javacardx.external
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

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

Constructor Summary

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

Method Summary

static void

throwIt(short reason) Throws the Java Card runtime environment-owned instance of ExternalException with the specified reason.

Methods inherited from class javacard.framework.CardRuntimeException

getReason, setReason

Methods inherited from class java.lang.Object

equals

Field Detail

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 Detail

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 Detail

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 for the Java Card Platform, section 6.2.1 for details.

Parameters:

reason - the reason for the exception

Throws:

ExternalException - always