hbase-server/src/main/java/org/apache/hadoop/hbase/security/SecurityUtil.java

   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.yetus.audience.InterfaceAudience;
  22 import org.apache.yetus.audience.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 }