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Thread: password denied

  1. #1
    Java kindergarten chronoz13's Avatar
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    Default password denied

    i cant figure this out please help ...

    main class that runs the password prompt
    public class PasswordField extends JFrame {
     
        private JPanel passwordPanel;
     
        private JPasswordField passwordField;
     
        private JLabel passwordLabel;
     
        private JButton userConfirmationBtn;
        private JButton submenu;
     
        private Image icon;
     
        private ImageIcon frameBackground;
        private ImageIcon buttonBackground;
     
        private String passwordAuthentication;
     
        public PasswordField() {
     
            initComponents();
        }
     
        private void initComponents() {
     
            icon = new ImageIcon("c:/pics/mercuryLogo.jpg").getImage().getScaledInstance(300, 300, 0);
            frameBackground = new ImageIcon("c:/pics/passwordbck2.jpg");
            buttonBackground = new ImageIcon("c:/pics/buttonbck");
            passwordField = new JPasswordField();
            passwordLabel = new JLabel("Password: ");
            userConfirmationBtn = new JButton("Enter");
            submenu = new JButton("Submenu");
     
            // set the properties of this label
            passwordLabel.setBounds(12, 13, 80, 20);
            passwordLabel.setFont(new Font("Monospaced", Font.BOLD, 12));
            passwordLabel.setForeground(Color.BLACK);
     
     
            // set the properties and actions of this text field
            passwordField.setBounds(88, 13, 185, 20);
     
            // set the properties and actions of this button
            Action pass = new AbstractAction() {
     
                public void actionPerformed(ActionEvent e) {
     
                    Password p = new Password();
                    // retrive the password data from the password field
                    char[] passwordChars = passwordField.getPassword();
     
                    String passwordStr = "";
     
                    // convert the returned password characters as string
                    for (int x = 0; x <= passwordChars.length - 1; x++) {
     
                        passwordStr = passwordStr + passwordChars[x];
                    }
                    // check if the password entered is valid
     
                    if (p.isPasswordAuthenticated(passwordStr)) {
     
                     //   new InventoryDatabase();
                        disableWindow();
                    }
                    else if (passwordStr.equals("")) {
     
                       // PopUpDialog.popTheErrorMessage(" Unauthorized Entry", "Please Fill The Specified Field.");
                    }
                    else {
     
                     //   PopUpDialog.popTheErrorMessage(" Unauthorized Entry !", "Access Denied.");
                    }
                }
            };
            userConfirmationBtn.addActionListener(pass);
            userConfirmationBtn.setMnemonic(KeyEvent.VK_E);
            userConfirmationBtn.setBounds(88, 55, 90, 20);
            userConfirmationBtn.setFont(new Font("Monospaced", Font.BOLD, 11));
            userConfirmationBtn.setBackground(Color.LIGHT_GRAY);
            userConfirmationBtn.registerKeyboardAction(userConfirmationBtn.getActionForKeyStroke(
                                                       KeyStroke.getKeyStroke(KeyEvent.VK_SPACE, 0, false)),
                                                       KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0, false),
                                                       JComponent.WHEN_IN_FOCUSED_WINDOW);
            userConfirmationBtn.registerKeyboardAction(userConfirmationBtn.getActionForKeyStroke(
                                                       KeyStroke.getKeyStroke(KeyEvent.VK_SPACE, 0, true)),
                                                       KeyStroke.getKeyStroke(KeyEvent.VK_ENTER, 0, true),
                                                       JComponent.WHEN_IN_FOCUSED_WINDOW);
     
