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| <html> |
| <body> |
| <h2>Java™ Smart Card I/O API</h2> |
| |
| This specification describes the Java Smart Card I/O API defined by |
| <a href="http://jcp.org/en/jsr/detail?id=268">JSR 268</a>. |
| |
| It defines a Java API for communication with Smart Cards |
| using ISO/IEC 7816-4 APDUs. It thereby allows Java applications to interact with |
| applications running on the Smart Card, to store and retrieve data |
| on the card, etc. |
| |
| <p> |
| The API is defined by classes in the package |
| <code>javax.smartcardio</code>. They can be classified as follows: |
| |
| <dl> |
| <dt>Classes describing the corresponding Smart Card structures |
| <dd> |
| <a href="ATR.html">ATR</a>, |
| <a href="CommandAPDU.html">CommandAPDU</a>, |
| <a href="ResponseAPDU.html">ResponseAPDU</a> |
| |
| <dt>Factory to obtain implementations |
| <dd> |
| <a href="TerminalFactory.html">TerminalFactory</a> |
| |
| <dt>Main classes for card and terminal functions |
| <dd> |
| <a href="CardTerminals.html">CardTerminals</a>, |
| <a href="CardTerminal.html">CardTerminal</a>, |
| <a href="Card.html">Card</a>, |
| <a href="CardChannel.html">CardChannel</a> |
| |
| <dt>Supporting permission and exception classes |
| <dd> |
| <a href="CardPermission.html">CardPermission</a>, |
| <a href="CardException.html">CardException</a>, |
| <a href="CardNotPresentException.html">CardNotPresentException</a> |
| |
| <dt>Service provider interface, not accessed directly by applications |
| <dd> |
| <a href="TerminalFactorySpi.html">TerminalFactorySpi</a> |
| |
| </dl> |
| |
| |
| <h3>API Example</h3> |
| |
| A simple example of using the API is: |
| <pre> |
| // show the list of available terminals |
| TerminalFactory factory = TerminalFactory.getDefault(); |
| List<CardTerminal> terminals = factory.terminals().list(); |
| System.out.println("Terminals: " + terminals); |
| // get the first terminal |
| CardTerminal terminal = terminals.get(0); |
| // establish a connection with the card |
| Card card = terminal.connect("T=0"); |
| System.out.println("card: " + card); |
| CardChannel channel = card.getBasicChannel(); |
| ResponseAPDU r = channel.transmit(new CommandAPDU(c1)); |
| System.out.println("response: " + toString(r.getBytes())); |
| // disconnect |
| card.disconnect(false); |
| </pre> |
| |
| @since 1.6 |
| @author Andreas Sterbenz |
| @author JSR 268 Expert Group |
| |
| </body> |
| </html> |
