2 * Copyright 2005 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;
22 * Service to determine if access to a certain resource is allowed.
24 * @author Erik Brakkee
26 public interface AuthorizationService extends Persistent {
28 * Checks whether an operation is allowed on a resource.
30 * @param aResource Resource.
31 * @param aOperation Operation.
33 * @return Checks whether the operation is allowed on a resource.
35 boolean isAllowed(Object aResource, Operation aOperation);
40 * @param <T> DOCUMENT ME!
41 * @param aResource DOCUMENT ME!
42 * @param aOperation DOCUMENT ME!
44 * @return DOCUMENT ME!
46 <T> T check(T aResource, Operation aOperation);
49 * Gets the authorization rules.
53 AuthorizationRule[] getRules();
56 * Appends a new authorization rule to the end.
58 * @param aRule Rule to append.
60 void appendRule(AuthorizationRule aRule);
65 * @param aIndex Index of the rule to remove.
67 void removeRule(int aIndex);
72 * @param aIndex Index of the position of the rule after insertion.
73 * @param aRule Rule to insert.
75 void insertRuleAfter(int aIndex, AuthorizationRule aRule);