package wages;
 
/**
* Insert the type's description here.
* Creation date: (10/4/2003 6:50:44 PM)
* @author: 
*/
import java.applet.*;
import java.awt.*; 
import java.awt.event.*;
import java.util.*;
import java.io.*;
import javax.swing.*;
 
 
 
 
/**
* Insert the type's description here.
* Creation date: (10/2/2003 8:02:27 PM)
* @author: 
*/
public class Login extends javax.swing.JFrame implements java.awt.event.ActionListener 
{
static Login window;/*new*/
private UserRecord root;
Wages myWages = new Wages("Wages");
 
Button ok = new Button("OK");
Button cancel = new Button("Cancel");
Label user = new Label("Username:");
Label pass = new Label("Password:");
TextField userField = new TextField();
TextField passwordField = new TextField();
JPanel buttonPanel = new JPanel();
JPanel inputPanel = new JPanel();
JPanel resultPanel = new JPanel();
int tries = 0;
String username;
String password;
 
public Login() {
ok.setActionCommand("1");
cancel.setActionCommand("2");
ok.addActionListener( this);
cancel.addActionListener(this);
 
inputPanel.add(userField);
inputPanel.ad d(passwordField);
 
inputPanel.setLayout(new GridLayout(1,1));
 
 
resultPanel.add(user);
resultPanel.add(pass);
 
resultPanel. setLayout(new GridLayout(1,1));
 
buttonPanel.add(ok);
buttonPanel.add(cancel);
buttonPanel.se tLayout(new GridLayout(1,1));
 
getContentPane().add(resultPanel);
getContentPane().add(inpu tPanel);
 
getContentPane().add(buttonPanel);
getContentPane().setLayout(new GridLayout(3,2));
load();
 
 
passwordField.setEchoChar('*');
}
 
 
 
 
/**
* Invoked when an action occurs.
*/
public void actionPerformed(java.awt.event.ActionEvent e) {
 
String X = e.getActionCommand();
String action = new String();
char command = X.charAt(0);
 
switch (command)
{
case '1':
 
if (passwordchk()){
window.setVisible(false);/*new*/
myWages.setSize(800, 600); 
myWages.show();
 
 
 
}
else
{
JOptionPane.showMessageDialog(null, "Error, enter username and password again", "Error",JOptionPane.ERROR_MESSAGE);
tries++;
if (tries == 3){
System.exit(0);
userField.setText("");
passwordField.setText("");
}
}
 
brea k;
case '2': System.exit(0); break;
 
 
}
 
}
public void addnode(String name, String password)
{
UserRecord theNode = new UserRecord( name,
password, 
null );
theNode.setNext( root );
root = theNode;
 
}
public void load(){
try {
String userfile = "c:\\ReadinAndWritin.NBi";
ObjectInputStream userin = new ObjectInputStream(new FileInputStream(userfile));
String[][] info = (String[][]) userin.readObject();
userin.close();
username = info[0][0];
password = info[0][1];
addnode(username,password);
 
} catch (IOException e) {
} catch (Exception e) {
}
 
}
public static void main(String[] args) {
window = new Login();/*new*/
 
window.setTitle("Log In");
window.setSize(250, 150);
window.setVisible(true);
 
 
 
}
public boolean passwordchk(){
boolean passed = false;
String usernameField = userField.getText();
String passField = passwordField.getText(); 
if ((usernameField.equals("default")) & (passField.equals("firsttime")))
{
passed = true;
}
else {
UserRecord temp;
temp = root;
 
 
while (temp != null)
{
 
if ((usernameField.equals(username)) & (passField.equals(password)))
{
passed = true;
}
temp = temp.getNext();
}
 
}
return passed;
 
}
 
 
}