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.ArrayList;
21 import java.util.Collections;
22 import java.util.List;
23
24 import org.apache.hadoop.hbase.classification.InterfaceAudience;
25 import org.apache.hadoop.hbase.classification.InterfaceStability;
26
27 /**
28 * This class contains visibility labels associated with a Scan/Get deciding which all labeled data
29 * current scan/get can access.
30 */
31 @InterfaceAudience.Public
32 @InterfaceStability.Evolving
33 public class Authorizations {
34
35 private List<String> labels;
36 public Authorizations(String... labels) {
37 this.labels = new ArrayList<String>(labels.length);
38 Collections.addAll(this.labels, labels);
39 }
40
41 public Authorizations(List<String> labels) {
42 this.labels = labels;
43 }
44
45 public List<String> getLabels() {
46 return Collections.unmodifiableList(this.labels);
47 }
48
49 @Override
50 public String toString() {
51 StringBuilder sb = new StringBuilder();
52 sb.append("[ ");
53 for (String label: labels) {
54 sb.append(label);
55 sb.append(' ');
56 }
57 sb.append(']');
58 return sb.toString();
59 }
60
61 }