| /** |
| * 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.blur.user; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.apache.blur.utils.ThreadValue; |
| |
| public class UserContext { |
| |
| private static User _defaultUser; |
| |
| static { |
| String username = System.getProperty("user.name"); |
| _defaultUser = new User(username, null); |
| } |
| |
| public static void setDefaultUser(User user) { |
| _defaultUser = copy(user); |
| } |
| |
| public static User getDefaultUser() { |
| return copy(_defaultUser); |
| } |
| |
| public static User copy(User user) { |
| Map<String, String> existingAttributes = user.getAttributes(); |
| if (existingAttributes != null) { |
| Map<String, String> attributes = new HashMap<String, String>(existingAttributes); |
| return new User(user.getUsername(), attributes); |
| } |
| return new User(user.getUsername(), null); |
| } |
| |
| private static ThreadValue<User> _user = new ThreadValue<User>() { |
| @Override |
| protected User initialValue() { |
| return getDefaultUser(); |
| } |
| }; |
| |
| public static void setUser(User user) { |
| _user.set(user); |
| } |
| |
| public static User getUser() { |
| return _user.get(); |
| } |
| |
| public static void reset() { |
| setUser(getDefaultUser()); |
| } |
| |
| } |