Source code: com/tripi/asp/PrintExceptionHandler.java
1 /**
2 * ArrowHead ASP Server
3 * This is a source file for the ArrowHead ASP Server - an 100% Java
4 * VBScript interpreter and ASP server.
5 *
6 * For more information, see http://www.tripi.com/arrowhead
7 *
8 * Copyright (C) 2002 Terence Haddock
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 *
24 */
25 package com.tripi.asp;
26
27 import java.io.PrintWriter;
28 import java.io.StringWriter;
29 import java.io.IOException;
30 import java.util.Properties;
31 import org.apache.log4j.Category;
32
33 /**
34 * This class handles an exception by printing out the stack trace
35 * to the response handler.
36 *
37 * @author Terence Haddock
38 * @version 0.9
39 */
40 public class PrintExceptionHandler implements AspExceptionHandler
41 {
42 /** Debugging class */
43 static Category DBG = Category.getInstance(PrintExceptionHandler.class);
44
45 /**
46 * This function configures any properties
47 */
48 public void configureExceptionHandler(Properties prop)
49 {
50 /* Nothing to configure */
51 }
52
53 /**
54 * This function is called when an exception occurs
55 * @param ex Exception which occured
56 */
57 public boolean onExceptionOccured(AspContext ctx, AspException ex)
58 throws AspException
59 {
60 try {
61 Response rsp = ctx.getAspResponse();
62 StringWriter string = new StringWriter();
63 PrintWriter write = new PrintWriter(string);
64 write.write("</table></table><pre>");
65 ex.printStackTrace(write);
66 write.write("</pre>");
67 write.close();
68 rsp.Write(string.toString());
69 } catch (IOException ioex) {
70 DBG.error("Error while displaying exception", ioex);
71 }
72 return true;
73 }
74 }
75