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
19 package org.apache.hadoop.hbase.security;
20
21 import org.apache.hadoop.hbase.classification.InterfaceAudience;
22 import org.apache.hadoop.hbase.classification.InterfaceStability;
23
24 /**
25 * Security related generic utility methods.
26 */
27 @InterfaceAudience.Private
28 @InterfaceStability.Evolving
29 public class SecurityUtil {
30
31 /**
32 * Get the user name from a principal
33 */
34 public static String getUserFromPrincipal(final String principal) {
35 int i = principal.indexOf("/");
36 if (i == -1) {
37 i = principal.indexOf("@");
38 }
39 return (i > -1) ? principal.substring(0, i) : principal;
40 }
41
42 /**
43 * Get the user name from a principal
44 */
45 public static String getPrincipalWithoutRealm(final String principal) {
46 int i = principal.indexOf("@");
47 return (i > -1) ? principal.substring(0, i) : principal;
48 }
49 }