Creating Client/Server Applications : JSP Socket « JSP « Java Tutorial

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Java Tutorial » JSP » JSP Socket

23. 46. 1. Creating Client/Server Applications

Jsp page


<%@ page import="java.io.*, java.net.*" %>

<HTML>

    <HEAD>

        <TITLE>Creating Client/Server Applications</TITLE>

    </HEAD>



    <BODY>

        <H1>Creating Client/Server Applications</H1>

        <% 

        try{

            int character;

            Socket socket = new Socket("127.0.0.1", 8765);



            InputStream inSocket = socket.getInputStream();

            OutputStream outSocket = socket.getOutputStream();



            String str = "Hello!\n";

            byte buffer[] = str.getBytes();

            outSocket.write(buffer);



            while ((character = inSocket.read()) != -1) {

                out.print((char) character);

            }



            socket.close();

        }

        catch(java.net.ConnectException e){

        %>

            You must first start the server application 

            (YourServer.java) at the command prompt.

        <%

        }

        %>

    </BODY>

</HTML>

YourServer.java


import java.io.*;

import java.net.*;



public class YourServer

{    

    public static void main(String[] args ) 

    {

        try {    

            ServerSocket socket = new ServerSocket(8765);



            Socket insocket = socket.accept( );



            BufferedReader in = new BufferedReader (new 

                InputStreamReader(insocket.getInputStream()));

            PrintWriter out = new PrintWriter (insocket.getOutputStream(), 

                true);



            String instring = in.readLine();

            out.println("The server got this: " + instring);

            insocket.close();

        }

        catch (Exception e) {} 

     } 

}

23. 46. JSP Socket
	23. 46. 1.	Creating Client/Server Applications
	23. 46. 2.	Use Socket to load a web page

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