sending file over network

[qwerty]

Hello every one
This is my first participation ,Im new in java , I have question , How I can send a file over network in a client- server paradigm , server send and client receive . the following is trying code

//The client code Client.java:


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

public class Client {

ObjectInputStream Sinput;
ObjectOutputStream Soutput;
Socket socket;


Client(int port) {


try {
socket = new Socket("localhost", port);
FileInputStream test=new FileInputStream("file name");

Soutput.writeObject(test);
Soutput.flush();
}
catch(Exception e) {
System.out.println("Error connectiong to server:" + e);
return;
}




try{
Sinput.close();
Soutput.close();
}
catch(Exception e) {}
}

public static void main(String[] arg) {
new Client(1500);
}
}


//The server code Server.java:

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

/
public class Server {


private ServerSocket serverSocket;

Server(int port) {


try
{
serverSocket = new ServerSocket(port);
System.out.println("Server waiting for client on port " + serverSocket.getLocalPort());

while(true)
{
Socket socket = serverSocket.accept();
System.out.println("New client asked for a connection");
TcpThread t = new TcpThread(socket);
System.out.println("Starting a thread for a new Client");
t.start();
}
}
catch (IOException e) {
System.out.println("Exception on new ServerSocket: " + e);
}
}


public static void main(String[] arg) {

new Server(1500);
}


class TcpThread extends Thread implements Serializable {

Socket socket;
ObjectInputStream Sinput;
ObjectOutputStream Soutput;

TcpThread(Socket socket) {
this.socket = socket;
}
public void run() {

System.out.println("Thread trying to create Object Input/Output Streams");
try
{

Soutput = new ObjectOutputStream(socket.getOutputStream());
Soutput.flush();

}
catch (IOException e) {
System.out.println("Exception creating new Input/output Streams: " + e);
return;
}
System.out.println("Thread waiting for a String from the Client");

try {
byte[] msgArray=null;

File file = (File)Sinput.readObject();
FileInputStream fisSrc=new FileInputStream(file);
FileOutputStream fosDes=new FileOutputStream("ClientRceivedTempFile");
int n;
while ((n = fisSrc.available()) > 0) {
byte[] b = new byte[n];
int result = fisSrc.read(b);
if (result == -1) break;
fosDes.write( b );}
fisSrc.close();
fosDes.close();


}
catch (IOException e) {
System.out.println("Exception reading/writing Streams: " + e);
return;
}

catch (ClassNotFoundException o) {
}
finally {
try {
Soutput.close();
Sinput.close();
}
catch (Exception e) {
}
}
}
}
}

Im lost:o help me please :(Im appreciate your help :D

[Norm]

I'd suggest that you do a search for sample code on the various forums to see how its down.

You code and your comments don't agree.
The client won't receive by using a writeObject() method.
The server appears to be reading instead of sending

Your code would be easier to read if you put in the CODE tags. Put CODE inside of [ ] and end with [/ ]

[fishtoprecords]

Start with what @norm said.

In general, over a network you send bytes, not objects.

And your OP says you want to send a file. In nearly all cases, a file is a stream of bytes. So sending a file is well suited to the usual pattern of sending bytes.

Do some more work, and ask again

[parimal]

Client should write on the server socket,but u didn't do that..
That is why server read nothing

[HafHothLact]

Hi Guys,

Long time lurker thought i would eventually join up :) sorry if this is the wrong section mods!

Jen

[rexicon]

Worked for me

[OrangeDog]

Stop raising zombies with your spam