/** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.hadoop.hbase.security; import org.apache.hadoop.hbase.classification.InterfaceAudience; import org.apache.hadoop.hbase.classification.InterfaceStability; /** * Security related generic utility methods. */ @InterfaceAudience.Private @InterfaceStability.Evolving public class SecurityUtil { /** * Get the user name from a principal */ public static String getUserFromPrincipal(final String principal) { int i = principal.indexOf("/"); if (i == -1) { i = principal.indexOf("@"); } return (i > -1) ? principal.substring(0, i) : principal; } /** * Get the user name from a principal */ public static String getPrincipalWithoutRealm(final String principal) { int i = principal.indexOf("@"); return (i > -1) ? principal.substring(0, i) : principal; } }