import java.net.HttpURLConnection;
import java.net.URL;
import java.util.Iterator;
import java.util.Scanner;

import org.json.simple.JSONArray;
import org.json.simple.JSONObject;
import org.json.simple.parser.JSONParser;


public class App {
    public static void main(String[] args) throws Exception {
        System.out.println("JSON olvasás");

        URL url = new URL("http://localhost:8000/api/employees");
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("GET");
        conn.connect();

        int responsecode = conn.getResponseCode();

        if(responsecode != 200) {
            throw new RuntimeException("HttpResponseCode: " + responsecode);
        }else {
            Scanner sc = new Scanner(url.openStream(), "UTF-8");
            String inline = "";
            while(sc.hasNext()) {
                inline += sc.nextLine();
                
            }

            JSONParser parse = new JSONParser();
            Object obj = parse.parse(inline);
            JSONArray ja = (JSONArray) obj;

            Iterator itr = ja.iterator();
            while(itr.hasNext()) {
                JSONObject obj2 = (JSONObject) itr.next();
                System.out.println( obj2.get("name") );
            }
        }

    }
}