45. FTP PROTOCOL IN JAVA

Server Program:

import java.io.*;
import java.net.*;

public class Server
{
public static void main(String asd[]) throws Exception
{
ServerSocket ss=new ServerSocket(1024);
System.out.println(“ServerSocket Generated”);
Socket s=ss.accept();

System.out.println(“ServerSocket Accepted”);
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
PrintStream p=new PrintStream(s.getOutputStream());
String fname,str;
System.out.println(“Enter a File Name”);
fname=br.readLine();
File f1=new File(fname);
if(f1.exists())
{
BufferedReader br1=new BufferedReader(new FileReader(fname));
while((str=br1.readLine())!=null)
p.println(str);
}
p.close();
}
}

Client Program

import java.io.*;
import java.net.*;

public class Client
{
public static void main(String asd[]) throws Exception
{
InetAddress ia=InetAddress.getLocalHost();
Socket s=new Socket(ia,1024);
String fname,str;
System.out.println(“Enter a new File Name”);
BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
fname=br.readLine();
File f1=new File(fname);
PrintWriter p=new PrintWriter(new FileWriter(fname));
BufferedReader br1=new BufferedReader(new InputStreamReader(s.getInputStream()));
while((str=br1.readLine())!=null)
p.println(str);
p.close();
s.close();
}
}