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Java > Open Source Codes > org > apache > tester > Forward09


1 /*
2  * Copyright 1999, 2000, 2001 ,2004 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16
17 package org.apache.tester;
18
19
20 import java.io.*;
21 import javax.servlet.*;
22 import javax.servlet.http.*;
23
24 /**
25  * Exercise basic forwarding functionality using
26  * <code>request.getRequestDispatcher()</code>.
27  *
28  * @author Craig R. McClanahan
29  * @version $Revision: 1.2 $ $Date: 2004/02/27 14:58:57 $
30  */
31
32 public class Forward09 extends HttpServlet {
33
34
35     public void doGet(HttpServletRequest request, HttpServletResponse response)
36         throws IOException, ServletException {
37
38         // Prepare this response
39 StringBuffer JavaDoc sb = new StringBuffer JavaDoc();
40         response.setContentType("text/plain");
41     PrintWriter writer = response.getWriter();
42
43         // Acquire the path to which we will issue a forward
44 String JavaDoc path = request.getParameter("path");
45         if (path == null)
46             path = "/Forward00a";
47
48         // Create a request dispatcher and call forward() on it
49 RequestDispatcher rd = request.getRequestDispatcher(path);
50         if (rd == null) {
51             sb.append(" No RequestDispatcher returned/");
52         } else {
53             if (sb.length() < 1)
54                 rd.forward(request, response);
55         }
56
57         // Write our response if an error occurred
58 if (sb.length() >= 1) {
59             writer.print("Forward09 FAILED -");
60             writer.println(sb.toString());
61             while (true) {
62                 String JavaDoc message = StaticLogger.read();
63                 if (message == null)
64                     break;
65                 writer.println(message);
66             }
67         }
68         StaticLogger.reset();
69
70     }
71
72 }
73
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