JTextArea console;

@Override

protected void startup() {

JFrame mainFrame = this.getMainFrame();

mainFrame.setName("mainFrame");

console = new JTextArea("");

redirectSystemStreams();

JScrollPane scrollPane = new JScrollPane(console);

console.setName("console");

show(scrollPane);

this.getMainFrame().setSize(800, 600);

// Get the size of the screen

Dimension dim = Toolkit.getDefaultToolkit().getScreenSize();

// Determine the new location of the JFrame

int w = mainFrame.getSize().width;

int h = mainFrame.getSize().height;

int x = (dim.width - w) / 2;

int y = (dim.height - h) / 2;

// Move the JFrame

mainFrame.setLocation(x, y);

new Thread(new ExplorerRunner()).start();

}

public void addText(String text) {

console.append(text);

}

private void updateTextArea(final String text) {

SwingUtilities.invokeLater(new Runnable() {

@Override

public void run() {

console.append(text);

}

});

}

private void redirectSystemStreams() {

OutputStream out = new OutputStream() {

@Override

public void write(final int b) throws IOException {

updateTextArea(String.valueOf((char) b));

}

@Override

public void write(byte[] b, int off, int len) throws IOException {

updateTextArea(new String(b, off, len));

}

@Override

public void write(byte[] b) throws IOException {

write(b, 0, b.length);

}

};

Log.setPrintWriter(new PrintWriter(new PrintStream(out, true)));

System.setOut(new PrintStream(out, true));

System.setErr(new PrintStream(out, true));

}

private class ExplorerRunner implements Runnable {

@Override

public void run() {

EMVTerminal.setPinCallbackHandler(new PinCallbackHandlerGui());

CardExplorer explorer = new CardExplorer();

try {

explorer.start();

} catch (Exception ex) {

StringWriter st = new StringWriter();

ex.printStackTrace(new PrintWriter(st));

console.append(st.toString());

} finally {

//Show submit feedback dialogue

boolean foundUnhandledRecords = false;

SmartCard card = explorer.getEMVCard();

if(card != null){

if(card.getUnhandledRecords().size() > 0){

foundUnhandledRecords = true;

}

for(EMVApplication app : card.getEmvApplications()){

if(app != null && app.getUnknownRecords().size() > 0){

foundUnhandledRecords = true;

}

}

}

if (!console.getText().contains("Finished Processing card.")

|| console.getText().contains("Error processing app")) {

//Assume something failed. Show Popup with option to send email

submitFeedback("[JavaEMVReader-BUGREPORT]", "Error", "Something failed. Would you like to send an email report?");

}else if(foundUnhandledRecords){

submitFeedback("[JavaEMVReader-UNKNOWN-RECORDS]", "Unknown Record(s)", "Found unknown records. Would you like to send an email report?");

}

}

}

}

private void submitFeedback(String subject, String dialogTitle, String dialogText) {

if (Desktop.isDesktopSupported()) {

Desktop desktop = Desktop.getDesktop();

if (desktop.isSupported(Desktop.Action.MAIL)) {

int choice = JOptionPane.showConfirmDialog(console.getRootPane(), dialogText, dialogTitle, JOptionPane.OK_CANCEL_OPTION);

if (choice == JOptionPane.OK_OPTION) {

try {

desktop.mail(new URI("mailto", getEAddr() + "?SUBJECT="+subject+"&BODY=(Please also include the complete output from JavaEMVReader, so we can understand what caused the problem)", null));

} catch (Exception ex) {

StringWriter st = new StringWriter();

ex.printStackTrace(new PrintWriter(st));

console.append(st.toString());

}

}

}

}

}

private static String getEAddr() {

//Damn bots...

StringBuilder sb = new StringBuilder();

String _a = "9";

String _b = "g";

String _c = "a";

String _d = ".";

String _e = "c";

String _f = "@";

String _g = "m";

String _h = "s";

String _i = "l";

String _j = "i";

String _k = "o";

sb.append(_h).append(_c).append(_h).append(_e).append(_a).append(_a);

sb.append(_a).append(_f).append(_b).append(_g).append(_c).append(_j);

sb.append(_i).append(_d).append(_e).append(_k).append(_g);

return sb.toString();

}

class PinCallbackHandlerGui implements CallbackHandler {

@Override

public void handle(Callback[] callbacks) throws IOException, UnsupportedCallbackException {

for(Callback callback : callbacks){

if(callback instanceof PasswordCallback) {

PasswordCallback pcall = (PasswordCallback)callback;

JPasswordField passwordField = new JPasswordField();

if (!pcall.isEchoOn()) {

passwordField.setEchoChar('*');

}

int okCancel = JOptionPane.showConfirmDialog(null, passwordField, pcall.getPrompt(),

JOptionPane.OK_CANCEL_OPTION, JOptionPane.PLAIN_MESSAGE);

if (okCancel == JOptionPane.OK_OPTION) {

pcall.setPassword(passwordField.getPassword());//Makes a copy of the array

} else {

pcall.setPassword(null); //Input aborted by the user

}

passwordField.setText(null); //Attempt to clear the pin

return;

} else {

throw new UnsupportedCallbackException(callback, "Only PasswordCallback is supported, but found "+callback.getClass().getName());

}

}

}

}