1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.shiro.authz.permission;
20
21 import java.io.Serializable;
22
23 import org.apache.shiro.authz.Permission;
24
25
26 /**
27 * An all <tt>AllPermission</tt> instance is one that always implies any other permission; that is, its
28 * {@link #implies implies} method always returns <tt>true</tt>.
29 *
30 * <p>You should be very careful about the users, roles, and/or groups to which this permission is assigned since
31 * those respective entities will have the ability to do anything. As such, an instance of this class
32 * is typically only assigned only to "root" or "administrator" users or roles.
33 *
34 * @since 0.1
35 */
36 public class AllPermission implements Permission, Serializable {
37
38 /**
39 * Always returns <tt>true</tt>, indicating any Subject granted this permission can do anything.
40 *
41 * @param p the Permission to check for implies logic.
42 * @return <tt>true</tt> always, indicating any Subject grated this permission can do anything.
43 */
44 public boolean implies(Permission p) {
45 return true;
46 }
47 }