JFrame_LoginForm

package com.cry.Library;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;
import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;
import com.cry.Entities.Users;
import com.cry.JDBC.ConnectDB;

public class JFrame_LoginForm extends JFrame{

	private static final long serialVersionUID = 1L;

	public JFrame_LoginForm(){
		JFrame frame = new JFrame("User Verification");

		JPanel panel = new JPanel();
		frame.add(panel);

		frame.setSize(280, 150);
		panel.setLayout(null);

		JLabel labelUser = new JLabel("Username:");
		labelUser.setBounds(10, 10, 80, 25);
		panel.add(labelUser);

		JTextField txtUser = new JTextField(20);
		txtUser.setBounds(100, 10, 160, 25);
		panel.add(txtUser);

		JLabel labelPass = new JLabel("Password:");
		labelPass.setBounds(10, 40, 80, 25);
		panel.add(labelPass);

		JPasswordField txtPass = new JPasswordField();
		txtPass.setBounds(100, 40, 160, 25);
		panel.add(txtPass);

		JButton btnLogin = new JButton("Login");
		btnLogin.setBounds(30, 80, 100, 25);
		panel.add(btnLogin);

		JButton btnRegister = new JButton("Register");
		btnRegister.setBounds(150, 80, 100, 25);
		panel.add(btnRegister);

		btnLogin.addActionListener(
				new ActionListener(){
					public void actionPerformed(ActionEvent event){
						Connection myConn = ConnectDB.getConnection();
						PreparedStatement mySt;

						String user = txtUser.getText();
						char [] passChar = txtPass.getPassword();
						if(passChar != null){
							String pass = new String (passChar);
							String query = "SELECT * FROM users WHERE `username` = ? and `password` = ?";

							try {
								mySt = myConn.prepareStatement(query);
								mySt.setString(1, user);
								mySt.setString(2, pass);

								ResultSet myRs = mySt.executeQuery();

								if(myRs.next()){
									new JFrame_MainLibrary();
									frame.dispose();
									}else{
										JOptionPane.showMessageDialog(null, "<html> Please try again! <br>Enter the correct username/password</html>", "ERROR", JOptionPane.ERROR_MESSAGE);
										}
									myRs.close();
									mySt.close();
									myConn.close();

							} catch (SQLException e) {
								e.printStackTrace();
							}
						}
					}

				});

		btnRegister.addActionListener(
				new ActionListener(){
					@SuppressWarnings("deprecation")
					public void actionPerformed(ActionEvent event){

						if(txtUser.getText().isEmpty() || txtPass.getText().isEmpty()){
							JOptionPane.showMessageDialog(null, "<html> Please try again! <br>Enter the username and password</html>", "ERROR", JOptionPane.ERROR_MESSAGE);

						}else{
							Users user = new Users();
							user.setUsername(txtUser.getText());
							user.setPassword(txtPass.getText());

								try{
									SessionFactory sessionFactory = new Configuration().configure().buildSessionFactory();
									Session session = sessionFactory.openSession();
									session.beginTransaction();
									session.save(user);
									session.getTransaction().commit();
									JOptionPane.showMessageDialog(null, "You have created the username '"+txtUser.getText()+"' with the password '"+txtPass.getText()+"'", "User created", JOptionPane.INFORMATION_MESSAGE);

								}catch(HibernateException e){
									e.printStackTrace();
							}
						}
					}
				});

		frame.setVisible(true);
		frame.setResizable(false);
	}
}