/* Copyright 2004, 2005, 2006 Acegi Technology Pty Limited

  *

  * Licensed under the Apache License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  *     http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 package org.acegisecurity.afterinvocation;

 import org.acegisecurity.AccessDeniedException;

 import org.acegisecurity.Authentication;

 import org.acegisecurity.ConfigAttribute;

 import org.acegisecurity.ConfigAttributeDefinition;

 /**

  * Indicates a class is responsible for participating in an {@link

  * AfterInvocationProviderManager} decision.

  *

  * @author Ben Alex

  * @version $Id: AfterInvocationProvider.java 1784 2007-02-24 21:00:24Z luke_t $

  */

 public interface AfterInvocationProvider {

     //~ Methods ========================================================================================================

     Object decide(Authentication authentication, Object object, ConfigAttributeDefinition config,

         Object returnedObject) throws AccessDeniedException;

     /**

      * Indicates whether this <code>AfterInvocationProvider</code> is able to participate in a decision

      * involving the passed <code>ConfigAttribute</code>.<p>This allows the

      * <code>AbstractSecurityInterceptor</code> to check every configuration attribute can be consumed by the

      * configured <code>AccessDecisionManager</code> and/or <code>RunAsManager</code> and/or

      * <code>AccessDecisionManager</code>.</p>

      *

      * @param attribute a configuration attribute that has been configured against the

      *        <code>AbstractSecurityInterceptor</code>

      *

      * @return true if this <code>AfterInvocationProvider</code> can support the passed configuration attribute

      */

     boolean supports(ConfigAttribute attribute);

     /**

      * Indicates whether the <code>AfterInvocationProvider</code> is able to provide "after invocation"

      * processing for the indicated secured object type.

      *

      * @param clazz the class of secure object that is being queried

      *

      * @return true if the implementation can process the indicated class

      */

     boolean supports(Class clazz);

 }