| /* |
| * 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.asyncweb.server; |
| |
| public interface HttpServiceFilter { |
| |
| /** |
| * Notifies this handler of the incoming request for a specified request. |
| * |
| * This handler should call <code>invokeNext</code> when it has completed |
| * its duties. This invocation may occur asyncronously - but <i>must</i> |
| * occur for each notification |
| * |
| * @param next The next filter in the filter chain |
| * @param context The service context |
| */ |
| void handleRequest(NextFilter next, HttpServiceContext context) |
| throws Exception; |
| |
| /** |
| * Notifies this handler of the committed response for a specified request. |
| * |
| * This handler should call <code>invokeNext</code> when it has completed |
| * its duties. This invocation may occur asyncronously - but <i>must</i> |
| * occur for each notification |
| * |
| * @param next The next filter in the filter chain |
| * @param context The service context |
| */ |
| void handleResponse(NextFilter next, HttpServiceContext context) |
| throws Exception; |
| |
| void start(); |
| |
| void stop(); |
| |
| /** |
| * Encapsuates a location within a chain of tasks to be performed. |
| * |
| * @author irvingd |
| * @author trustin |
| * @version $Rev$, $Date$ |
| */ |
| public interface NextFilter { |
| |
| /** |
| * Causes the next task in the chain to be performed |
| */ |
| void invoke(); |
| } |
| } |