summaryrefslogtreecommitdiffstats
path: root/src/de/fhswf/in/inf/fit/aufgabe2/HttpRequestPrinter.java
blob: 2692688aa5dcf9c9f88dce8244f72a069acc0b1a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
package de.fhswf.in.inf.fit.aufgabe2;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.Collections;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Servlet implementation class HttpRequestPrinter
 */
@WebServlet("/HttpRequestPrinter")
public class HttpRequestPrinter extends HttpServlet
{
   private static final long serialVersionUID = 1L;

   /**
    * @see HttpServlet#HttpServlet()
    */
   public HttpRequestPrinter()
   {
      super();
   }

   /**
    * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse
    *      response)
    */
   protected void doGet(HttpServletRequest request,
         HttpServletResponse response) throws ServletException, IOException
   {
      response.setContentType("text/html");
      PrintWriter pw = response.getWriter();

      pw.println("<!DOCTYPE html>");
      pw.println("<html>");
      pw.println("<head>");
      pw.println("<meta charset=\"UTF-8\">");
      pw.println("<title>Parameters und Headers</title>");
      pw.println("</head>");
      pw.println("<body>");

      pw.println("<h1>Header:</h1>");
      pw.println("<table border=\"1\">");
      for (String header : Collections.list(request.getHeaderNames()))
      {
         pw.print("<tr>");
         pw.print("<td>" + header + "</td>");
         pw.print("<td>");
         for (String headerValue : Collections
               .list(request.getHeaders(header)))
         {
            pw.print(headerValue + "<br>");
         }
         pw.print("</td>");
         pw.println("</tr>");
      }
      pw.println("</table>");

      pw.println("<h1>Parameter:</h1>");
      pw.println("<table border=\"1\">");
      for (String parameter : Collections.list(request.getParameterNames()))
      {
         pw.print("<tr>");
         pw.print("<td>" + parameter + "</td>");
         pw.print("<td>");
         for (String parameterValue : request.getParameterValues(parameter))
         {
            pw.print(parameterValue + "<br>");
         }
         pw.print("</td>");
         pw.println("</tr>");
      }
      pw.println("</table>");

      pw.println("</body>");
      pw.println("</html>");
   }

   /**
    * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse
    *      response)
    */
   protected void doPost(HttpServletRequest request,
         HttpServletResponse response) throws ServletException, IOException
   {
      doGet(request, response);
   }

}