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


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 import org.apache.avalon.framework.component.Component;
21 import org.apache.cocoon.environment.Request;
22
23 /**
24  * An Authorizer checks if an Identity is authorized to invoke a certain request.
25  * @version $Id: Authorizer.java 43240 2004-08-16 16:21:22Z andreas $
26  */
27 public interface Authorizer extends Component {
28     
29     /**
30      * The Avalon role.
31      */
32     String JavaDoc ROLE = Authorizer.class.getName();
33
34     /**
35      * Authorizes an identity at a URL.
36      * @param request The request.
37      * @return <code>true</code> if the identity is authorized, <code>false</code> otherwise.
38      * @throws AccessControlException when something went wrong.
39      */
40     boolean authorize(Request request)
41         throws AccessControlException;
42
43 }
44
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