, or throw an IOException |
| * if it had problems obtaining data for the callback. The |
| * SaslException's root exception would be then be the exception thrown |
| * by the callback handler. |
| * |
| * @param detail A possibly null string containing details of the exception. |
| * @param ex A possibly null root exception that caused this exception. |
| * |
| * @see java.lang.Throwable#getMessage |
| * @see #getCause |
| */ |
| public SaslException (String detail, Throwable ex) { |
| super(detail); |
| if (ex != null) { |
| initCause(ex); |
| } |
| } |
| |
| /* |
| * Override Throwable.getCause() to ensure deserialized object from |
| * JSR 28 would return same value for getCause() (i.e., _exception). |
| */ |
| public Throwable getCause() { |
| return _exception; |
| } |
| |
| /* |
| * Override Throwable.initCause() to match getCause() by updating |
| * _exception as well. |
| */ |
| public Throwable initCause(Throwable cause) { |
| super.initCause(cause); |
| _exception = cause; |
| return this; |
| } |
| |
| /** |
| * Returns the string representation of this exception. |
| * The string representation contains |
| * this exception's class name, its detailed messsage, and if |
| * it has a root exception, the string representation of the root |
| * exception. This string representation |
| * is meant for debugging and not meant to be interpreted |
| * programmatically. |
| * @return The non-null string representation of this exception. |
| * @see java.lang.Throwable#getMessage |
| */ |
| // Override Throwable.toString() to conform to JSR 28 |
| public String toString() { |
| String answer = super.toString(); |
| if (_exception != null && _exception != this) { |
| answer += " [Caused by " + _exception.toString() + "]"; |
| } |
| return answer; |
| } |
| |
| /** Use serialVersionUID from JSR 28 RI for interoperability */ |
| private static final long serialVersionUID = 4579784287983423626L; |
| } |