01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * 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: */
18:
19: package org.apache.lenya.ac;
20:
21: import org.apache.avalon.framework.component.Component;
22: import org.apache.cocoon.environment.Request;
23:
24: /**
25: * An Authorizer checks if an Identity is authorized to invoke a certain request.
26: * @version $Id: Authorizer.java 473861 2006-11-12 03:51:14Z gregor $
27: */
28: public interface Authorizer extends Component {
29:
30: /**
31: * The Avalon role.
32: */
33: String ROLE = Authorizer.class.getName();
34:
35: /**
36: * Authorizes an identity at a URL.
37: * @param request The request.
38: * @return <code>true</code> if the identity is authorized, <code>false</code> otherwise.
39: * @throws AccessControlException when something went wrong.
40: */
41: boolean authorize(Request request) throws AccessControlException;
42:
43: }
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