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 }