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20 import java.io.*;
21 import java.text.*;
22 import java.util.*;
23 import javax.servlet.*;
24 import javax.servlet.http.*;
25
26 import util.HTMLFilter;
27
28 /**
29 * Example servlet showing request headers
30 *
31 * @author James Duncan Davidson <duncan@eng.sun.com>
32 */
33
34 public class CookieExample extends HttpServlet {
35
36 ResourceBundle rb = ResourceBundle.getBundle("LocalStrings");
37
38 public void doGet(HttpServletRequest request,
39 HttpServletResponse response)
40 throws IOException, ServletException
41 {
42 response.setContentType("text/html");
43
44 PrintWriter out = response.getWriter();
45 out.println("<html>");
46 out.println("<body bgcolor=\"white\">");
47 out.println("<head>");
48
49 String title = rb.getString("cookies.title");
50 out.println("<title>" + title + "</title>");
51 out.println("</head>");
52 out.println("<body>");
53
54
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57
58
59
60 out.println("<a href=\"../cookies.html\">");
61 out.println("<img src=\"../images/code.gif\" height=24 " +
62 "width=24 align=right border=0 alt=\"view code\"></a>");
63 out.println("<a href=\"../index.html\">");
64 out.println("<img src=\"../images/return.gif\" height=24 " +
65 "width=24 align=right border=0 alt=\"return\"></a>");
66
67 out.println("<h3>" + title + "</h3>");
68
69 Cookie[] cookies = request.getCookies();
70 if ((cookies != null) && (cookies.length > 0)) {
71 out.println(rb.getString("cookies.cookies") + "<br>");
72 for (int i = 0; i < cookies.length; i++) {
73 Cookie cookie = cookies[i];
74 out.print("Cookie Name: " + HTMLFilter.filter(cookie.getName())
75 + "<br>");
76 out.println(" Cookie Value: "
77 + HTMLFilter.filter(cookie.getValue())
78 + "<br><br>");
79 }
80 } else {
81 out.println(rb.getString("cookies.no-cookies"));
82 }
83
84 String cookieName = request.getParameter("cookiename");
85 String cookieValue = request.getParameter("cookievalue");
86 if (cookieName != null && cookieValue != null) {
87 Cookie cookie = new Cookie(cookieName, cookieValue);
88 response.addCookie(cookie);
89 out.println("<P>");
90 out.println(rb.getString("cookies.set") + "<br>");
91 out.print(rb.getString("cookies.name") + " "
92 + HTMLFilter.filter(cookieName) + "<br>");
93 out.print(rb.getString("cookies.value") + " "
94 + HTMLFilter.filter(cookieValue));
95 }
96
97 out.println("<P>");
98 out.println(rb.getString("cookies.make-cookie") + "<br>");
99 out.print("<form action=\"");
100 out.println("CookieExample\" method=POST>");
101 out.print(rb.getString("cookies.name") + " ");
102 out.println("<input type=text length=20 name=cookiename><br>");
103 out.print(rb.getString("cookies.value") + " ");
104 out.println("<input type=text length=20 name=cookievalue><br>");
105 out.println("<input type=submit></form>");
106
107
108 out.println("</body>");
109 out.println("</html>");
110 }
111
112 public void doPost(HttpServletRequest request,
113 HttpServletResponse response)
114 throws IOException, ServletException
115 {
116 doGet(request, response);
117 }
118
119 }
120
121