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

   1 /*
   2  * Copyright (C) 2007-2012 Argeo GmbH
   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 package org.argeo.security.activemq;
  17
  18 import java.awt.Container;
  19 import java.awt.GridLayout;
  20 import java.awt.Panel;
  21 import java.awt.event.ActionEvent;
  22 import java.awt.event.ActionListener;
  23 import java.util.Arrays;
  24
  25 import javax.swing.JButton;
  26 import javax.swing.JDialog;
  27 import javax.swing.JFrame;
  28 import javax.swing.JLabel;
  29 import javax.swing.JPanel;
  30 import javax.swing.JPasswordField;
  31 import javax.swing.JTextField;
  32
  33 /**
  34  * Small Swing-based UI to pass user/name and password. TODO better integrate
  35  * with JAAS callbacks.
  36  */
  37 public class UserPasswordDialog extends JDialog implements ActionListener {
  38         private static final long serialVersionUID = -9052993072210981198L;
  39         private static String OK = "ok";
  40
  41         private JTextField username = new JTextField("", 10);
  42         private JPasswordField password = new JPasswordField("", 10);
  43
  44         private JButton okButton;
  45         private JButton cancelButton;
  46
  47         public UserPasswordDialog() {
  48                 setTitle("Credentials");
  49                 setModal(true);
  50                 setLocationRelativeTo(null);
  51                 setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
  52
  53                 JPanel p1 = new JPanel(new GridLayout(2, 2, 3, 3));
  54                 p1.add(new JLabel("User"));
  55                 p1.add(username);
  56                 p1.add(new JLabel("Password"));
  57                 password.setActionCommand(OK);
  58                 password.addActionListener(this);
  59                 p1.add(password);
  60                 add("Center", p1);
  61
  62                 Panel p2 = new Panel();
  63                 okButton = addButton(p2, "OK");
  64                 okButton.setActionCommand(OK);
  65                 cancelButton = addButton(p2, "Cancel");
  66                 add("South", p2);
  67                 setSize(240, 120);
  68
  69                 pack();
  70         }
  71
  72         /** To be overridden */
  73         protected void useCredentials(String username, char[] password) {
  74                 // does nothing
  75         }
  76
  77         private JButton addButton(Container c, String name) {
  78                 JButton button = new JButton(name);
  79                 button.addActionListener(this);
  80                 c.add(button);
  81                 return button;
  82         }
  83
  84         public final void actionPerformed(ActionEvent evt) {
  85                 Object source = evt.getSource();
  86                 if (source == okButton || evt.getActionCommand().equals(OK)) {
  87                         char[] p = password.getPassword();
  88                         useCredentials(username.getText(), p);
  89                         Arrays.fill(p, '0');
  90                         cleanUp();
  91                 } else if (source == cancelButton)
  92                         cleanUp();
  93         }
  94
  95         private void cleanUp() {
  96                 password.setText("");
  97                 dispose();
  98         }
  99
 100         public static void main(String[] args) {
 101                 UserPasswordDialog dialog = new UserPasswordDialog() {
 102                         private static final long serialVersionUID = -891646559691412088L;
 103
 104                         protected void useCredentials(String username, char[] password) {
 105                                 System.out.println(username + "/" + new String(password));
 106                         }
 107                 };
 108                 dialog.setVisible(true);
 109                 System.out.println("After show");
 110         }
 111 }