PrivilegedAction.java revision adc854b798c1cfe3bfd4c27d68d5cee38ca617da
1adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project/* 2adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Licensed to the Apache Software Foundation (ASF) under one or more 3adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * contributor license agreements. See the NOTICE file distributed with 4adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * this work for additional information regarding copyright ownership. 5adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * The ASF licenses this file to You under the Apache License, Version 2.0 6adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * (the "License"); you may not use this file except in compliance with 7adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the License. You may obtain a copy of the License at 8adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * 9adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 10adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * 11adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Unless required by applicable law or agreed to in writing, software 12adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 13adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * See the License for the specific language governing permissions and 15adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * limitations under the License. 16adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 17adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 18adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project/** 19adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project* @author Alexander V. Astapchuk 20adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project* @version $Revision$ 21adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project*/ 22adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 23adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectpackage java.security; 24adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 25adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project/** 26adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code PrivilegedAction} represents an action that can be executed privileged 27adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * regarding access control. Instances of {@code PrivilegedAction} can be 28adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * executed on {@code AccessController.doPrivileged()}. 29adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * 30adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see AccessController 31adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see AccessController#doPrivileged(PrivilegedAction) 32adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see AccessController#doPrivileged(PrivilegedAction, AccessControlContext) 33adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see PrivilegedExceptionAction 34adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @since Android 1.0 35adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 36adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectpublic interface PrivilegedAction<T> { 37adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 38adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 39adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Returns the result of running the action. 40adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * 41adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the result of running the action. 42adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @since Android 1.0 43adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 44adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public T run(); 45adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project}