            // set the properties and actions of this button
            Action openSubmenu = new AbstractAction() {
     
                public void actionPerformed(ActionEvent e) {
     
                    Submenu.openSubmenu();
                }
            };
            submenu.addActionListener(openSubmenu);
            submenu.setMnemonic(KeyEvent.VK_S);
            submenu.setBounds(184, 55, 90, 20);
            submenu.setFont(new Font("Monospaced", Font.BOLD, 11));
            submenu.setBackground(Color.LIGHT_GRAY);
     
     
            passwordPanel = new JPanel() {
     
                @Override
                protected void paintComponent(Graphics g) {
     
                    // Scale image to size of component
                    Dimension d = getSize();
     
                    g.drawImage(frameBackground.getImage(), 0, 0, d.width, d.height, null);
     
                    super.paintComponent(g);
                }
            };
            passwordPanel.setOpaque(false);
     
            // set this panel's layout to null for absolute positioning of
            // components
            passwordPanel.setLayout(null);
     
            // add the components to this panel
            passwordPanel.add(passwordLabel);
            passwordPanel.add(passwordField);
            passwordPanel.add(userConfirmationBtn);
            passwordPanel.add(submenu);
     
            // add the panel to the container
            getContentPane().add(passwordPanel);
     
            setTitle(" User Confirmation");
            setIconImage(icon);
            setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
            setSize(288, 120);
            setResizable(false);
            setLocationRelativeTo(null);
            setVisible(true);
        }
     
        /**
         * Invoke this method if this window doesnt have any more use for the current
         * event.
         */
        private void disableWindow() {
     
            setVisible(false);
        }
     
        public static void main(String[] args) {
     
            SwingUtilities.invokeLater(new Runnable() {
     
                public void run() {
     
                    new PasswordField();
                }
            });
        }
    }

    password class, not fully functional
    public class Password {
     
        private String[] passwords;
     
        public Password() {
     
            passwords = new String[] {"123,","ABC"};
        }
     
        public boolean isPasswordAuthenticated(String 
     
            for (int x = 0; x <= passwords.length - 1; x++) {
     
                if (password.equals(passwords[x])) {
     
                    return true;
                }
                else {
     
                    return false;
                }
            }
     
     
            return false;
        }
     
        public static void addNewPassword(String newPassword) {
     
            // UNSUPPORTED
            throw new UnsupportedOperationException();
        }
     
        public static void deletePassword(String password) {
     
            // UNSUPPORTED
            throw new UnsupportedOperationException();
        }
    }

    i cant figure out why does the password is denied? im trying to enter the exact password data...
    Last edited by chronoz13; January 28th, 2010 at 11:22 AM.


  2. #2
    Administrator copeg's Avatar
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    Default Re: password denied

    Your authentication function only checks the first password in the password array

        public boolean isPasswordAuthenticated(String  password)        
            for (int x = 0; x <= passwords.length - 1; x++) {
                if (password.equals(passwords[x])) {
                    return true;
                }
                //else {
                //
                //   return false; //If this is here, it will return false after only checking the first password
                //}
            }       
            return false;
        }

  3. The Following User Says Thank You to copeg For This Useful Post:

    chronoz13 (January 28th, 2010)

  4. #3
    Java kindergarten chronoz13's Avatar
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    Default Re: password denied

    sir I cant figure it out why does it only checks the first password in the array...?

    so if it is , then if i enter "123", it will still return true....

  5. #4
    Java kindergarten chronoz13's Avatar
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    Default Re: password denied

    public class Password {
     
        private String[] passwords;
     
        public Password() {
     
            passwords = new String[] {"123", "ABC"};
        }
     
        public  boolean isPasswordAuthentic(String password) {
     
            boolean isAuthentic = false;
     
            for (int x = 0; x <= passwords.length - 1; x++) {
     
                if (password.equals(passwords[x])) {
     
                    isAuthentic = true;
                    break;
                }
            }
     
            return isAuthentic;
        }
     
        public static void addNewPassword(String newPassword) {
     
            // UNSUPPORTED
            throw new UnsupportedOperationException();
        }
     
        public static void deletePassword(String password) {
     
            // UNSUPPORTED
            throw new UnsupportedOperationException();
        }
    }

    i solved it sir.... thank you!
    Last edited by chronoz13; January 28th, 2010 at 08:30 PM.

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