public abstract class IOPosition extends Object
Client usage:
InputOutput io = ...; // store current position of IO IOPosition.Position pos = IOPosition.currentPosition(io); ... // scroll to stored position pos.scrollTo();How to support
IOPosition in own IOProvider implementation:
InputOutput provided by IOProvider has to implement Lookup.Provider
IOPosition and implement its abstract methods
IOPosition to Lookup provided by InputOutput
| Modifier and Type | Class and Description |
|---|---|
static interface |
IOPosition.Position |
| Constructor and Description |
|---|
IOPosition() |
| Modifier and Type | Method and Description |
|---|---|
protected abstract IOPosition.Position |
currentPosition()
Gets current position in IO
|
static IOPosition.Position |
currentPosition(InputOutput io)
Gets current position (in number of chars) in IO
|
static boolean |
isSupported(InputOutput io)
Checks whether this feature is supported for provided IO
|
public static IOPosition.Position currentPosition(InputOutput io)
io - IO to operate onpublic static boolean isSupported(InputOutput io)
io - IO to check onprotected abstract IOPosition.Position currentPosition()
Built on August 24 2014. | Portions Copyright 1997-2014 Sun Microsystems, Inc. All rights reserved.