1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.shiro.authz.aop;
20
21 import org.apache.shiro.aop.AnnotationResolver;
22
23 /**
24 * Checks to see if a @{@link org.apache.shiro.authz.annotation.RequiresGuest RequiresGuest} annotation
25 * is declared, and if so, ensures the calling <code>Subject</code> does <em>not</em>
26 * have an {@link org.apache.shiro.subject.Subject#getPrincipal() identity} before invoking the method.
27 * <p>
28 * This annotation essentially ensures that <code>subject.{@link org.apache.shiro.subject.Subject#getPrincipal() getPrincipal()} == null</code>.
29 *
30 * @since 0.9.0
31 */
32 public class GuestAnnotationMethodInterceptor extends AuthorizingAnnotationMethodInterceptor {
33
34 /**
35 * Default no-argument constructor that ensures this interceptor looks for
36 * {@link org.apache.shiro.authz.annotation.RequiresGuest RequiresGuest} annotations in a method
37 * declaration.
38 */
39 public GuestAnnotationMethodInterceptor() {
40 super(new GuestAnnotationHandler());
41 }
42
43 /**
44 * @param resolver
45 * @since 1.1
46 */
47 public GuestAnnotationMethodInterceptor(AnnotationResolver resolver) {
48 super(new GuestAnnotationHandler(), resolver);
49 }
50
51 }