Java tutorial
/* * Copyright 2016 Damien Carol <damien.carol@gmail.com> * * 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 hdfs.jsr203; import java.nio.file.attribute.GroupPrincipal; import org.apache.hadoop.security.UserGroupInformation; /** * Implement {@link GroupPrincipal}. */ public class HadoopGroupPrincipal implements GroupPrincipal { private UserGroupInformation ugi; public HadoopGroupPrincipal(HadoopFileSystem hdfs, String name) { this.ugi = UserGroupInformation.createRemoteUser(name); } @Override public String getName() { return this.ugi.getUserName(); } }