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