/*
 * Author: Tim Van Wassenhove <timvw@users.sourceforge.net>
 * Update: 13-12-2003 17:43
 *
 * This class represents a server that accepts incoming connections,
 * and then writes the content of a file to the client.
 */

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

public class Banner implements Runnable {

	// Some variables
	private int port;
	private String file;
	private ServerSocket serv;	
	
	// Main entry point for the program
	public static void main(String[] args) {
		if (args.length != 2) {
			System.out.println("Usage: java Banner portnumber file");
		} else {
			new Banner(Integer.parseInt(args[0]),args[1]);
		}
	}

	// Constructor
	public Banner(int port,String file) {
		this.port = port;
		this.file = file;
		try {
			// Start listening on the ServerSocket
			serv = new ServerSocket(port);
			new Thread(this).start();
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	// Main loop
	public void run() {
		while (true) {
			try {
				// Accept incoming connections
				Socket client = serv.accept();
				InputStream in = client.getInputStream();
				OutputStream out = client.getOutputStream();
				BufferedReader bufferedReader = new BufferedReader(new FileReader(file));
				// Write the contents of the file to the client
				String line = bufferedReader.readLine();
				while (line != null){
					out.write(line.getBytes());
					out.write("\n".getBytes());
					line = bufferedReader.readLine();
				}
				// Close the connection
				client.close();
			} catch (Exception e) {
				e.printStackTrace();
			}
		}
	}
	
}