1/* 2 * Copyright (c) 1996, 2017, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26package java.security.acl; 27 28import java.security.Principal; 29 30/** 31 * Interface for managing owners of Access Control Lists (ACLs) or ACL 32 * configurations. (Note that the Acl interface in the 33 * {@code java.security.acl} package extends this Owner 34 * interface.) The initial owner Principal should be specified as an 35 * argument to the constructor of the class implementing this interface. 36 * 37 * @since 1.1 38 * @see java.security.acl.Acl 39 * 40 * @deprecated This package has been replaced by {@code java.security.Policy} 41 * and related classes since 1.2. 42 */ 43@Deprecated(since="9") 44public interface Owner { 45 46 /** 47 * Adds an owner. Only owners can modify ACL contents. The caller 48 * principal must be an owner of the ACL in order to invoke this method. 49 * That is, only an owner can add another owner. The initial owner is 50 * configured at ACL construction time. 51 * 52 * @param caller the principal invoking this method. It must be an owner 53 * of the ACL. 54 * 55 * @param owner the owner that should be added to the list of owners. 56 * 57 * @return true if successful, false if owner is already an owner. 58 * @exception NotOwnerException if the caller principal is not an owner 59 * of the ACL. 60 */ 61 public boolean addOwner(Principal caller, Principal owner) 62 throws NotOwnerException; 63 64 /** 65 * Deletes an owner. If this is the last owner in the ACL, an exception is 66 * raised.<p> 67 * 68 * The caller principal must be an owner of the ACL in order to invoke 69 * this method. 70 * 71 * @param caller the principal invoking this method. It must be an owner 72 * of the ACL. 73 * 74 * @param owner the owner to be removed from the list of owners. 75 * 76 * @return true if the owner is removed, false if the owner is not part 77 * of the list of owners. 78 * 79 * @exception NotOwnerException if the caller principal is not an owner 80 * of the ACL. 81 * 82 * @exception LastOwnerException if there is only one owner left, so that 83 * deleteOwner would leave the ACL owner-less. 84 */ 85 public boolean deleteOwner(Principal caller, Principal owner) 86 throws NotOwnerException, LastOwnerException; 87 88 /** 89 * Returns true if the given principal is an owner of the ACL. 90 * 91 * @param owner the principal to be checked to determine whether or not 92 * it is an owner. 93 * 94 * @return true if the passed principal is in the list of owners, false 95 * if not. 96 */ 97 public boolean isOwner(Principal owner); 98 99} 100