1
2
3 /*
4 * The contents of this file are subject to the terms
5 * of the Common Development and Distribution License
6 * (the "License"). You may not use this file except
7 * in compliance with the License.
8 *
9 * You can obtain a copy of the license at
10 * glassfish/bootstrap/legal/CDDLv1.0.txt or
11 * https://glassfish.dev.java.net/public/CDDLv1.0.html.
12 * See the License for the specific language governing
13 * permissions and limitations under the License.
14 *
15 * When distributing Covered Code, include this CDDL
16 * HEADER in each file and include the License file at
17 * glassfish/bootstrap/legal/CDDLv1.0.txt. If applicable,
18 * add the following below this CDDL HEADER, with the
19 * fields enclosed by brackets "[]" replaced with your
20 * own identifying information: Portions Copyright [yyyy]
21 * [name of copyright owner]
22 *
23 * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
24 *
25 * Portions Copyright Apache Software Foundation.
26 */
27
28 package javax.servlet;
29
30 import java.io.IOException;
31
32 /**
33 * A FilterChain is an object provided by the servlet container to the developer
34 * giving a view into the invocation chain of a filtered request for a resource. Filters
35 * use the FilterChain to invoke the next filter in the chain, or if the calling filter
36 * is the last filter in the chain, to invoke the resource at the end of the chain.
37 *
38 * @see Filter
39 * @since Servlet 2.3
40 **/
41
42 public interface FilterChain {
43
44 /**
45 * Causes the next filter in the chain to be invoked, or if the calling filter is the last filter
46 * in the chain, causes the resource at the end of the chain to be invoked.
47 *
48 * @param request the request to pass along the chain.
49 * @param response the response to pass along the chain.
50 *
51 * @since 2.3
52 */
53
54 public void doFilter ( ServletRequest request, ServletResponse response ) throws IOException, ServletException;
55
56 }
57