/* Author: Julie Romm
 * Course: COM3336
 * Professor: Karl Lieberherr
 * Homework 3, part 2
 */
 
/* File: EMail.java
 * Classes implemented: EMail
 *
 * Purpose:
 *   This class is used for sending email to a specified recipient
 *   (Resources used: http://ada.tactika.com/realhome/realhome.html)
 */ 
 
import java.io.*;
import java.net.*;

public class EMail {

//constructor
public EMail(){}

public void sendMail(String mailServer, String sender, String recipient, String subject, BufferedReader br) {
   try {   
      Socket s = new Socket(mailServer, 25);
      BufferedReader in = new BufferedReader
          (new InputStreamReader(s.getInputStream(), "8859_1"));
      BufferedWriter out = new BufferedWriter
          (new OutputStreamWriter(s.getOutputStream(), "8859_1"));

      send(in, out, "HELO theWorld");
      send(in, out, "MAIL FROM: <" + sender + ">");
      send(in, out, "RCPT TO: " + recipient);
      send(in, out, "DATA");
      send(out, "Subject: " + subject);
      send(out, "From: WebWatch");
      send (out, "\n");      
      // message body
      String line = br.readLine();
      while( line!= null) {
	    send(out, line);
	    send(out, "\n");
	    line = br.readLine();
      }
      send(out, "\n.\n");
      send(in, out, "QUIT");
      s.close();
      }
   catch (Exception e) {
      e.printStackTrace();
      }
   }
   
 private void send(BufferedReader in, BufferedWriter out, String s) {
   try {
      out.write(s + "\n");
      out.flush();
      // System.out.println(s);
      s = in.readLine();
      // System.out.println(s);
      }
   catch (Exception e) {
      e.printStackTrace();
      }
   }

 private void send(BufferedWriter out, String s) {
   try {
      out.write(s + "\n");
      out.flush();
      // System.out.println(s);
      }
   catch (Exception e) {
      e.printStackTrace();
      }
   }
}