package HttpServerClient;

import java.io.BufferedReader;

import java.io.IOException;

import java.util.Enumeration;

import java.util.HashMap;

import javax.servlet.ServletException;

import javax.servlet.http.*;

import com.google.gson.Gson;

public class MyServlet extends HttpServlet{

private static final long serialVersionUID =1L;

private Gson gson;

private String name;

private MyHttpClient myClient;

@Override

public void init() {

this.gson = new Gson();

this.name = (String) getServletContext().getAttribute("server.name");

this.myClient = new MyHttpClient();

}

protected void doGet(HttpServletRequest req, HttpServletResponse res )throws ServletException,IOException{

String url = req.getScheme()+"://"+req.getRemoteAddr()+":"+req.getLocalPort()+req.getRequestURI();

System.out.println(url);

HashMap<Object, Object> headers = new HashMap<Object, Object>();

Enumeration<String> headerNames =req.getHeaderNames();

while(headerNames.hasMoreElements()) {

String key = headerNames.nextElement();

headers.put(key, req.getHeader(key));

}

//redirect

// String redirectUrl="";

// myClient.sendRequest(redirectUrl, "GET", headers, null);

res.setStatus(200);

res.getWriter().write("Server: "+ this.name);

}

protected void doPost(HttpServletRequest req, HttpServletResponse res )throws ServletException,IOException{

res.setStatus(200);

String url = req.getScheme()+"://"+req.getRemoteAddr()+":"+req.getLocalPort()+req.getRequestURI();

System.out.println(url);

HashMap<Object, Object> headers = new HashMap<Object, Object>();

Enumeration<String> headerNames =req.getHeaderNames();

while(headerNames.hasMoreElements()) {

String key = headerNames.nextElement();

headers.put(key, req.getHeader(key));

}

//redirect

// String body ="";

// String redirectUrl="";

// myClient.sendRequest(redirectUrl, "POST", headers, body);

StringBuilder buffer = new StringBuilder();

BufferedReader reader = req.getReader();

String line;

while ((line = reader.readLine()) != null) {

buffer.append(line);

buffer.append(System.lineSeparator());

}

String body = buffer.toString();

res.getWriter().write("Server:"+body);

}

}