RequestHeaderView.java Source code

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Here is the source code for RequestHeaderView.java

Source

import java.util.Enumeration;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class RequestHeaderView extends HttpServlet {

    public void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, java.io.IOException {

        //get an Enumeration of all the request header names
        Enumeration e = request.getHeaderNames();

        //display
        response.setContentType("text/html");
        java.io.PrintWriter out = response.getWriter();
        out.println("<html><head><title>Request Header View</title></head><body>");
        out.println("<h2>Request Headers</h2>");
        String header = null;

        while (e.hasMoreElements()) {
            header = (String) e.nextElement();
            //getHeader returns null if a request header of that name does not
            // exist in the request
            out.println("<strong>" + header + "</strong>" + ": " + request.getHeader(header) + "<br>");
        }

        out.println("</body></html>");

    } //end doGet

    public void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, java.io.IOException {
        doGet(request, response);
    }

}