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Java > Open Source Codes > RequestParamExample


1 /* $Id: RequestParamExample.java,v 1.2 2002/04/23 15:17:25 remm Exp $
2  *
3  */
4
5 import java.io.*;
6 import java.text.*;
7 import java.util.*;
8 import javax.servlet.*;
9 import javax.servlet.http.*;
10
11 import util.HTMLFilter;
12
13 /**
14  * Example servlet showing request headers
15  *
16  * @author James Duncan Davidson <duncan@eng.sun.com>
17  */
18
19 public class RequestParamExample extends HttpServlet {
20
21
22     ResourceBundle rb = ResourceBundle.getBundle("LocalStrings");
23     
24     public void doGet(HttpServletRequest request,
25                       HttpServletResponse response)
26         throws IOException, ServletException
27     {
28         response.setContentType("text/html");
29
30         PrintWriter out = response.getWriter();
31         out.println("<html>");
32         out.println("<body>");
33         out.println("<head>");
34
35         String JavaDoc title = rb.getString("requestparams.title");
36         out.println("<title>" + title + "</title>");
37         out.println("</head>");
38         out.println("<body bgcolor=\"white\">");
39
40         // img stuff not req'd for source code html showing
41
42     // all links relative
43
44         // XXX
45 // making these absolute till we work out the
46 // addition of a PathInfo issue
47
48         out.println("<a HREF=\"/examples/servlets/reqparams.html\">");
49         out.println("<img SRC=\"/examples/images/code.gif\" height=24 " +
50                     "width=24 align=right border=0 alt=\"view code\"></a>");
51         out.println("<a HREF=\"/examples/servlets/index.html\">");
52         out.println("<img SRC=\"/examples/images/return.gif\" height=24 " +
53                     "width=24 align=right border=0 alt=\"return\"></a>");
54
55         out.println("<h3>" + title + "</h3>");
56         String JavaDoc firstName = request.getParameter("firstname");
57         String JavaDoc lastName = request.getParameter("lastname");
58         out.println(rb.getString("requestparams.params-in-req") + "<br>");
59         if (firstName != null || lastName != null) {
60             out.println(rb.getString("requestparams.firstname"));
61             out.println(" = " + HTMLFilter.filter(firstName) + "<br>");
62             out.println(rb.getString("requestparams.lastname"));
63             out.println(" = " + HTMLFilter.filter(lastName));
64         } else {
65             out.println(rb.getString("requestparams.no-params"));
66         }
67         out.println("<P>");
68         out.print("<form action=\"");
69         out.print("RequestParamExample\" ");
70         out.println("method=POST>");
71         out.println(rb.getString("requestparams.firstname"));
72         out.println("<input type=text size=20 name=firstname>");
73         out.println("<br>");
74         out.println(rb.getString("requestparams.lastname"));
75         out.println("<input type=text size=20 name=lastname>");
76         out.println("<br>");
77         out.println("<input type=submit>");
78         out.println("</form>");
79
80         out.println("</body>");
81         out.println("</html>");
82     }
83
84     public void doPost(HttpServletRequest request,
85                       HttpServletResponse response)
86         throws IOException, ServletException
87     {
88         doGet(request, response);
89     }
90
91 }
92
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