Java Card API

externalexception

2017-05-22 16:43:57 M&W SmartCard 3

javacardx.external

Class ExternalException


public class ExternalExceptionextends CardRuntimeException

ExternalException represents an external subsystem related exception. TheAPIclasses 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 


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