1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 */ 19 package org.apache.shiro.authc; 20 21 /** 22 * Thrown when attempting to authenticate with a principal that doesn't exist in the system (e.g. 23 * by specifying a username that doesn't relate to a user account). 24 * 25 * <p>Whether or not an application wishes to alert a user logging in to the system of this fact is 26 * at the discretion of those responsible for designing the view and what happens when this 27 * exception occurs. 28 * 29 * @since 0.1 30 */ 31 public class UnknownAccountException extends AccountException { 32 33 /** 34 * Creates a new UnknownAccountException. 35 */ 36 public UnknownAccountException() { 37 super(); 38 } 39 40 /** 41 * Constructs a new UnknownAccountException. 42 * 43 * @param message the reason for the exception 44 */ 45 public UnknownAccountException(String message) { 46 super(message); 47 } 48 49 /** 50 * Constructs a new UnknownAccountException. 51 * 52 * @param cause the underlying Throwable that caused this exception to be thrown. 53 */ 54 public UnknownAccountException(Throwable cause) { 55 super(cause); 56 } 57 58 /** 59 * Constructs a new UnknownAccountException. 60 * 61 * @param message the reason for the exception 62 * @param cause the underlying Throwable that caused this exception to be thrown. 63 */ 64 public UnknownAccountException(String message, Throwable cause) { 65 super(message, cause); 66 } 67 }