01: /*
02: * JBoss, Home of Professional Open Source.
03: * Copyright 2006, Red Hat Middleware LLC, and individual contributors
04: * as indicated by the @author tags. See the copyright.txt file in the
05: * distribution for a full listing of individual contributors.
06: *
07: * This is free software; you can redistribute it and/or modify it
08: * under the terms of the GNU Lesser General Public License as
09: * published by the Free Software Foundation; either version 2.1 of
10: * the License, or (at your option) any later version.
11: *
12: * This software is distributed in the hope that it will be useful,
13: * but WITHOUT ANY WARRANTY; without even the implied warranty of
14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15: * Lesser General Public License for more details.
16: *
17: * You should have received a copy of the GNU Lesser General Public
18: * License along with this software; if not, write to the Free
19: * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20: * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
21: */
22: package org.jboss.web.tomcat.security;
23:
24: import java.io.IOException;
25:
26: import javax.servlet.ServletException;
27:
28: import org.apache.catalina.connector.Request;
29: import org.apache.catalina.connector.Response;
30: import org.apache.catalina.valves.ValveBase;
31:
32: /**
33: * A Tomcat Valve that obtains the client's HttpServletRequest and saves it in a
34: * ThreadLocal variable. It allows the WebCallbackHandler to populate the
35: * HttpServletRequestCallback.
36: *
37: * @author Ricardo Arguello (ricardoarguello@users.sourceforge.net)
38: * @version $Revision: 57206 $
39: */
40: public class HttpServletRequestValve extends ValveBase {
41: /** ThreadLocal to save the HttpServletRequest. */
42: public static ThreadLocal httpRequest = new ThreadLocal();
43:
44: /**
45: * Default constructor.
46: */
47: public HttpServletRequestValve() {
48: }
49:
50: /**
51: * @see org.apache.catalina.Valve#invoke(org.apache.catalina.connector.Request,
52: * org.apache.catalina.connector.Response)
53: */
54: public void invoke(Request request, Response response)
55: throws IOException, ServletException {
56: try {
57: // Set the ThreadLocal
58: httpRequest.set(request.getRequest());
59:
60: // Perform the request
61: getNext().invoke(request, response);
62: } finally {
63: // Unset the ThreadLocal
64: httpRequest.set(null);
65: }
66: }
67: }
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