security/runtime/org.argeo.security.core/src/main/java/org/argeo/security/core/UserPasswordDialog.java

   1 package org.argeo.security.core;
   2
   3 import java.awt.Container;
   4 import java.awt.GridLayout;
   5 import java.awt.Panel;
   6 import java.awt.event.ActionEvent;
   7 import java.awt.event.ActionListener;
   8 import java.util.Arrays;
   9
  10 import javax.swing.JButton;
  11 import javax.swing.JDialog;
  12 import javax.swing.JFrame;
  13 import javax.swing.JLabel;
  14 import javax.swing.JPanel;
  15 import javax.swing.JPasswordField;
  16 import javax.swing.JTextField;
  17
  18 public class UserPasswordDialog extends JDialog implements ActionListener {
  19         private static final long serialVersionUID = -9052993072210981198L;
  20         private static String OK = "ok";
  21
  22         private JTextField username = new JTextField("", 10);
  23         private JPasswordField password = new JPasswordField("", 10);
  24
  25         private JButton okButton;
  26         private JButton cancelButton;
  27
  28         public UserPasswordDialog() {
  29                 setTitle("Credentials");
  30                 setModal(true);
  31                 setLocationRelativeTo(null);
  32                 setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
  33
  34                 JPanel p1 = new JPanel(new GridLayout(2, 2, 3, 3));
  35                 p1.add(new JLabel("User"));
  36                 p1.add(username);
  37                 p1.add(new JLabel("Password"));
  38                 password.setActionCommand(OK);
  39                 password.addActionListener(this);
  40                 p1.add(password);
  41                 add("Center", p1);
  42
  43                 Panel p2 = new Panel();
  44                 okButton = addButton(p2, "OK");
  45                 okButton.setActionCommand(OK);
  46                 cancelButton = addButton(p2, "Cancel");
  47                 add("South", p2);
  48                 setSize(240, 120);
  49
  50                 pack();
  51         }
  52
  53         /** To be overridden */
  54         protected void useCredentials(String username, char[] password) {
  55                 // does nothing
  56         }
  57
  58         private JButton addButton(Container c, String name) {
  59                 JButton button = new JButton(name);
  60                 button.addActionListener(this);
  61                 c.add(button);
  62                 return button;
  63         }
  64
  65         public final void actionPerformed(ActionEvent evt) {
  66                 Object source = evt.getSource();
  67                 if (source == okButton || evt.getActionCommand().equals(OK)) {
  68                         char[] p = password.getPassword();
  69                         useCredentials(username.getText(), p);
  70                         Arrays.fill(p, '0');
  71                         cleanUp();
  72                 } else if (source == cancelButton)
  73                         cleanUp();
  74         }
  75
  76         private void cleanUp() {
  77                 password.setText("");
  78                 dispose();
  79         }
  80
  81         public static void main(String[] args) {
  82                 UserPasswordDialog dialog = new UserPasswordDialog() {
  83                         private static final long serialVersionUID = -891646559691412088L;
  84
  85                         protected void useCredentials(String username, char[] password) {
  86                                 System.out.println(username + "/" + new String(password));
  87                         }
  88                 };
  89                 dialog.setVisible(true);
  90                 System.out.println("After show");
  91         }
  92 }