1 /**
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18 package org.apache.hadoop.hbase.security.visibility;
19
20 import java.util.List;
21
22 import org.apache.hadoop.hbase.classification.InterfaceAudience;
23 import org.apache.hadoop.conf.Configuration;
24 import org.apache.hadoop.hbase.security.User;
25
26 /**
27 * This is a simple implementation for ScanLabelGenerator. It will just extract labels passed via
28 * Scan#Authorizations.
29 */
30 @InterfaceAudience.Private
31 public class SimpleScanLabelGenerator implements ScanLabelGenerator {
32
33 private Configuration conf;
34
35 @Override
36 public void setConf(Configuration conf) {
37 this.conf = conf;
38 }
39
40 @Override
41 public Configuration getConf() {
42 return this.conf;
43 }
44
45 @Override
46 public List<String> getLabels(User user, Authorizations authorizations) {
47 if (authorizations != null) {
48 return authorizations.getLabels();
49 }
50 return null;
51 }
52 }