1/*
2 *  Licensed to the Apache Software Foundation (ASF) under one or more
3 *  contributor license agreements.  See the NOTICE file distributed with
4 *  this work for additional information regarding copyright ownership.
5 *  The ASF licenses this file to You under the Apache License, Version 2.0
6 *  (the "License"); you may not use this file except in compliance with
7 *  the License.  You may obtain a copy of the License at
8 *
9 *     http://www.apache.org/licenses/LICENSE-2.0
10 *
11 *  Unless required by applicable law or agreed to in writing, software
12 *  distributed under the License is distributed on an "AS IS" BASIS,
13 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 *  See the License for the specific language governing permissions and
15 *  limitations under the License.
16 */
17
18package java.security.acl;
19
20/**
21 * The interface that represents a permission.
22 * <p>
23 * It can be granted or denied to a {@link java.security.Principal Principal}
24 * using an {@link Acl}.
25 */
26public interface Permission {
27
28
29    /**
30     * Checks whether the specified object equals this permission.
31     *
32     * @param another
33     *            the permission object to compare to this permission.
34     * @return true if the specified permission object is equal to this, false
35     *         if not.
36     */
37    boolean equals(Object another);
38
39    /**
40     * Returns the string representation of this permission.
41     *
42     * @return the string representation of this permission.
43     */
44    String toString();
45}
46