Example usage for javax.smartcardio CardTerminal waitForCardPresent

Introduction

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

Prototype

public abstract boolean waitForCardPresent(long timeout) throws CardException;

Source Link

Document

Waits until a card is present in this terminal or the timeout expires.

Usage

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;/*from  w ww  .j  a v  a2s .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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