public static SmartCardManager getInstance()
{
if (mSCManager == null)
{
mSCManager = new SmartCardManager();
return(mSCManager);
}
else
{
//Check is there any change
try
{
//If there is a new card in the system, user will select a smartcard.
//Create new SmartCard.
if (mSCManager.getSlotCount() < SmartOp.getCardTerminals().Length)
{
Console.WriteLine("New card pluged in to system");
mSCManager = null;
return(getInstance());
}
//If used card is removed, select new card.
String availableSerial = null;
try
{
availableSerial = StringUtil.ToString(mSCManager.getBasicSmartCard().getSerial());
}
catch (SmartCardException ex)
{
Console.WriteLine("Card removed");
mSCManager = null;
return(getInstance());
}
if (!mSCManager.getSelectedSerialNumber().Equals(availableSerial))
{
Console.WriteLine("Serial number changed. New card is placed to system");
mSCManager = null;
return(getInstance());
}
return(mSCManager);
}
catch (SmartCardException e)
{
mSCManager = null;
throw;
}
}
}
public static void reset()
{
mSCManager = null;
}