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java.lang.Object java.lang.Throwable java.lang.Exception javacard.framework.CardException javacard.framework.UserException
UserException
represents a User exception.
This class also provides a resource-saving mechanism (the throwIt()
method) for user
exceptions by using a JCRE owned instance.
JCRE owned instances of exception classes are temporary JCRE Entry Point Objects and can be accessed from any applet context. References to these temporary objects cannot be stored in class variables or instance variables or array components. See Java Card Runtime Environment (JCRE) Specification, section 6.2.1 for details.
Constructor Summary | |
UserException()
Constructs a UserException with reason = 0. |
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UserException(short reason)
Constructs a UserException with the specified reason. |
Method Summary | |
static void |
throwIt(short reason)
Throws the JCRE owned instance of UserException with the specified reason. |
Methods inherited from class javacard.framework.CardException |
getReason, setReason |
Methods inherited from class java.lang.Object |
equals |
Constructor Detail |
public UserException()
UserException
with reason = 0.
To conserve on resources use throwIt()
to use the JCRE owned instance of this class.
public UserException(short reason)
UserException
with the specified reason.
To conserve on resources use throwIt()
to use the JCRE owned instance of this class.
reason
- the reason for the exception.Method Detail |
public static void throwIt(short reason) throws UserException
UserException
with the specified reason.
JCRE owned instances of exception classes are temporary JCRE Entry Point Objects and can be accessed from any applet context. References to these temporary objects cannot be stored in class variables or instance variables or array components. See Java Card Runtime Environment (JCRE) Specification, section 6.2.1 for details.
reason
- the reason for the exception.
UserException
- always.
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