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13
14 package org.ejbca.ui.web.pub;
15
16 import java.io.*;
17
18 import javax.servlet.ServletException  ;
19 import javax.servlet.http.HttpServletRequest ;
20 import javax.servlet.http.HttpServletResponse ;
21
22 import org.ejbca.ui.web.RequestHelper;
23
24
25
29 public class ServletDebug {
30 private final ByteArrayOutputStream buffer;
31 private final PrintStream printer;
32 private final HttpServletRequest request;
33 private final HttpServletResponse response;
34
35 public ServletDebug(HttpServletRequest request, HttpServletResponse response) {
36 buffer = new ByteArrayOutputStream();
37 printer = new PrintStream(buffer);
38 this.request = request;
39 this.response = response;
40 }
41
42 public void printDebugInfo() throws IOException, ServletException {
43 request.setAttribute("ErrorMessage", new String (buffer.toByteArray()));
44 request.getRequestDispatcher("error.jsp").forward(request, response);
45 }
46
47 public void print(Object o) {
48 printer.println(o);
49 }
50
51 public void printMessage(String msg) {
52 print("<p>" + msg);
53 }
54
55 public void printInsertLineBreaks(byte[] bA) throws Exception {
56 BufferedReader br = new BufferedReader(new InputStreamReader(new ByteArrayInputStream(bA)));
57
58 while (true) {
59 String line = br.readLine();
60
61 if (line == null) {
62 break;
63 }
64
65 print(line.toString() + "<br>");
66 }
67 }
68
69 public void takeCareOfException(Throwable t) {
70 ByteArrayOutputStream baos = new ByteArrayOutputStream();
71 t.printStackTrace(new PrintStream(baos));
72 print("<h4>Exception:</h4>");
73
74 try {
75 printInsertLineBreaks(baos.toByteArray());
76 } catch (Exception e) {
77 e.printStackTrace(printer);
78 }
79
80 request.setAttribute("Exception", "true");
81 }
82
83 public void ieCertFix(byte[] bA) throws Exception {
84 ByteArrayOutputStream baos = new ByteArrayOutputStream();
85 PrintStream tmpPrinter = new PrintStream(baos);
86 RequestHelper.ieCertFormat(bA, tmpPrinter);
87 printInsertLineBreaks(baos.toByteArray());
88 }
89 }
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