import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
import java.net.*;
import java.io.*;

public class SendMail extends JFrame {

   private JTextField domain = new JTextField("dsv.su.se");
   private JTextField host = new JTextField("mail.dsv.su.se");
   private JTextField port = new JTextField("25");
   private JTextField from = new JTextField();
   private JTextField subject = new JTextField("t e s t");
   private JTextField to = new JTextField();
   private JTextArea messageArea = new JTextArea("Ditt meddelande här!");
   private JTextArea systemArea = new JTextArea();

   public static void main(String[] args) {
      new SendMail();
   }

   public SendMail() {
      JLabel domainL = new JLabel("Domain:");
      domain.setColumns(12);
      JLabel hostL = new JLabel("Host:");
      host.setColumns(12);
      JLabel portL = new JLabel("Port:");
      port.setColumns(12);

      JLabel fromL = new JLabel("From:");
      from.setColumns(12);
      JLabel subjectL = new JLabel("Subject:");
      subject.setColumns(12);
      JLabel toL = new JLabel("To:");
      to.setColumns(12);

      JPanel panel = new JPanel();
      panel.setLayout(new GridLayout(7, 2));
      panel.add(domainL);
      panel.add(domain);
      panel.add(hostL);
      panel.add(host);
      panel.add(portL);
      panel.add(port);
      panel.add(fromL);
      panel.add(from);
      panel.add(subjectL);
      panel.add(subject);
      panel.add(toL);
      panel.add(to);

      JButton button = new JButton("Send");
      button.addActionListener(new L());

      JPanel panelArea = new JPanel();
      panelArea.setLayout(new GridLayout(2, 1));
      panelArea.add(new JScrollPane(messageArea));
      panelArea.add(new JScrollPane(systemArea));

      getContentPane().add("North", panel);
      getContentPane().add("South", button);
      getContentPane().add("Center", panelArea);

      setSize(640, 400);
      show();
   }

   private void send(String message) {
      try {
         Socket socket = new Socket(host.getText(), new Integer(port.getText()).intValue());
         setTitle("CONNECTED TO: " + host.getText() + " - ON PORT: " + port.getText());

         BufferedReader in = new BufferedReader(new InputStreamReader(socket.getInputStream()));
         PrintWriter out = new PrintWriter(socket.getOutputStream(), true); 
         systemArea.append(in.readLine() + "\n");

         out.println("HELO " + domain.getText());
         systemArea.append("HELO " + domain.getText() + "\n");
         systemArea.append(in.readLine() + "\n");
         out.println("MAIL FROM: " + from.getText()); 
         systemArea.append("MAIL FROM: " + from.getText() + "\n"); 
         systemArea.append(in.readLine() + "\n");
         out.println("RCPT TO: " + to.getText()); 
         systemArea.append("RCPT TO: " + to.getText() + "\n");
         systemArea.append(in.readLine() + "\n");
         out.println("MAIL SUBJECT: " + subject.getText());
         systemArea.append("MAIL SUBJECT: " + subject.getText() + "\n");
         systemArea.append(in.readLine() + "\n");
         out.println("DATA"); 
         systemArea.append("DATA" + "\n");
         systemArea.append(in.readLine() + "\n");

         out.println("Subject: " + subject.getText() + "\n");
         systemArea.append("Subject: " + subject.getText() + "\n");
         out.println(message);
         systemArea.append(message + "\n");
         out.println("."); 
         systemArea.append("." + "\n");
         systemArea.append(in.readLine() + "\n");
         out.println("QUIT"); 
         systemArea.append("QUIT" + "\n"); 
         systemArea.append(in.readLine() + "\n");
         
         in.close();
         out.close();
      } catch (IOException e) {}
   }

   class L implements ActionListener {
      public void actionPerformed(ActionEvent ae) {
         send(messageArea.getText());  
      }
   }
}