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javacard.framework
Class UserException

java.lang.Object
  java.lang.Throwable
      java.lang.Exception
          javacard.framework.CardException
              javacard.framework.UserException

All Implemented Interfaces:

Serializable

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public class UserException
extends CardException

UserException represents a User exception. This class also provides a resource-saving mechanism (the throwIt() method) for user exceptions by using a Java Card runtime environment-owned instance.

Java Card runtime environment-owned instances of exception classes are temporary Java Card runtime environment 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 Runtime Environment Specification for the Java Card Platform, section 6.2.1 for details.

See Also:

Serialized Form

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Constructor Summary
UserException()           Constructs a UserException with reason = 0.
UserException(short reason)           Constructs a UserException with the specified reason.

 

Method Summary
static void	throwIt(short reason)           Throws the Java Card runtime environment-owned instance of UserException with the specified reason.

 

Methods inherited from class javacard.framework.CardException
getReason, setReason

 

Methods inherited from class java.lang.Throwable
fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString

 

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

 

Constructor Detail

UserException

public UserException()

Constructs a UserException with reason = 0. To conserve on resources use throwIt() to use the Java Card runtime environment-owned instance of this class.

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UserException

public UserException(short reason)

Constructs a UserException with the specified reason. To conserve on resources use throwIt() to use the Java Card runtime environment-owned instance of this class.

Parameters:

reason - the reason for the exception

Method Detail

throwIt

public static void throwIt(short reason)
                    throws UserException

Throws the Java Card runtime environment-owned instance of UserException with the specified reason.

Java Card runtime environment-owned instances of exception classes are temporary Java Card runtime environment 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 Runtime Environment Specification for the Java Card Platform, section 6.2.1 for details.

Parameters:

reason - the reason for the exception

Throws:

UserException - always

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