2 * Copyright 2005-2010 the original author or authors.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 package org.wamblee.security.authentication;
18 import java.util.EnumMap;
21 * User management exception.
23 * @author Erik Brakkee
25 public class UserMgtException extends RuntimeException {
26 static final long serialVersionUID = 5585349754997507529L;
29 * Mapping of enum to exception message text.
31 private static final EnumMap<Reason, String> MESSAGES = new EnumMap<Reason, String>(
35 MESSAGES.put(Reason.UNKNOWN_USER, "Unknown user");
36 MESSAGES.put(Reason.UNKNOWN_GROUP, "Unknown group");
37 MESSAGES.put(Reason.DUPLICATE_USER, "Duplicate user");
38 MESSAGES.put(Reason.DUPLICATE_GROUP, "Duplicate group");
39 MESSAGES.put(Reason.USER_ALREADY_IN_GROUP, "User already in group");
40 MESSAGES.put(Reason.USER_NOT_IN_GROUP, "User not in group");
41 MESSAGES.put(Reason.INVALID_PASSWORD, "Invalid password");
42 MESSAGES.put(Reason.GROUP_STILL_OCCUPIED, "Group still occupied");
43 MESSAGES.put(Reason.USER_MUST_BE_IN_A_GROUP,
44 "User must be in at least one group");
45 MESSAGES.put(Reason.INVALID_USERNAME, "Invalid user name");
46 MESSAGES.put(Reason.INVALID_GROUPNAME, "Invalid group name");
50 * Cause of the exception.
55 * User or null if no user is relevant for the problem.
60 * Group or null if no group is relevant for the problem.
65 * Creates a new UserMgtException object.
68 public UserMgtException(Reason aCause, String aMessage) {
69 super(MESSAGES.get(aCause) + ": " + aMessage);
74 * Creates a new UserMgtException object.
77 public UserMgtException(Reason aCause, User aUser) {
78 this(aCause, "for user '" + aUser.getName() + "'");
83 * Creates a new UserMgtException object.
86 public UserMgtException(Reason aCause, Group aGroup) {
87 this(aCause, "for group '" + aGroup.getName() + "'");
92 * Creates a new UserMgtException object.
95 public UserMgtException(Reason aCause, User aUser, Group aGroup) {
96 this(aCause, "for user '" + aUser.getName() + "' and group '" +
97 aGroup.getName() + "'");
103 * Gets the cause of the problem.
107 public Reason getReason() {
112 * Gets the user for which the problem occurred.
114 * @return User or null if not applicable.
116 public User getUser() {
121 * Gets the group for which the problem occured.
123 * @return Group or null if not applicable.
125 public Group getGroup() {
130 * Possible causes for the exception.
134 UNKNOWN_USER, UNKNOWN_GROUP, DUPLICATE_USER, DUPLICATE_GROUP, USER_ALREADY_IN_GROUP, USER_NOT_IN_GROUP, INVALID_PASSWORD, GROUP_STILL_OCCUPIED, USER_MUST_BE_IN_A_GROUP, INVALID_USERNAME, INVALID_GROUPNAME;