001/* AuthenticationException.java -- 002 Copyright (C) 2003, 2004, 2005 Free Software Foundation, Inc. 003 004This file is part of GNU Classpath. 005 006GNU Classpath is free software; you can redistribute it and/or modify 007it under the terms of the GNU General Public License as published by 008the Free Software Foundation; either version 2, or (at your option) 009any later version. 010 011GNU Classpath is distributed in the hope that it will be useful, but 012WITHOUT ANY WARRANTY; without even the implied warranty of 013MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014General Public License for more details. 015 016You should have received a copy of the GNU General Public License 017along with GNU Classpath; see the file COPYING. If not, write to the 018Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 01902110-1301 USA. 020 021Linking this library statically or dynamically with other modules is 022making a combined work based on this library. Thus, the terms and 023conditions of the GNU General Public License cover the whole 024combination. 025 026As a special exception, the copyright holders of this library give you 027permission to link this library with independent modules to produce an 028executable, regardless of the license terms of these independent 029modules, and to copy and distribute the resulting executable under 030terms of your choice, provided that you also meet, for each linked 031independent module, the terms and conditions of the license of that 032module. An independent module is a module which is not derived from 033or based on this library. If you modify this library, you may extend 034this exception to your version of the library, but you are not 035obligated to do so. If you do not wish to do so, delete this 036exception statement from your version. */ 037 038 039package javax.security.sasl; 040 041/** 042 * <p>This exception is thrown by a SASL mechanism implementation to indicate 043 * that the SASL exchange has failed due to reasons related to authentication, 044 * such as an invalid identity, passphrase, or key.</p> 045 * 046 * <p>Note that the lack of an <code>AuthenticationException</code> does not 047 * mean that the failure was not due to an authentication error. A SASL 048 * mechanism implementation might throw the more general {@link SaslException} 049 * instead of <code>AuthenticationException</code> if it is unable to determine 050 * the nature of the failure, or if does not want to disclose the nature of the 051 * failure, for example, due to security reasons.</p> 052 * 053 * @since 1.5 054 */ 055public class AuthenticationException extends SaslException 056{ 057 058 // Constants and variables 059 // ------------------------------------------------------------------------- 060 061 // Constructor(s) 062 // ------------------------------------------------------------------------- 063 064 /** 065 * Constructs a new instance of <code>AuthenticationException</code>. The 066 * root exception and the detailed message are <code>null</code>. 067 */ 068 public AuthenticationException() 069 { 070 super(); 071 } 072 073 /** 074 * Constructs a new instance of <code>AuthenticationException</code> with a 075 * detailed message. The root exception is <code>null</code>. 076 * 077 * @param detail a possibly <code>null</code> string containing details of 078 * the exception. 079 * @see Throwable#getMessage() 080 */ 081 public AuthenticationException(String detail) 082 { 083 super(detail); 084 } 085 086 /** 087 * Constructs a new instance of <code>AuthenticationException</code> with a 088 * detailed message and a root exception. 089 * 090 * @param detail a possibly <code>null</code> string containing details of 091 * the exception. 092 * @param ex a possibly <code>null</code> root exception that caused this 093 * exception. 094 * @see Throwable#getMessage() 095 * @see SaslException#getCause() 096 */ 097 public AuthenticationException(String detail, Throwable ex) 098 { 099 super(detail, ex); 100 } 101 102 // Class methods 103 // ------------------------------------------------------------------------- 104 105 // Instance methods 106 // ------------------------------------------------------------------------- 107}