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Java > Open Source Codes > org > jboss > test > web > servlets > ErrorGeneratorServlet


1 /*
2   * JBoss, Home of Professional Open Source
3   * Copyright 2005, JBoss Inc., and individual contributors as indicated
4   * by the @authors tag. See the copyright.txt in the distribution for a
5   * full listing of individual contributors.
6   *
7   * This is free software; you can redistribute it and/or modify it
8   * under the terms of the GNU Lesser General Public License as
9   * 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.test.web.servlets;
23
24 import java.io.IOException JavaDoc;
25 import javax.servlet.ServletException JavaDoc;
26 import javax.servlet.http.HttpServlet JavaDoc;
27 import javax.servlet.http.HttpServletRequest JavaDoc;
28 import javax.servlet.http.HttpServletResponse JavaDoc;
29
30 /**
31  * A servlet that sends error responses based on the errorCode parameter.
32  *
33  * @author Scott.Stark@jboss.org
34  * @version $Revision: 37406 $
35  */
36 public class ErrorGeneratorServlet extends HttpServlet JavaDoc
37 {
38    /**
39     * Issues a response.sendError() for the errorCode parameter passed in. If
40     * there is no errorCode parameter an IllegalStateException is thrown.
41     *
42     * @param request
43     * @param response
44     * @throws ServletException
45     * @throws IOException
46     */
47    protected void processRequest(HttpServletRequest JavaDoc request, HttpServletResponse JavaDoc response)
48       throws ServletException JavaDoc, IOException JavaDoc
49    {
50       String JavaDoc errorCode = request.getParameter("errorCode");
51       if( errorCode == null )
52          throw new IllegalStateException JavaDoc("No errorCode parameter seen");
53
54       int code = Integer.parseInt(errorCode);
55       response.sendError(code);
56    }
57
58    protected void doGet(HttpServletRequest JavaDoc request, HttpServletResponse JavaDoc response)
59       throws ServletException JavaDoc, IOException JavaDoc
60    {
61       processRequest(request, response);
62    }
63
64    protected void doPost(HttpServletRequest JavaDoc request, HttpServletResponse JavaDoc response)
65       throws ServletException JavaDoc, IOException JavaDoc
66    {
67       processRequest(request, response);
68    }
69    
70 }
71
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