import java.util.*;
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class GuestBook extends HttpServlet {
ArrayList messages;
public void init() throws ServletException { messages = new ArrayList(); }
public void doPost( HttpServletRequest request, HttpServletResponse response )
throws ServletException, IOException
{
doGet( request, response );
}
public void doGet( HttpServletRequest request, HttpServletResponse response )
throws ServletException, IOException
{
response.setContentType( "text/html" );
PrintWriter out = response.getWriter();
out.print( "" );
out.println( "Guest Book" );
out.println( "" );
String msg = request.getParameter("t");
if( msg != null ) messages.add( msg );
for( int i=0 ; i < messages.size() ; ++i )
out.println( messages.get(i) + "
" );
out.println( "");
out.println( "" );
out.println( "" );
}
} // end of class GuestBook