// Returns whether a card is present in this terminal.
// Throws:
// CardException - if the status could not be determined
public boolean isCardPresent() throws CardException {
if (verbosity > 0) {
System.out.println("JC terminal " + port + " isCardPresent");
}
try {
ensure_terminal_is_open();
if (jc_terminal.getState() == RemoteJCTerminal.CARD_PRESENT) {
return true;
} else {
// When I tried it getState on the emulator gave either
// RemoteJCTerminal.CARD_PRESENT or threw an exception.
// So this is fishy here!
ensure_terminal_is_closed();
return false;
}
} catch (JCException e) {
if (e.errorCode == JCException.TERMINAL_ERROR) {
// No emulator listens on this port.
ensure_terminal_is_closed();
return false;
} else {
// Other exceptions are propagated.
throw new CardException(e);
}
}
}
void ensure_terminal_is_open() {
if (!terminal_is_open) {
if (verbosity > 0) {
System.out.println("JC open jc_terminal");
}
jc_terminal.open();
terminal_is_open = true;
}
}
void ensure_terminal_is_closed() {
if (terminal_is_open) {
if (verbosity > 0) {
System.out.println("JC close jc_terminal");
}
try {
jc_terminal.close();
} finally {
terminal_is_open = false;
}
}
}
// Establishes a connection to the card. If a connection has
// previously established using the specified protocol, this method
// returns the same Card object as the previous call.
//
// Parameters:
// protocol - the protocol to use ("T=0", "T=1", or "T=CL"), or
// "*" to connect using any available protocol.
//
// Throws:
// NullPointerException - if protocol is null
// IllegalArgumentException - if protocol is an invalid protocol
// specification
// CardNotPresentException - if no card is present in this terminal
//
// CardException - if a connection could not be established using
// the specified protocol or if a connection has
// previously been established using a different
// protocol
//
// SecurityException - if a SecurityManager exists and the caller
// does not have the required permission
public Card connect(String protocol_name) throws CardNotPresentException, CardException {
try {
if (verbosity > 0) {
System.out.println("JC terminal " + port + " connect");
}
byte[] atrbytes;
if (terminal_is_open) {
try {
atrbytes = jc_terminal.waitForCard(0);
} catch (JCException e) {
// Maybe someone restarted the emulator since when
// we opened the connection. Reopen and try again
// in this case.
if (e.errorCode == JCException.TERMINAL_ERROR) {
ensure_terminal_is_closed();
ensure_terminal_is_open();
atrbytes = jc_terminal.waitForCard(0);
} else throw e;
}
} else {
ensure_terminal_is_open();
atrbytes = jc_terminal.waitForCard(0);
}
ATR smio_atr = new ATR(atrbytes);
JCard card = new JCard(jc_terminal, null, 0);
return new Emulator_connection_card(
this, card,
smio_atr, verbosity);
} catch (JCException e) {
if (e.errorCode == JCException.TERMINAL_ERROR) {
throw new CardNotPresentException(e.getMessage(), e);
} else {
throw new CardException("connection failure", e);
}
}
}
Emulator_connection_terminal(int port, int verbosity) {
this.port = port;
this.verbosity = verbosity;
jc_terminal = new RemoteJCTerminal();
jc_terminal.init(String.format("localhost:%d", port));
if (verbosity > 0) System.out.println("JC terminal " + port + " constructur");
// try {
// jc_terminal.open();
// System.out.println("opened");
// try{Thread.sleep(5000);} catch(InterruptedException e) {}
// System.out.println("continue");
// byte[] atrbytes = jc_terminal.waitForCard(0);
// }
// catch(JCException e) {
// System.out.format("caught JCE %s code %d (%s)\n",
// e.getMessage(),
// e.errorCode,
// e.toString());
// e.printStackTrace();
// }
}
