Java Card
v2.2.2

javacardx.external
Class ExternalException

java.lang.Object
  extended by java.lang.Throwable
      extended by java.lang.Exception
          extended by java.lang.RuntimeException
              extended by javacard.framework.CardRuntimeException
                  extended by 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

Java Card
v2.2.2

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