2 * Copyright 2005-2010 the original author or authors.
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
16 package org.wamblee.security.authorization;
18 import org.wamblee.persistence.Persistent;
21 * Service to determine if access to a certain resource is allowed.
23 * @author Erik Brakkee
25 public interface AuthorizationService extends Persistent {
27 * Checks whether an operation is allowed on a resource.
34 * @return Checks whether the operation is allowed on a resource.
36 boolean isAllowed(Object aResource, Operation aOperation);
38 <T> T check(T aResource, Operation aOperation);
41 * Gets the authorization rules.
45 AuthorizationRule[] getRules();
48 * Appends a new authorization rule to the end.
53 void appendRule(AuthorizationRule aRule);
59 * Index of the rule to remove.
61 void removeRule(int aIndex);
67 * Index of the position of the rule after insertion.
71 void insertRuleAfter(int aIndex, AuthorizationRule aRule);