| /* |
| * Copyright 2011 Google Inc. |
| * |
| * Licensed 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 com.google.gwt.sample.mobilewebapp.server.domain; |
| |
| import com.google.appengine.api.users.User; |
| import com.google.appengine.api.users.UserServiceFactory; |
| |
| /** |
| * Wrapper around the {@link com.google.appengine.api.users.UserService} GAE |
| * api. |
| */ |
| public class UserServiceWrapper { |
| |
| public static UserServiceWrapper instance = new UserServiceWrapper(); |
| |
| public static UserServiceWrapper get() { |
| return instance; |
| } |
| |
| private UserServiceWrapper() { |
| } |
| |
| /** |
| * Get the current user. |
| * {@link com.google.gwt.sample.gaerequest.server.GaeAuthFilter} should ensure |
| * that the user is logged in, but we take precautions here as well. |
| * |
| * @return the current user |
| * @throws RuntimeException if the user is not logged in |
| */ |
| public User getCurrentUser() { |
| User currentUser = UserServiceFactory.getUserService().getCurrentUser(); |
| if (currentUser == null) { |
| throw new RuntimeException("User not logged in"); |
| } |
| return currentUser; |
| } |
| |
| /** |
| * Get the unique ID of the current user. |
| * |
| * @return a unique ID |
| * @throws RuntimeException if the user is not logged in |
| */ |
| public String getCurrentUserId() { |
| return getCurrentUser().getUserId(); |
| } |
| } |