mymail/LoginGUI.java

import java.awt.BorderLayout;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JPanel;
import javax.swing.border.EmptyBorder;
import javax.swing.JTextField;
import javax.swing.BoxLayout;
import javax.swing.JLabel;
import javax.swing.JPasswordField;

public class LoginGUI extends JDialog implements ActionListener {

	private MyMail app;

	private final JPanel contentPanel = new JPanel();
	private JTextField address;
	private JTextField user;
	private JPasswordField pw;

	/**
	 * Launch the application.
	 */

	/**
	 * Create the dialog.
	 */
	public LoginGUI(MyMail app) {
		this.app = app;
		setTitle("Login");
		setBounds(100, 100, 251, 220);
		setLocationRelativeTo(null);
		getContentPane().setLayout(new BorderLayout());
		setDefaultCloseOperation(DISPOSE_ON_CLOSE);
		contentPanel.setBorder(new EmptyBorder(5, 5, 5, 5));
		getContentPane().add(contentPanel, BorderLayout.CENTER);
		contentPanel.setLayout(null);
		{
			address = new JTextField();
			address.setBounds(10, 26, 215, 20);
			contentPanel.add(address);
			address.setColumns(10);
		}
		{
			user = new JTextField();
			user.setBounds(10, 72, 215, 20);
			contentPanel.add(user);
			user.setColumns(10);
		}
		
		JLabel lblNewLabel = new JLabel("Server Address");
		lblNewLabel.setBounds(10, 11, 414, 14);
		contentPanel.add(lblNewLabel);
		
		JLabel lblNewLabel_1 = new JLabel("Username");
		lblNewLabel_1.setBounds(10, 57, 414, 14);
		contentPanel.add(lblNewLabel_1);
		
		JLabel lblNewLabel_2 = new JLabel("Password");
		lblNewLabel_2.setBounds(10, 103, 414, 14);
		contentPanel.add(lblNewLabel_2);
		
		pw = new JPasswordField();
		pw.setBounds(10, 118, 215, 20);
		contentPanel.add(pw);
		{
			JPanel buttonPane = new JPanel();
			buttonPane.setLayout(new FlowLayout(FlowLayout.RIGHT));
			getContentPane().add(buttonPane, BorderLayout.SOUTH);
			{
				JButton okButton = new JButton("OK");
				okButton.setActionCommand("OK");
				okButton.addActionListener(this);
				buttonPane.add(okButton);
				getRootPane().setDefaultButton(okButton);
			}
			{
				JButton cancelButton = new JButton("Cancel");
				cancelButton.setActionCommand("Cancel");
				cancelButton.addActionListener(this);
				buttonPane.add(cancelButton);
			}
		}
		setVisible(true);
	}

	@Override
	public void actionPerformed(ActionEvent e) {
		if (e.getActionCommand().equals("OK")) {
			app.start(address.getText(), 110, user.getText(), new String(pw.getPassword()));
		} else if (e.getActionCommand().equals("Cancel")) {
			dispose();
		}
	}
}