| /* |
| * 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 javax.servlet.http; |
| |
| import java.util.EventListener; |
| |
| /** |
| * This listener interface can be implemented in order to get notifications of |
| * changes to the attribute lists of sessions within this web application. |
| * |
| * @since v 2.3 |
| */ |
| public interface HttpSessionAttributeListener extends EventListener { |
| |
| /** |
| * Notification that an attribute has been added to a session. Called after |
| * the attribute is added. |
| * |
| * @param se Information about the added attribute |
| */ |
| public void attributeAdded(HttpSessionBindingEvent se); |
| |
| /** |
| * Notification that an attribute has been removed from a session. Called |
| * after the attribute is removed. |
| * |
| * @param se Information about the removed attribute |
| */ |
| public void attributeRemoved(HttpSessionBindingEvent se); |
| |
| /** |
| * Notification that an attribute has been replaced in a session. Called |
| * after the attribute is replaced. |
| * |
| * @param se Information about the replaced attribute |
| */ |
| public void attributeReplaced(HttpSessionBindingEvent se); |
| } |