import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class GuestBook extends HttpServlet {
@Override
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws IOException {
response.setContentType("text/html; charset=Windows-31J");
request.setCharacterEncoding("Windows-31J");
PrintWriter out = response.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"));
String line;
while (true) {
line = fin.readLine();
if (line==null) {
out.println("内部エラー: Guests.htmlが壊れています。
");
line="";
break;
}
if (line.contains("")) break;
fout.println(line);
}
fout.println("");
fout.printf("| 名前 | %s |
%n",
request.getParameter("名前"));
fout.printf("| メールアドレス | %s |
%n",
request.getParameter("メールアドレス"));
fout.printf("| ホームページ | %s |
%n",
request.getParameter("ホームページ"));
fout.printf("| ひとこと | %s |
%n",
request.getParameter("ひとこと"));
fout.println("
");
fout.println("
");
fout.println(line);
while (true) {
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.println("ゲストブックはこちらです。");
} catch (Exception e) {
e.printStackTrace(out);
}
out.println("