opencard.core.terminal
Class CardTerminalIOBlender
java.lang.Object
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+--opencard.core.terminal.CardTerminalIOBlender
- public abstract class CardTerminalIOBlender
- extends java.lang.Object
A CardTerminalIOBlender processes (blends) user input for a
CardTerminal. You can set a CardTerminalIOBlender
through the CardTerminalIOControl parameter of
CardTerminal.keyboardInput().
- Version:
- $Id: CardTerminalIOBlender.java,v 1.2 1999/11/03 12:37:16 damke Exp $
- See Also:
CardTerminalIOControl,
CardTerminal
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Method Summary |
abstract int |
input(int character)
Process a single character of user input. |
abstract java.lang.String |
result()
Return the end product. |
| Methods inherited from class java.lang.Object |
clone,
equals,
finalize,
getClass,
hashCode,
notify,
notifyAll,
toString,
wait,
wait,
wait |
ioControl
protected CardTerminalIOControl ioControl
- A reference to our containing CardTerminalIOControl
object.
CardTerminalIOBlender
public CardTerminalIOBlender(CardTerminalIOControl ioControl)
- The constructor.
- Parameters:
ioControl - Control structure to be used by this I/O blender.
input
public abstract int input(int character)
- Process a single character of user input.
- Parameters:
character - The input character from the card reader.- Returns:
- -1 if the end of input has been reached;
0 else.
result
public abstract java.lang.String result()
- Return the end product.
- Returns:
- The resulting string.
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