Buffering.java Source code

Introduction

Here is the source code for Buffering.java

Source

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");
        }
    }
}