Package opencard.core.terminal

Class CardTerminalIOControl

  • public class CardTerminalIOControl
extends java.lang.Object
    The CardTerminalIOControl class provides a means of fine-tuning the way a CardTerminal processes user input.

    You can specify

    Maximal number of input characters
    The maximal number of input characters permissible.
    Timeout value
    The time to wait for user input (in seconds).
    Input character set
    The set of characters to accept for input.
    Terminator character set
    The set of characters that terminate the user input.
    Input blender
    An object of type CardTerminalIOBlender that will process user input.
    Note, that if you provide a CardTerminalIOBlender it will override cause these setting to be ignored.

    Author:
    Dirk Husemann (hud@zurich.ibm.com)
    See Also:
    CardTerminal, CardTerminalIOBlender

    • Field Summary

      Fields 
      Modifier and Type Field Description
      static java.lang.String IS_NUMBERS
      Predefined set of input characters: Numbers only

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      CardTerminalIOBlender blender()
      Return the current CardTerminalIOBlender.
      java.lang.String inputSet()
      Return the current input character set.
      int maxInputChars()
      Return the current maximal number of input characters.
      java.lang.String terminatorSet()
      Return the current terminator character set.
      int timeout()
      Return the current timeout value.

      • Methods inherited from class java.lang.Object

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

    • Field Detail

      • IS_NUMBERS

        public static final java.lang.String IS_NUMBERS
        Predefined set of input characters: Numbers only
        See Also:
        Constant Field Values

    • Constructor Detail

      • CardTerminalIOControl

        public CardTerminalIOControl​(int maxInputChars,
                             int timeout,
                             java.lang.String inputSet,
                             java.lang.String terminatorSet)
        Constructor.

        Parameters:
        maxInputChars - The maximal number of input characters to accept; if 0 then assume no limit.
        timeout - The number of seconds to wait for user input.
        inputSet - A string specifying what characters to accept as user input.
        terminatorSet - A string specifying the characters that terminate the user input.

      • CardTerminalIOControl

        public CardTerminalIOControl​(CardTerminalIOBlender blender)
        Constructor using an I/O blender.
        Parameters:
        blender - An object of type CardTerminalIOBlender that will process the user input.

    • Method Detail

      • blender

        public CardTerminalIOBlender blender()
        Return the current CardTerminalIOBlender.

        Returns:
        The current CardTerminalIOBlender.

      • inputSet

        public java.lang.String inputSet()
        Return the current input character set.

        Returns:
        The current input character set.

      • terminatorSet

        public java.lang.String terminatorSet()
        Return the current terminator character set.

        Returns:
        The current terminator character set.

      • maxInputChars

        public int maxInputChars()
        Return the current maximal number of input characters.

        Returns:
        The current limit.

      • timeout

        public int timeout()
        Return the current timeout value.

        Returns:
        The current timeout.