| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.ki.authz.annotation; |
| |
| import java.lang.annotation.ElementType; |
| import java.lang.annotation.Retention; |
| import java.lang.annotation.RetentionPolicy; |
| import java.lang.annotation.Target; |
| |
| /** |
| * Requires the current Subject to be a "guest", that is, they are not authenticated <em>or</em> remembered |
| * from a previous session for the annotated class/instance/method to be accessed or invoked. |
| * <p/> |
| * This annotation is the logical inverse of the {@link RequiresUser RequiresUser} annotation. That is, |
| * <code>RequiresUser == !RequiresGuest</code>, or more accurately, |
| * <p/> |
| * <code>RequiresGuest === subject.{@link org.ki.subject.Subject#getPrincipal() getPrincipal()} == null</code>. |
| * |
| * @see RequiresAuthentication |
| * @see RequiresUser |
| * |
| * @since 0.9.0 |
| * @author Les Hazlewood |
| */ |
| @Target(ElementType.METHOD) |
| @Retention(RetentionPolicy.RUNTIME) |
| public @interface RequiresGuest { |
| } |