Java Servlet - @MultipartConfig Examples

import javax.servlet.ServletException;
import javax.servlet.annotation.MultipartConfig;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.Part;
import java.io.IOException;
import java.io.PrintWriter;

@WebServlet(urlPatterns = {"/upload/*"})
@MultipartConfig(location = "d:\\tmp"
        , fileSizeThreshold = 1024 * 1024
        , maxFileSize = 1024 * 1024 * 5
        , maxRequestSize = 1024 * 1024 * 5 * 5)
public class FileUploadController extends HttpServlet {

    @Override
    protected void doPost(HttpServletRequest req,
                          HttpServletResponse resp) throws ServletException, IOException {
        for (Part part : req.getParts()) {
            part.write(part.getName());
            printPartHeader(part, resp.getWriter());
        }
    }

    private void printPartHeader(Part part, PrintWriter writer) {
        for (String headerName : part.getHeaderNames()) {
            writer.println(headerName + " " + part.getHeader(headerName));
        }
    }
}