import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class Buffering extends HttpServlet {
public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException,
IOException {
res.setBufferSize(8 * 1024); // 8K
res.setContentType("text/html");
PrintWriter out = res.getWriter();
int size = res.getBufferSize(); // returns 8096 or greater
log("The default buffer size is " + size);
out.println("The client won't see this");
res.reset();
out.println("Nor will the client see this!");
res.reset();
out.println("And this won't be seen if sendError() is called");
if (req.getParameter("param") == null) {
res.sendError(res.SC_BAD_REQUEST, "param needed");
}
}
}
|