Thursday, 14 August 2014

getScheme() : Get the scheme used in the request

public String getScheme()
Returns a String containing the name of the scheme(like ftp, http, https etc.,) used to make this request.

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

@WebServlet(urlPatterns = {"/GetScheme"})
public class GetScheme extends HttpServlet {
    @Override
    public void doGet(HttpServletRequest req, HttpServletResponse res)throws ServletException,IOException{
        try(PrintWriter out = res.getWriter()){
            String scheme = req.getScheme();
            out.println("<html><head><title>Scheme Used</title><body><h1>");
            out.println("Scheme used is : " + scheme);
            out.println("</h1></body></html>");
        }
    }
}

Output



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