01: /*
02: * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
03: *
04: * This file is part of Resin(R) Open Source
05: *
06: * Each copy or derived work must preserve the copyright notice and this
07: * notice unmodified.
08: *
09: * Resin Open Source is free software; you can redistribute it and/or modify
10: * it under the terms of the GNU General Public License as published by
11: * the Free Software Foundation; either version 2 of the License, or
12: * (at your option) any later version.
13: *
14: * Resin Open Source is distributed in the hope that it will be useful,
15: * but WITHOUT ANY WARRANTY; without even the implied warranty of
16: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17: * of NON-INFRINGEMENT. See the GNU General Public License for more
18: * details.
19: *
20: * You should have received a copy of the GNU General Public License
21: * along with Resin Open Source; if not, write to the
22: * Free SoftwareFoundation, Inc.
23: * 59 Temple Place, Suite 330
24: * Boston, MA 02111-1307 USA
25: *
26: * @author Scott Ferguson
27: */
28:
29: package com.caucho.server.dispatch;
30:
31: import javax.servlet.Filter;
32: import javax.servlet.FilterChain;
33: import javax.servlet.ServletException;
34: import javax.servlet.ServletRequest;
35: import javax.servlet.ServletResponse;
36: import java.io.IOException;
37:
38: import com.caucho.servlet.comet.CometFilter;
39: import com.caucho.servlet.comet.CometFilterChain;
40:
41: /**
42: * Represents the next filter in a filter chain. The final filter will
43: * be the servlet itself.
44: */
45: public class CometFilterFilterChain extends AbstractFilterChain {
46: // Next filter chain
47: private CometFilterChain _next;
48:
49: // filter
50: private CometFilter _filter;
51:
52: /**
53: * Creates a new FilterChainFilter.
54: *
55: * @param next the next filterChain
56: * @param filter the user's filter
57: */
58: public CometFilterFilterChain(CometFilterChain next,
59: CometFilter filter) {
60: _next = next;
61: _filter = filter;
62: }
63:
64: /**
65: * Invokes the next filter in the chain or the final servlet at
66: * the end of the chain.
67: *
68: * @param request the servlet request
69: * @param response the servlet response
70: * @since Servlet 2.3
71: */
72: public void doFilter(ServletRequest request,
73: ServletResponse response) throws ServletException,
74: IOException {
75: _filter.doFilter(request, response, _next);
76: }
77:
78: /**
79: * Resumes the request.
80: *
81: * @param request the servlet request
82: * @param response the servlet response
83: *
84: * @since Resin 3.1.3
85: */
86: @Override
87: public boolean doResume(ServletRequest request,
88: ServletResponse response) throws ServletException,
89: IOException {
90: return _next.doResume(request, response);
91: }
92: }
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