Можете ли вы помочь мне, как использоватьKeyBinding и сConsume для набранногоChars вместе, так же, как демострадSSCCE используяKeyListener

import java.awt.*;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import javax.swing.*;

public class Login {

    private static final long serialVersionUID = 1L;
    /* PassWord for unlock*/
    private PswChecker checker = new PswChecker("pass");

    public Login() {
        JTextField firstField = new JTextField(10);
        firstField.addKeyListener(passwordKeyListener);
        JLabel firstLabel = new JLabel("Password is 'pass' ", JLabel.RIGHT);
        firstLabel.setLabelFor(firstField);
        JPanel p = new JPanel();
        p.setLayout(new GridLayout(0, 2, 5, 5));
        p.add(firstLabel);
        p.add(firstField);
        JFrame f = new JFrame("login");
        f.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
        f.setContentPane(p);
        f.setLocationByPlatform(true);
        f.pack();
        f.setVisible(true);
    }
    //
    private KeyListener passwordKeyListener = new KeyListener() {

        private boolean enabled = true;

        @Override
        public void keyTyped(KeyEvent e) {
            if (!enabled) {
                return;
            }
            if (e.getKeyChar() != KeyEvent.CHAR_UNDEFINED) {
                boolean b = checker.accept(e.getKeyChar());
                e.consume();
                if (b) {
                    enabled = false;
                    if (e.getComponent() != null) {
                        e.getComponent().removeKeyListener(this);
                    }
                    unlock();
                }
            }
        }

        @Override
        public void keyReleased(KeyEvent e) {
        }

        @Override
        public void keyPressed(KeyEvent e) {
        }
    };

    void unlock() {
        JOptionPane.showMessageDialog(null, "unlocked");
    }

    public static void main(String[] args) {
        javax.swing.SwingUtilities.invokeLater(new Runnable() {

            public void run() {
                Login log = new Login();
            }
        });
    }

    class PswChecker {

        private String password = null;
        private boolean unlocked = false;
        private long lastInputTimestamp = 0L;
        private int index = 0;

        public PswChecker(String password) {
            if (password == null) {
                throw new IllegalArgumentException("Null password");
            }
            if (password.trim().length() == 0) {
                throw new IllegalArgumentException("Empty password");
            }
            this.password = password;
        }

        public boolean accept(char c) {
            if (unlocked) {
                return true;
            }
            long timestamp = System.currentTimeMillis();
            if (timestamp - lastInputTimestamp > 700) {
                index = 0;
            }
            lastInputTimestamp = timestamp;
            if (password.charAt(index) == c) {
                index++;
            } else {
                if (password.charAt(0) == c) {
                    index = 1;
                } else {
                    index = 0;
                }
            }
            unlocked = (index == password.length());
            return unlocked;
        }

        public boolean isUnlocked() {
            return unlocked;
        }

        public boolean isLocked() {
            return !unlocked;
        }

        @Override
        public String toString() {
            return unlocked ? "UNLOCKED" : "LOCKED";
        }

        /*private boolean check(String keystrokes, String password, boolean expectUnLocked) {
        PswChecker checker = new PswChecker(password);
        for (int i = 0; i < keystrokes.length(); i++) {
        checker.accept(keystrokes.charAt(i));
        }
        return checker.isUnlocked();
        }*/
    }
}