Example usage for javax.smartcardio CardTerminal isCardPresent

Introduction

In this page you can find the example usage for javax.smartcardio CardTerminal isCardPresent.

Prototype

public abstract boolean isCardPresent() throws CardException;

Source Link

Document

Returns whether a card is present in this terminal.

Usage

From source file:Main.java

/**
 * Establishes the connection with the Smart Card (if present)
 * using the first available terminal./*  w ww  .jav a2s  . co m*/
 */
public static Card connectCard() throws CardException {
    // Get available terminals
    List<CardTerminal> terminals = TerminalFactory.getDefault().terminals().list();
    if (terminals.size() < 1) {
        throw new CardException("No attached Smart Card terminals found");
    }

    // Search for connected cards
    Card card = null;
    for (CardTerminal terminal : terminals) {
        if (terminal.isCardPresent()) {
            card = terminal.connect("*");
            break;
        }
    }
    if (card == null) {
        throw new CardException("No connected Smart Cards found");
    }

    return card;
}

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From source file:davmail.util.ClientCertificateTest.java

public void testCardReaders() throws CardException {
    for (CardTerminal terminal : TerminalFactory.getDefault().terminals().list()) {
        System.out.println("Card terminal: " + terminal.getName() + " "
                + (terminal.isCardPresent() ? "Card present" : "No card"));
        terminal.waitForCardPresent(10);
        if (terminal.isCardPresent()) {
            Card c = null;/* w w w . j av  a 2 s. c o  m*/
            try {
                c = terminal.connect("T=0");
            } catch (Exception e) {
                // failover
                c = terminal.connect("T=1");
            }

            ATR atr = c.getATR();

            byte[] bytes = atr.getBytes();
            System.out.print("card:");

            for (byte b : bytes) {
                System.out.print(" " + Integer.toHexString(b & 0xff));
            }
            System.out.println();

        }
    }
}

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From source file:src.eidreader.EstEIDUtil.java

public String readCard(final Boolean full) {
    System.err.println("EIDReader.readCard()");
    return AccessController.doPrivileged(new PrivilegedAction<String>() {
        public String run() {
            try {
                TerminalFactory factory = TerminalFactory.getDefault();
                List<CardTerminal> terminals = factory.terminals().list();

                if (terminals.size() == 0) {
                    return "Error: No card reader found";
                }/*from   w  w w  .j  a v  a 2  s  . c om*/
                //~ throws java.lang.IndexOutOfBoundsException when there is no reader
                CardTerminal terminal = terminals.get(0);

                if (!terminal.isCardPresent()) {
                    return "Error: No card found on terminal";
                    //~ return new EidReaderResponse(new String[] { "No card found on terminal" });
                }
                // "The best way to go is, as explained by Shane, to use the wildcard protocol."
                // https://forums.oracle.com/message/10531935
                Card card = terminal.connect("T=0");
                // Card card = terminal.connect("T=1");
                // Card card = terminal.connect("*");
                System.err.println("Protocol: " + card.getProtocol());
                ATR atr = card.getATR();

                CardChannel channel = card.getBasicChannel();

                if (BelgianReader.matchesEidAtr(atr)) {
                    System.err.println("It's a Belgian card");
                    BelgianReader pf = new BelgianReader(channel);
                    return pf.resultAsString(full);
                }

                System.err.println("It's an Estonian card");
                PersonalFile pf = new PersonalFile(channel);
                return pf.resultAsString(full);
                //~ return new String[] { pf.toString() };
                //~ return new EidReaderResponse(pf.getData());
                //~ return pf.getSurName();
            } catch (Throwable e) {
                //~ return new EidReaderResponse(new String[] { e.toString() });
                e.printStackTrace();
                return "Error: " + e.toString();
            }
        }
    });
}

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