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Java > Open Source Codes > org > riotfamily > riot > security > policy > AuthorizationPolicy


1 /* ***** BEGIN LICENSE BLOCK *****
2  * Version: MPL 1.1
3  * The contents of this file are subject to the Mozilla Public License Version
4  * 1.1 (the "License"); you may not use this file except in compliance with
5  * the License. You may obtain a copy of the License at
6  * http://www.mozilla.org/MPL/
7  *
8  * Software distributed under the License is distributed on an "AS IS" basis,
9  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
10  * for the specific language governing rights and limitations under the
11  * License.
12  *
13  * The Original Code is Riot.
14  *
15  * The Initial Developer of the Original Code is
16  * Neteye GmbH.
17  * Portions created by the Initial Developer are Copyright (C) 2006
18  * the Initial Developer. All Rights Reserved.
19  *
20  * Contributor(s):
21  * Felix Gnass [fgnass at neteye dot de]
22  *
23  * ***** END LICENSE BLOCK ***** */
24 package org.riotfamily.riot.security.policy;
25
26 import org.riotfamily.riot.security.auth.RiotUser;
27 import org.springframework.core.Ordered;
28
29
30 /**
31  * Interface to check if a user has the permission to perform a certain action.
32  */
33 public interface AuthorizationPolicy extends Ordered {
34
35     public int ACCESS_ABSTAIN = 0;
36     
37     public int ACCESS_DENIED = 1;
38     
39     public int ACCESS_GRANTED = 2;
40
41     /**
42      * Checks whether the given user is allowed to perform the specified action.
43      *
44      * @param subject The user
45      * @param action The action to be performed
46      * @param object The object on which the action is to be performed
47      */
48     public int checkPermission(RiotUser user, String JavaDoc action, Object JavaDoc object);
49
50 }
51
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