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21 import java.io.IOException;
22 import java.io.PrintWriter;
23 import java.util.ResourceBundle;
24
25 import javax.servlet.ServletException;
26 import javax.servlet.http.HttpServlet;
27 import javax.servlet.http.HttpServletRequest;
28 import javax.servlet.http.HttpServletResponse;
29
30 import util.HTMLFilter;
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38 public class RequestParamExample extends HttpServlet {
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41 ResourceBundle rb = ResourceBundle.getBundle("LocalStrings");
42
43 public void doGet(HttpServletRequest request,
44 HttpServletResponse response)
45 throws IOException, ServletException {
46 response.setContentType("text/html");
47
48 PrintWriter out = response.getWriter();
49 out.println("<html>");
50 out.println("<body>");
51 out.println("<head>");
52
53 String title = rb.getString("requestparams.title");
54 out.println("<title>" + title + "</title>");
55 out.println("</head>");
56 out.println("<body bgcolor=\"white\">");
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66 out.println("<a href=\"../reqparams.html\">");
67 out.println("<img src=\"../images/code.gif\" height=24 " +
68 "width=24 align=right border=0 alt=\"view code\"></a>");
69 out.println("<a href=\"../index.html\">");
70 out.println("<img src=\"../images/return.gif\" height=24 " +
71 "width=24 align=right border=0 alt=\"return\"></a>");
72
73 out.println("<h3>" + title + "</h3>");
74 String firstName = request.getParameter("firstname");
75 String lastName = request.getParameter("lastname");
76 out.println(rb.getString("requestparams.params-in-req") + "<br>");
77 if (firstName != null || lastName != null) {
78 out.println(rb.getString("requestparams.firstname"));
79 out.println(" = " + HTMLFilter.filter(firstName) + "<br>");
80 out.println(rb.getString("requestparams.lastname"));
81 out.println(" = " + HTMLFilter.filter(lastName));
82 } else {
83 out.println(rb.getString("requestparams.no-params"));
84 }
85 out.println("<P>");
86 out.print("<form action=\"");
87 out.print("RequestParamExample\" ");
88 out.println("method=POST>");
89 out.println(rb.getString("requestparams.firstname"));
90 out.println("<input type=text size=20 name=firstname>");
91 out.println("<br>");
92 out.println(rb.getString("requestparams.lastname"));
93 out.println("<input type=text size=20 name=lastname>");
94 out.println("<br>");
95 out.println("<input type=submit>");
96 out.println("</form>");
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98 out.println("</body>");
99 out.println("</html>");
100 }
101
102 public void doPost(HttpServletRequest request,
103 HttpServletResponse response)
104 throws IOException, ServletException {
105 doGet(request, response);
106 }
107
108 }