import java.io.*;
import java.util.Enumeration; // Enumeration用に必要
import javax.servlet.*;
import javax.servlet.http.*;
public class GuestBook extends HttpServlet {
@Override
public void doPost(HttpServletRequest req, HttpServletResponse res)
throws IOException {
res.setContentType("text/html; charset=Windows-31J");
req.setCharacterEncoding("Windows-31J");
PrintWriter out = res.getWriter();
out.println("");
try {
File f = new File(getServletContext().getRealPath("Guests.html"));
BufferedReader fin = new BufferedReader
(new InputStreamReader(new FileInputStream(f), "Windows-31J"));
File tmp = new File(getServletContext().getRealPath("tmp.html"));
PrintWriter fout = new PrintWriter
(new OutputStreamWriter(new FileOutputStream(tmp), "Windows-31J"));
while (true) {
String line = fin.readLine();
if (line.trim().equals("")) break;
fout.println(line);
}
fout.println("");
Enumeration keys = req.getParameterNames();
while (keys.hasMoreElements()) {
fout.print("");
String left = (String)keys.nextElement();
String right = req.getParameter(left);
fout.print("| "+left+" | ");
fout.print(""+right+" | ");
fout.print("
");
}
fout.println("
");
fout.println("
");
fout.println("");
while (true) {
String line = fin.readLine();
if (line==null) break;
fout.println(line);
}
fin.close();
fout.close();
f.delete();
tmp.renameTo(f);
out.println("御記帳有難うございました。
");
out.print("ゲストブックはこちらです。");
} catch (Exception e) {
e.printStackTrace(out);
}
out.println("");
out.close();
}
}