| /** |
| * 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.lib.service.security; |
| |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.conf.Configuration; |
| import org.apache.hadoop.lib.server.BaseService; |
| import org.apache.hadoop.lib.server.ServiceException; |
| import org.apache.hadoop.lib.service.Groups; |
| import org.apache.hadoop.lib.util.ConfigurationUtils; |
| |
| import java.io.IOException; |
| import java.util.List; |
| |
| @InterfaceAudience.Private |
| public class GroupsService extends BaseService implements Groups { |
| private static final String PREFIX = "groups"; |
| |
| private org.apache.hadoop.security.Groups hGroups; |
| |
| public GroupsService() { |
| super(PREFIX); |
| } |
| |
| @Override |
| protected void init() throws ServiceException { |
| Configuration hConf = new Configuration(false); |
| ConfigurationUtils.copy(getServiceConfig(), hConf); |
| hGroups = new org.apache.hadoop.security.Groups(hConf); |
| } |
| |
| @Override |
| public Class getInterface() { |
| return Groups.class; |
| } |
| |
| @Override |
| public List<String> getGroups(String user) throws IOException { |
| return hGroups.getGroups(user); |
| } |
| |
| } |