PayRoll calculation project Using java Source code module name class LoginFrame

payroll using java project source code part 2 .

for source code part 1 class MainMenu click here
module name class LoginFrame is given below


/* this code is education purpuse only. all rights reserved .copy right
protected .www.freejavaprojectsonline.blogspot.com . mails to : johnjustin@in.com */
import java.awt.*;
import java.awt.event.*;
import java.sql.*;
import java.io.*;
import java.util.*;
import java.net.*;
import javax.swing.*;
import java.util.Date;

public class LoginFrame extends JFrame implements ActionListener {

static JFrame frame;
private String username;
private String password;
private static JFrame loginFrame;
private static JPanel panel1;
private static JPanel panel2;
private static JPanel panel3;
private JButton loginBtn;
private JButton exitBtn;
int dialogtype = JOptionPane.PLAIN_MESSAGE;
String dialogmessage;
String dialogs;
private JLabel nameLbl;
private JLabel userLbl;
private JLabel passwordLbl;
private static JTextField userTxt;
private static JPasswordField passwordTxt;

public String loginname;
public String loginpass;

// class Veriables
clsConnection connect = new clsConnection();
//Connection variable

Connection conn;
Dimension screen = Toolkit.getDefaultToolkit().getScreenSize();

static Date td = new Date();

public LoginFrame()
{


panel1 = new JPanel();
panel1.setLayout(new FlowLayout());
nameLbl = new JLabel("WELCOME TO GEC'S PAYROLL SYSTEM");

panel2 = new JPanel();
panel2.setLayout(new GridLayout(2,2));
userLbl = new JLabel("Username :");
userTxt = new JTextField(20);

passwordLbl = new JLabel("Password :");

passwordTxt = new JPasswordField(20);

panel3 = new JPanel();
panel3.setLayout(new FlowLayout());

loginBtn = new JButton("Login", new ImageIcon("images/key.gif"));

loginBtn.addActionListener(this);
exitBtn = new JButton("Exit", new ImageIcon("images/Keys.gif"));

exitBtn.addActionListener(this);
panel1.add(nameLbl);
panel1.setOpaque(true);
panel2.add(userLbl);
panel2.add(userTxt);
panel2.add(passwordLbl);
panel2.add(passwordTxt);
panel2.setOpaque(true);
panel3.add(loginBtn);
panel3.add(exitBtn);
panel3.setOpaque(true);
frame = new JFrame("PayRoll User Login...");
frame.setSize(300,200);

Container pane = frame.getContentPane();
pane.setLayout(new BoxLayout(pane, BoxLayout.Y_AXIS));
//pane.setLayout(new GridLayout(3,1));
pane.add(panel1);
pane.add(panel2);
pane.add(panel3);
frame.setLocation((screen.width - 500)/2,((screen.height-350)/2));
frame.setVisible(true);
frame.addWindowListener(new WindowAdapter()
{
public void windowClosing(WindowEvent e)
{
System.exit(0);
}
});



}

public void actionPerformed(ActionEvent event)
{
Object source = event.getSource();
if(source.equals(loginBtn))
{
login();

}
else if(source.equals(exitBtn))
{
System.exit(0);
}
}

public void login()
{
loginname = userTxt.getText().trim();
loginpass = passwordTxt.getText().trim();


try {
conn = connect.setConnection(conn,"","");
}
catch(Exception e)
{
}
try{


Statement stmt = conn.createStatement();

String query = "SELECT * FROM Login WHERE USERNAME='" + loginname +
"'AND PASSWORD='"+loginpass+"'";
ResultSet rs = stmt.executeQuery(query);
boolean recordfound = rs.next();
if (recordfound)
{

dialogmessage = "Welcome - " +loginname;
dialogtype = JOptionPane.INFORMATION_MESSAGE;
JOptionPane.showMessageDialog((Component)null, dialogmessage, dialogs, dialogtype);
userTxt.setText("");
passwordTxt.setText("");
frame.setVisible(false);
frame.dispose();
MainMenu menu = new MainMenu(loginname,td);


}
else
{
dialogmessage = "Login Failed!";
JOptionPane.showMessageDialog(null, "INVALID ID OR PASSWORD!",
"WARNING!!",JOptionPane.WARNING_MESSAGE);

userTxt.setText("");
passwordTxt.setText("");
}
conn.close();
}
catch(Exception ex)
{
JOptionPane.showMessageDialog(null,"GENERAL EXCEPTION", "WARNING!!!",JOptionPane.INFORMATION_MESSAGE);
}
}


public static void main(String[] args)
{

LoginFrame frame1 = new LoginFrame();
frame1.addNotify();
frame1.pack();


}



}

NEXT 3rd MODULE=> CLICK HERE FOR NEXT MODULE OF PAYROLL USING JAVA ACADEMIC PROJECT , class Emprptwindow