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.classification.InterfaceAudience;
25 import org.apache.hadoop.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 for (String label : labels) {
39 this.labels.add(label);
40 }
41 }
42
43 public Authorizations(List<String> labels) {
44 this.labels = labels;
45 }
46
47 public List<String> getLabels() {
48 return Collections.unmodifiableList(this.labels);
49 }
50
51 @Override
52 public String toString() {
53 StringBuilder sb = new StringBuilder();
54 sb.append("[ ");
55 for (String label: labels) {
56 sb.append(label);
57 sb.append(' ');
58 }
59 sb.append(']');
60 return sb.toString();
61 }
62
63 }