| /* |
| * |
| * 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.qpid.server.security.auth.sasl; |
| |
| import java.security.Principal; |
| import java.util.Set; |
| |
| import javax.security.auth.Subject; |
| |
| /** A principal that is just a wrapper for a simple username. */ |
| public class UsernamePrincipal implements Principal |
| { |
| private final String _name; |
| |
| public UsernamePrincipal(String name) |
| { |
| if (name == null) |
| { |
| throw new IllegalArgumentException("name cannot be null"); |
| } |
| _name = name; |
| } |
| |
| public String getName() |
| { |
| return _name; |
| } |
| |
| public String toString() |
| { |
| return _name; |
| } |
| |
| /** |
| * @see java.lang.Object#hashCode() |
| */ |
| @Override |
| public int hashCode() |
| { |
| final int prime = 31; |
| return prime * _name.hashCode(); |
| } |
| |
| /** |
| * @see java.lang.Object#equals(java.lang.Object) |
| */ |
| @Override |
| public boolean equals(Object obj) |
| { |
| if (this == obj) |
| { |
| return true; |
| } |
| else |
| { |
| if (obj instanceof UsernamePrincipal) |
| { |
| UsernamePrincipal other = (UsernamePrincipal) obj; |
| return _name.equals(other._name); |
| } |
| else |
| { |
| return false; |
| } |
| } |
| } |
| |
| public static UsernamePrincipal getUsernamePrincipalFromSubject(final Subject authSubject) |
| { |
| if (authSubject == null) |
| { |
| throw new IllegalArgumentException("No authenticated subject."); |
| } |
| |
| final Set<UsernamePrincipal> principals = authSubject.getPrincipals(UsernamePrincipal.class); |
| if (principals.size() != 1) |
| { |
| throw new IllegalArgumentException("Can't find single UsernamePrincipal in authenticated subject"); |
| } |
| return principals.iterator().next(); |
| } |
| } |