package com.neuedu.sevrlet;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
import 
 
java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;

/**
 * Created by ttc on 16-11-29.
 */
@WebServlet(name = "httplServlet",urlPatterns = "/httpl")
public class httplServlet extends HttpServlet
{
    Set<String> set=new HashSet<String>();

    protected void 
 
doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
    {

    }
    private void fillmap(String add,String browsertype){
        String str=add+","+browsertype;
        set.add(str);

    }

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws 
 
ServletException, IOException
    {
        response.setContentType("text/html;charset=utf-8");
        PrintWriter pw=response.getWriter();
        String add=request.getRemoteAddr();
        String agent=request.getHeader("user-agert");

        String browsernow="";
        if(agent.contains("Firefox")){
            browsernow="Firefox";
            fillmap("Firefox",add);

        }
        else if(agent.contains("Chrome")){
            browsernow="Chrome";
            fillmap("Chrome",add);
        }
        else if(agent.contains("Trident")){
            browsernow="IE";
            fillmap("IE",add);
        }
        else{
            fillmap("other",add);
            browsernow = "other";

        }
        Map<String,Integer> map=new HashMap<String,Integer>();
        for(String s:set){
            String []a=s.split(",");
            if(!map.containsKey(a[1])){
                map.put(a[1],1);
            }
            else {
                Integer i=map.get(a[1]);
                i++;
                map.put(a[1],i);
            }

        }
        for(Map.Entry<String,Integer> e:map.entrySet()){
            pw.print(e.getKey()+":"+e.getValue());
            pw.print("您現在使用的是"+browsernow+"瀏覽器");
        }




    }
}