UserPasswordDialog.java

   1 /*
   2  * Copyright (C) 2010 Mathieu Baudier <mbaudier@argeo.org>
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *         http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package org.argeo.security.activemq;
  18
  19 import java.awt.Container;
  20 import java.awt.GridLayout;
  21 import java.awt.Panel;
  22 import java.awt.event.ActionEvent;
  23 import java.awt.event.ActionListener;
  24 import java.util.Arrays;
  25
  26 import javax.swing.JButton;
  27 import javax.swing.JDialog;
  28 import javax.swing.JFrame;
  29 import javax.swing.JLabel;
  30 import javax.swing.JPanel;
  31 import javax.swing.JPasswordField;
  32 import javax.swing.JTextField;
  33
  34 public class UserPasswordDialog extends JDialog implements ActionListener {
  35         private static final long serialVersionUID = -9052993072210981198L;
  36         private static String OK = "ok";
  37
  38         private JTextField username = new JTextField("", 10);
  39         private JPasswordField password = new JPasswordField("", 10);
  40
  41         private JButton okButton;
  42         private JButton cancelButton;
  43
  44         public UserPasswordDialog() {
  45                 setTitle("Credentials");
  46                 setModal(true);
  47                 setLocationRelativeTo(null);
  48                 setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
  49
  50                 JPanel p1 = new JPanel(new GridLayout(2, 2, 3, 3));
  51                 p1.add(new JLabel("User"));
  52                 p1.add(username);
  53                 p1.add(new JLabel("Password"));
  54                 password.setActionCommand(OK);
  55                 password.addActionListener(this);
  56                 p1.add(password);
  57                 add("Center", p1);
  58
  59                 Panel p2 = new Panel();
  60                 okButton = addButton(p2, "OK");
  61                 okButton.setActionCommand(OK);
  62                 cancelButton = addButton(p2, "Cancel");
  63                 add("South", p2);
  64                 setSize(240, 120);
  65
  66                 pack();
  67         }
  68
  69         /** To be overridden */
  70         protected void useCredentials(String username, char[] password) {
  71                 // does nothing
  72         }
  73
  74         private JButton addButton(Container c, String name) {
  75                 JButton button = new JButton(name);
  76                 button.addActionListener(this);
  77                 c.add(button);
  78                 return button;
  79         }
  80
  81         public final void actionPerformed(ActionEvent evt) {
  82                 Object source = evt.getSource();
  83                 if (source == okButton || evt.getActionCommand().equals(OK)) {
  84                         char[] p = password.getPassword();
  85                         useCredentials(username.getText(), p);
  86                         Arrays.fill(p, '0');
  87                         cleanUp();
  88                 } else if (source == cancelButton)
  89                         cleanUp();
  90         }
  91
  92         private void cleanUp() {
  93                 password.setText("");
  94                 dispose();
  95         }
  96
  97         public static void main(String[] args) {
  98                 UserPasswordDialog dialog = new UserPasswordDialog() {
  99                         private static final long serialVersionUID = -891646559691412088L;
 100
 101                         protected void useCredentials(String username, char[] password) {
 102                                 System.out.println(username + "/" + new String(password));
 103                         }
 104                 };
 105                 dialog.setVisible(true);
 106                 System.out.println("After show");
 107         }
 108 }