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1 import java.awt.*;
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2 import java.awt.event.*;
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3 import javax.swing.*;
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4 import java.util.concurrent.CountDownLatch;
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5
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6 public class PasswordAsker {
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7
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8 static String password;
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9 static JFrame frame;
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10 static CountDownLatch latch;
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11
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12
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13 public PasswordAsker() {
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14 password = null;
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15 javax.swing.SwingUtilities.invokeLater(new Runnable() {
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16 public void run() {
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17 createAndShowGUI();
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18 }
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19 });
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20 latch = new CountDownLatch(1);
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21 }
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22
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23
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24 private static void createAndShowGUI() {
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25 //Create and set up the window.
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26 frame = new JFrame("Password");
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27 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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28 frame.setContentPane(setMainPane());
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29
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30 //Display the window.
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31 frame.pack();
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32 frame.setVisible(true);
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33 }
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34
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35
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36 private static JPanel setMainPane() {
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37 JPanel rootPanel = new JPanel(false);
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38 rootPanel.setLayout(new GridLayout(0, 1));
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39
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40 JPanel infoPanel = new JPanel(false);
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41 JLabel infoLabel = new JLabel("Please write here the password that you entered for the mySQL root account.\r\nNo information is stored nor sent. I promise.");
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42 infoPanel.add(infoLabel);
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43
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44 JPanel passPanel = new JPanel(false);
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45 passPanel.setLayout(new GridLayout(1, 0));
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46 JLabel passLabel = new JLabel("password");
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47 final JTextField passText = new JTextField(20);
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48 passLabel.setLabelFor(passText);
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49 passPanel.add(passLabel);
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50 passPanel.add(passText);
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51
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52 JPanel okPanel = new JPanel(false);
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53 JButton okButton = new JButton("OK");
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54 okPanel.add(okButton);
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55
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56 okButton.addActionListener(new ActionListener() {
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57 public void actionPerformed(ActionEvent e) {
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58 password = passText.getText();
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59 frame.setVisible(false);
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60 frame.dispose();
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61 latch.countDown();
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62 }
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63 });
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64
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65 rootPanel.add(infoPanel);
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66 rootPanel.add(passPanel);
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67 rootPanel.add(okPanel);
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68
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69 return rootPanel;
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70 }
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71
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72
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73 public boolean waitForPassword() {
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74 try {
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75 latch.await();
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76 }
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77 catch (InterruptedException e) {
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78 return false;
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79 }
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80 return true;
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81 }
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82
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83
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84 public String getPassword() {
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85 return password;
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86 }
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87 }
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