2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
17 package javax.servlet;
19 import java.io.IOException;
22 * A FilterChain is an object provided by the servlet container to the developer
23 * giving a view into the invocation chain of a filtered request for a resource.
24 * Filters use the FilterChain to invoke the next filter in the chain, or if the
25 * calling filter is the last filter in the chain, to invoke the resource at the
32 public interface FilterChain {
35 * Causes the next filter in the chain to be invoked, or if the calling
36 * filter is the last filter in the chain, causes the resource at the end of
37 * the chain to be invoked.
40 * the request to pass along the chain.
42 * the response to pass along the chain.
46 public void doFilter(ServletRequest request, ServletResponse response)
47 throws IOException, ServletException;