CardTerminalIOBlender

java.lang.Object
- 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().

Author:

Dirk Huseman (hud@zurich.ibm.com)

See Also:

CardTerminalIOControl, CardTerminal

Field Summary

Fields
Modifier and Type Field Description

protected CardTerminalIOControl ioControl
A reference to our containing CardTerminalIOControl object.

Constructor Summary

Constructors
Constructor Description

CardTerminalIOBlender(CardTerminalIOControl ioControl)
The constructor.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`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

- Field Detail
  - ioControl
```
protected CardTerminalIOControl ioControl
```
    A reference to our containing CardTerminalIOControl object.
- Constructor Detail
  - CardTerminalIOBlender
```
public CardTerminalIOBlender(CardTerminalIOControl ioControl)
```
    The constructor.
    
    Parameters:
    
    ioControl - Control structure to be used by this I/O blender.
- Method Detail
  - 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.