Class ExternalException

java.lang.Object

java.lang.Throwable

java.lang.Exception

java.lang.RuntimeException

javacard.framework.CardRuntimeException

javacardx.external.ExternalException

public class ExternalException
extends CardRuntimeException

ExternalException represents an external subsystem related exception.

The API classes throw Java Card runtime environment-owned instances of ExternalException.

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.

Since:

2.2.2

Field Summary

Fields

Modifier and Type	Field	Description
static final short	INTERNAL_ERROR	This reason code is used to indicate that an unrecoverable external access error occurred.
static final short	INVALID_PARAM	This reason code is used to indicate that an input parameter is invalid.
static final short	NO_SUCH_SUBSYSTEM	This reason code is used to indicate that specified external subsystem is not available.

Constructor Summary

Constructors

Constructor	Description
ExternalException(short reason)	Constructs a ExternalException with the specified reason.

Method Summary

Modifier and Type	Method	Description
static void	throwIt(short reason)	Throws the Java Card runtime environment-owned instance of ExternalException with the specified reason.

Methods inherited from class CardRuntimeException

getReason, setReason

Modifier and Type	Method	Description
short	getReason()	Gets the reason code
void	setReason(short reason)	Sets the reason code.

Methods inherited from class Object

equals

Modifier and Type	Method	Description
boolean	equals(Object obj)	Compares two Objects for equality.

Field Details

NO_SUCH_SUBSYSTEM

public static final short NO_SUCH_SUBSYSTEM

This reason code is used to indicate that specified external subsystem is not available.

See Also:

• Constant Field Values

INVALID_PARAM

public static final short INVALID_PARAM

This reason code is used to indicate that an input parameter is invalid.

See Also:

• Constant Field Values

INTERNAL_ERROR

public static final short INTERNAL_ERROR

This reason code is used to indicate that an unrecoverable external access error occurred.

See Also:

• Constant Field Values

Constructor Details

ExternalException

public ExternalException(short reason)

Constructs a ExternalException 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 Details

throwIt

public static void throwIt(short reason)

Throws the Java Card runtime environment-owned instance of ExternalException 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, Java Card Platform, Classic Edition, section 6.2.1 for details.

Parameters:

reason - the reason for the exception

Throws:

ExternalException - always