| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.hadoop.security; |
| |
| import java.security.Principal; |
| |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.classification.InterfaceStability; |
| import org.apache.hadoop.security.UserGroupInformation.AuthenticationMethod; |
| |
| /** |
| * Save the full and short name of the user as a principal. This allows us to |
| * have a single type that we always look for when picking up user names. |
| */ |
| @InterfaceAudience.LimitedPrivate({"HDFS", "MapReduce"}) |
| @InterfaceStability.Evolving |
| class User implements Principal { |
| private final String fullName; |
| private final String shortName; |
| private AuthenticationMethod authMethod = null; |
| |
| public User(String name) { |
| this(name, null); |
| } |
| |
| public User(String name, AuthenticationMethod authMethod) { |
| fullName = name; |
| int atIdx = name.indexOf('@'); |
| if (atIdx == -1) { |
| shortName = name; |
| } else { |
| int slashIdx = name.indexOf('/'); |
| if (slashIdx == -1 || atIdx < slashIdx) { |
| shortName = name.substring(0, atIdx); |
| } else { |
| shortName = name.substring(0, slashIdx); |
| } |
| } |
| this.authMethod = authMethod; |
| } |
| |
| /** |
| * Get the full name of the user. |
| */ |
| @Override |
| public String getName() { |
| return fullName; |
| } |
| |
| /** |
| * Get the user name up to the first '/' or '@' |
| * @return the leading part of the user name |
| */ |
| public String getShortName() { |
| return shortName; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } else if (o == null || getClass() != o.getClass()) { |
| return false; |
| } else { |
| return ((fullName.equals(((User) o).fullName)) && (authMethod == ((User) o).authMethod)); |
| } |
| } |
| |
| @Override |
| public int hashCode() { |
| return fullName.hashCode(); |
| } |
| |
| @Override |
| public String toString() { |
| return fullName; |
| } |
| |
| public void setAuthenticationMethod(AuthenticationMethod authMethod) { |
| this.authMethod = authMethod; |
| } |
| |
| public AuthenticationMethod getAuthenticationMethod() { |
| return authMethod; |
| } |
| } |