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 * @see java.security.acl.Acl
38 *
39 * @deprecated This package has been replaced by {@code java.security.Policy}
40 * and related classes since 1.2.
41 */
42 @Deprecated(since="9")
43 public interface Owner {
44
45 /**
46 * Adds an owner. Only owners can modify ACL contents. The caller
47 * principal must be an owner of the ACL in order to invoke this method.
48 * That is, only an owner can add another owner. The initial owner is
49 * configured at ACL construction time.
50 *
51 * @param caller the principal invoking this method. It must be an owner
52 * of the ACL.
53 *
54 * @param owner the owner that should be added to the list of owners.
55 *
56 * @return true if successful, false if owner is already an owner.
57 * @exception NotOwnerException if the caller principal is not an owner
58 * of the ACL.
59 */
60 public boolean addOwner(Principal caller, Principal owner)
61 throws NotOwnerException;
62
63 /**
64 * Deletes an owner. If this is the last owner in the ACL, an exception is
65 * raised.<p>
66 *
67 * The caller principal must be an owner of the ACL in order to invoke
68 * this method.
69 *
70 * @param caller the principal invoking this method. It must be an owner
71 * of the ACL.
72 *
73 * @param owner the owner to be removed from the list of owners.
74 *
75 * @return true if the owner is removed, false if the owner is not part
76 * of the list of owners.
77 *
78 * @exception NotOwnerException if the caller principal is not an owner
79 * of the ACL.
80 *
81 * @exception LastOwnerException if there is only one owner left, so that
82 * deleteOwner would leave the ACL owner-less.
83 */
84 public boolean deleteOwner(Principal caller, Principal owner)
85 throws NotOwnerException, LastOwnerException;
86
87 /**
88 * Returns true if the given principal is an owner of the ACL.
89 *
90 * @param owner the principal to be checked to determine whether or not
91 * it is an owner.
92 *
93 * @return true if the passed principal is in the list of owners, false
94 * if not.
95 */
96 public boolean isOwner(Principal owner);
97
98 }