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;
20 import org.wamblee.usermgt.User;
24 * Represents an authorization rule to determine whether an operation is allowed on a resource.
26 * @author Erik Brakkee
28 public interface AuthorizationRule extends Persistent {
30 * Returns the supported object types for which this authorization
31 * rule applies. This can be used by the authorization service for
34 * @return Array of supported types.
36 Class[] getSupportedTypes();
39 * Determines whether an operation is allowed on a certain
40 * resource. The rule implementation must be prepared to deal with
41 * resources for which it does not apply. In those cases it should return
42 * {@link AuthorizationResult#UNSUPPORTED_RESOURCE}.
44 * @param aResource Resource.
45 * @param anOperation Operation.
46 * @param aUser Current user.
48 * @return Authorization result.
50 AuthorizationResult isAllowed(Object aResource, Operation anOperation,