1 /* Copyright 2004, 2005, 2006 Acegi Technology Pty Limited
2 *
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 package org.acegisecurity.afterinvocation;
17
18 import org.acegisecurity.AccessDeniedException;
19 import org.acegisecurity.Authentication;
20 import org.acegisecurity.ConfigAttribute;
21 import org.acegisecurity.ConfigAttributeDefinition;
22
23
24 /**
25 * Indicates a class is responsible for participating in an {@link
26 * AfterInvocationProviderManager} decision.
27 *
28 * @author Ben Alex
29 * @version $Id: AfterInvocationProvider.java 1784 2007-02-24 21:00:24Z luke_t $
30 */
31 public interface AfterInvocationProvider {
32 //~ Methods ========================================================================================================
33
34 Object decide(Authentication authentication, Object object, ConfigAttributeDefinition config,
35 Object returnedObject) throws AccessDeniedException;
36
37 /**
38 * Indicates whether this <code>AfterInvocationProvider</code> is able to participate in a decision
39 * involving the passed <code>ConfigAttribute</code>.<p>This allows the
40 * <code>AbstractSecurityInterceptor</code> to check every configuration attribute can be consumed by the
41 * configured <code>AccessDecisionManager</code> and/or <code>RunAsManager</code> and/or
42 * <code>AccessDecisionManager</code>.</p>
43 *
44 * @param attribute a configuration attribute that has been configured against the
45 * <code>AbstractSecurityInterceptor</code>
46 *
47 * @return true if this <code>AfterInvocationProvider</code> can support the passed configuration attribute
48 */
49 boolean supports(ConfigAttribute attribute);
50
51 /**
52 * Indicates whether the <code>AfterInvocationProvider</code> is able to provide "after invocation"
53 * processing for the indicated secured object type.
54 *
55 * @param clazz the class of secure object that is being queried
56 *
57 * @return true if the implementation can process the indicated class
58 */
59 boolean supports(Class clazz);
60 }