001    /**
002     * Licensed to the Apache Software Foundation (ASF) under one
003     * or more contributor license agreements.  See the NOTICE file
004     * distributed with this work for additional information
005     * regarding copyright ownership.  The ASF licenses this file
006     * to you under the Apache License, Version 2.0 (the
007     * "License"); you may not use this file except in compliance
008     * with the License.  You may obtain a copy of the License at
009     *
010     *     http://www.apache.org/licenses/LICENSE-2.0
011     *
012     * Unless required by applicable law or agreed to in writing, software
013     * distributed under the License is distributed on an "AS IS" BASIS,
014     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015     * See the License for the specific language governing permissions and
016     * limitations under the License.
017     */
018    
019    package org.apache.hadoop.security;
020    
021    import org.apache.hadoop.conf.Configuration;
022    import org.apache.hadoop.security.token.TokenInfo;
023    
024    /**
025     * Constructs SecurityInfo from Annotations provided in protocol interface.
026     */
027    public class AnnotatedSecurityInfo extends SecurityInfo {
028    
029      @Override
030      public KerberosInfo getKerberosInfo(Class<?> protocol, Configuration conf) {
031        return protocol.getAnnotation(KerberosInfo.class);
032      }
033    
034      @Override
035      public TokenInfo getTokenInfo(Class<?> protocol, Configuration conf) {
036        return protocol.getAnnotation(TokenInfo.class);
037      }
038    
039      
040    }