Re: Question: XML file communication between server and client

From:
"SadRed" <cardinal_ring@yahoo.co.jp>
Newsgroups:
comp.lang.java.programmer
Date:
7 Apr 2007 22:30:19 -0700
Message-ID:
<1176010219.912666.173480@d57g2000hsg.googlegroups.com>
On Apr 8, 2:09 pm, "Fengyuan" <thomaslee1...@gmail.com> wrote:

Hi, All

I have created a random array of data and transferred them to XML file
as my random noise file. Now, I would like to transfer the noise from
my client to the server through TCP socket connection. I referred to
the KnockKnock example in the tutorial on java.sun.com.

Here is the code of the my client, I don't know how to modify the part
I noted by //----------- so that I can transfer my noise.xml file.

public class Client {
        public static void main(String[] args) throws IOException {

        Socket serverSocket = null;
        PrintWriter out = null;
        BufferedReader in = null;
// Set up the connect to server
        try {
            serverSocket = new Socket("ServerName", 123);
            //server name and port number on the server
            //client's socket is bound to any available local port
            out = new PrintWriter(serverSocket.getOutputStream(),
true);
            in = new BufferedReader(new
InputStreamReader(serverSocket.getInputStream()));
        } catch (UnknownHostException e) {
            System.err.println("Don't know about host: ServerName.");
            System.exit(1);
        } catch (IOException e) {
            System.err.println("Couldn't get I/O for the connection
to: ServerName.");
            System.exit(1);
        }

        //Communication between client and server
        //??????????????????????????????????????
        //How to implement my experiment: Write the rand number in XML
file I generated to server?

        //----------------------------------------------------------------------------
        BufferedReader stdIn = new BufferedReader(new
InputStreamReader(System.in));
        String fromServer;
        String fromUser;

        while ((fromServer = in.readLine()) != null) {
            System.out.println("Server: " + fromServer);
            if (fromServer.equals("Bye."))
                break;

            fromUser = stdIn.readLine();
            if (fromUser != null) {
                System.out.println("Client: " + fromUser);
                out.println(fromUser);
        //-----------------------------------------------------------------------------
            }
        }

        //Clean all the ports
        out.close();
        in.close();
        stdIn.close();
        serverSocket.close();
    }

}

I help someone can give me some idea and help me out. Thank you.

Fengyuan (Thomas)


If the only expected functionality of your client is
sending an XML file to the server. The 'in' and 'stdIn'
in your current code are useless, aren't they?
(1)Read each line from your XML file
(2)Send the line to the server in a while loop.

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