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 26 package java.security.acl; 27 28 import 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 class is deprecated and subject to removal in a future 41 * version of Java SE. It has been replaced by {@code java.security.Policy} 42 * and related classes since 1.2. 43 */ 44 @Deprecated(since="9", forRemoval=true) 45 @SuppressWarnings("removal") 46 public interface Owner { 47 48 /** 49 * Adds an owner. Only owners can modify ACL contents. The caller 50 * principal must be an owner of the ACL in order to invoke this method. 51 * That is, only an owner can add another owner. The initial owner is 52 * configured at ACL construction time. 53 * 54 * @param caller the principal invoking this method. It must be an owner 55 * of the ACL. 56 * 57 * @param owner the owner that should be added to the list of owners. 58 * 59 * @return true if successful, false if owner is already an owner. 60 * @exception NotOwnerException if the caller principal is not an owner 61 * of the ACL. 62 */ addOwner(Principal caller, Principal owner)63 public boolean addOwner(Principal caller, Principal owner) 64 throws NotOwnerException; 65 66 /** 67 * Deletes an owner. If this is the last owner in the ACL, an exception is 68 * raised.<p> 69 * 70 * The caller principal must be an owner of the ACL in order to invoke 71 * this method. 72 * 73 * @param caller the principal invoking this method. It must be an owner 74 * of the ACL. 75 * 76 * @param owner the owner to be removed from the list of owners. 77 * 78 * @return true if the owner is removed, false if the owner is not part 79 * of the list of owners. 80 * 81 * @exception NotOwnerException if the caller principal is not an owner 82 * of the ACL. 83 * 84 * @exception LastOwnerException if there is only one owner left, so that 85 * deleteOwner would leave the ACL owner-less. 86 */ deleteOwner(Principal caller, Principal owner)87 public boolean deleteOwner(Principal caller, Principal owner) 88 throws NotOwnerException, LastOwnerException; 89 90 /** 91 * Returns true if the given principal is an owner of the ACL. 92 * 93 * @param owner the principal to be checked to determine whether or not 94 * it is an owner. 95 * 96 * @return true if the passed principal is in the list of owners, false 97 * if not. 98 */ isOwner(Principal owner)99 public boolean isOwner(Principal owner); 100 101 } 102