| /* |
| * 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; |
| |
| import java.io.IOException; |
| |
| /** |
| * A FilterChain is an object provided by the servlet container to the developer |
| * giving a view into the invocation chain of a filtered request for a resource. Filters |
| * use the FilterChain 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. |
| * |
| * @see Filter |
| * @since Servlet 2.3 |
| */ |
| |
| public interface FilterChain { |
| |
| /** |
| * 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 request the request to pass along the chain. |
| * @param response the response to pass along the chain. |
| * @since 2.3 |
| * @throws java.io.IOException if there's an IO problem |
| * @throws ServletException if there is a non-IO problem |
| */ |
| |
| public void doFilter(ServletRequest request, ServletResponse response ) throws IOException, ServletException; |
| |
| } |
| |