//Copyright (c) 1999, 2002 Art Gittleman
//This example is provided WITHOUT ANY WARRANTY either expressed or //implied.

/* Revises HeaderServer.java to read from the client before sending the response.
 * Logically this makes more sense even if it takes a bit more work.
 */

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

public class HeaderServer {
  public static void main(String [] args) {
    String s;
    Vector v = new Vector();  
    try {
        ServerSocket server = 
           new ServerSocket(Integer.parseInt(args[0]));
        Socket client = server.accept();
        BufferedReader fromClient = new BufferedReader
           (new InputStreamReader(client.getInputStream()));
        PrintWriter toClient = new PrintWriter
           (client.getOutputStream(), true);
        while (!(s=fromClient.readLine()).equals(""))
           v.addElement(s);
        toClient.println("HTTP/1.0 200 OK");
        toClient.println("Content-type: text/plain");
        toClient.println();
        Enumeration e = v.elements();
        while(e.hasMoreElements())
           toClient.println((String)e.nextElement());
        fromClient.close();
        toClient.close();
        client.close();
    }catch(Exception e) {
         e.printStackTrace();
    }
  }
}