content: /**
   * 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 backtype.storm.testing;
  
  import backtype.storm.security.auth.SimpleTransportPlugin;
  import javax.security.auth.Subject;
  import java.security.Principal;
  import java.util.HashSet;
  
  public class SingleUserSimpleTransport extends SimpleTransportPlugin {
      @Override
      protected Subject getDefaultSubject() {
          HashSet<Principal> principals = new HashSet<Principal>();
          principals.add(new Principal() {
              public String getName() {
                  return "user";
              }
  
              public String toString() {
                  return "user";
              }
          });
          return new Subject(true, principals, new HashSet<>(), new HashSet<>());
      }
  }
  