Java Advancing with Sockets - Printable Version

PHP Code


<?php 
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.net.ServerSocket;
import java.net.Socket;

public class Server {
    public static final int PORT = 3191;

    public static void main(String[] args) throws Exception {
        new Server();
    } // end of main.

    public Server() throws Exception{
        ServerSocket serverSocket = new ServerSocket(PORT);
        System.out.println("Server initialized.");
        System.out.println("Port: " + PORT + ".");

        // Wait for client to forge a connection - keeps the program running until a connetion is established:
        Socket socket = serverSocket.accept();

        //Initialize objects of input&output for easy use.
        ObjectOutputStream  outputObject = new ObjectOutputStream(socket.getOutputStream());
        ObjectInputStream inputObject = new ObjectInputStream((socket.getInputStream()));


        //Server receives a packet, read it and store it in a variable for easy use, then print and Deal with it.
        Packet receivedPacket = (Packet)inputObject.readObject();
        System.out.println("Message incoming from Client: ");
        System.out.println(receivedPacket.msg);


        if(receivedPacket.msg.equals("Hey.")){   // if packet received equal something we want, then 1. create a response packet and 2. send
            Packet answer = new Packet("Hey! *response from the server*");
            outputObject.writeObject(answer);
        }
        // Must close Socket once finished.
        serverSocket.close();
    } // end of constructor.
}