| /* |
| * 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.apache.catalina.comet; |
| |
| import java.io.IOException; |
| |
| import javax.servlet.ServletException; |
| |
| /** |
| * A CometFilterChain is an object provided by the servlet container to the developer |
| * giving a view into the invocation chain of a filtered event for a resource. Filters |
| * use the CometFilterChain to invoke the next filter in the chain, or if the calling filter |
| * is the last filter in the chain, to invoke the resource at the end of the chain. |
| * |
| * @author Remy Maucherat |
| * @author Filip Hanik |
| */ |
| public interface CometFilterChain { |
| |
| |
| /** |
| * Causes the next filter in the chain to be invoked, or if the calling filter is the last filter |
| * in the chain, causes the resource at the end of the chain to be invoked. |
| * |
| * @param event the event to pass along the chain. |
| */ |
| public void doFilterEvent(CometEvent event) throws IOException, ServletException; |
| |
| |
| } |