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Java > Open Source Codes > org > apache > lenya > ac > Policy


1 /*
2  * Copyright 1999-2004 The Apache Software Foundation
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  *
16  */
17
18 package org.apache.lenya.ac;
19
20 /**
21  * A policy assigns roles to accreditables using credentials.
22  * Additionally, SSL protection is defined.
23  *
24  * @version $Id: Policy.java 43240 2004-08-16 16:21:22Z andreas $
25  */
26 public interface Policy {
27     /**
28      * Returns all roles of a certain identity.
29      * @param identity The identity.
30      * @return An array of roles.
31      * @throws AccessControlException when something went wrong.
32      */
33     Role[] getRoles(Identity identity) throws AccessControlException;
34     
35     /**
36      * Returns if this policy requires SSL protection.
37      * @return A boolean value.
38      * @throws AccessControlException when something went wrong.
39      */
40     boolean isSSLProtected() throws AccessControlException;
41     
42     /**
43      * Returns if the policy is empty. A policy is empty if it does
44      * not contain any credentials.
45      * @return A boolean value.
46      * @throws AccessControlException when something went wrong.
47      */
48     boolean isEmpty() throws AccessControlException;
49 }
50
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