Class ExternalException

  • All Implemented Interfaces:
    java.io.Serializable
    Direct Known Subclasses:
    ExternalExceptionSubclass

    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
    See Also:
    Serialized Form
    • Field Summary

      Fields 
      Modifier and Type Field Description
      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

      Constructors 
      Constructor Description
      ExternalException​(short reason)
      Constructs a ExternalException with the specified reason.
    • Method Summary

      All Methods Static Methods Concrete Methods 
      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 java.lang.Throwable

        addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
    • 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