/*
 * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
 * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Main.java to edit this template
 */
package Mau_TCP_Tuan_Tu;

import java.net.*;
import java.io.*;
/**
 *
 * @author PTVLNE
 */
public class Server {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) {
        // TODO code application logic here
        try {
            ServerSocket ss = new ServerSocket(7);
            System.out.println("Da tao server");
            
            while (true) {
                try {
                    Socket s = ss.accept();
                    System.out.println("Co 1 client ket noi");

                    //tao luong doc/gui
                    InputStream is = s.getInputStream();
                    OutputStream os = s.getOutputStream();

                    DataInputStream dis = new DataInputStream(is);
                    DataOutputStream dos = new DataOutputStream(os);
                    
                    while (true) {                        
                        String str = dis.readUTF();
                        
                        char ch = str.charAt(0);
                        String luutru = "";
                        
                        if(Character.isDigit(ch)){
                            int n = Character.getNumericValue(ch);
                            switch (n) {
                                case 0:
                                   luutru = "khong";
                                   break;
                                case 1:
                                    luutru = "mot";
                                    break;
                                case 2:
                                   luutru = "hai";
                                   break;
                                case 3:
                                    luutru = "ba";
                                    break;
                                case 4:
                                    luutru = "bon";
                                    break;
                                case 5:
                                    luutru = "nam";
                                    break;
                                case 6:
                                    luutru = "sau";
                                    break;
                                case 7:
                                   luutru = "bay";
                                   break;
                                case 8:
                                    luutru = "tam";
                                    break;
                                case 9:
                                    luutru = "chin";
                                    break;
                                default:
                                    luutru = "khong phai so nguyen";
                                    break;
                            }
                        }else{
                            luutru ="khong phai so nguyen";
                        }
                        
                        dos.writeUTF(luutru);
                        if(str.equals("@")){
                            break;
                        }
                    }
                    s.close();
                    System.out.println("Dong ket noi");
                } catch (IOException e){
                    System.out.println("Loi ket noi" + e);
                }
            }
        }catch (IOException ex){
            System.out.println("Khong the tao server");
        }
    }                
}