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Interface IOListener

All Known Implementing Classes:

InputHandler, Navigator, OutputHandler

public interface IOListener

Listener interface for receiving store updates. Updates partly apply to explicit store requests and partly to the state of the database which is stored among multiple ZPad components (i.e. Transport Applet, Cover Applet etc...).

Field Summary

static int	CACHE_UPDATE The cache has been updated
static int	LOGIN_ADDED A new identity has been verified
static int	PASSWORD_ERROR A previously valid password now failed
static int	QUEUE_UPDATE The queue has been updated
static int	SHOW_OBJECT Show a particular object
static int	STORE_DONE Your store request has finished
static int	STORE_STARTED The store you requested has been started

Method Summary

void	ioStateChanged(WURL location, int info, String filename, Object arg) Called when there is info about how a store request is proceeding or about the state of an object in cache.
void	onException(WURL location, Exception e, String filename) Called when the store requested encountered an io exception.

Field Detail

STORE_STARTED

static final int STORE_STARTED

The store you requested has been started

See Also:

Constant Field Values

STORE_DONE

static final int STORE_DONE

Your store request has finished

See Also:

Constant Field Values

CACHE_UPDATE

static final int CACHE_UPDATE

The cache has been updated

See Also:

Constant Field Values

QUEUE_UPDATE

static final int QUEUE_UPDATE

The queue has been updated

See Also:

Constant Field Values

SHOW_OBJECT

static final int SHOW_OBJECT

Show a particular object

See Also:

Constant Field Values

PASSWORD_ERROR

static final int PASSWORD_ERROR

A previously valid password now failed

See Also:

Constant Field Values

LOGIN_ADDED

static final int LOGIN_ADDED

A new identity has been verified

See Also:

Constant Field Values

Method Detail

ioStateChanged

void ioStateChanged(WURL location,
                    int info,
                    String filename,
                    Object arg)

Called when there is info about how a store request is proceeding or about the state of an object in cache.

Parameters:

location - the location

info - one of the constants listed below.

filename - the name of the file the info is about.

arg - an optional argument that (e.g.) contains extra information

onException

void onException(WURL location,
                 Exception e,
                 String filename)

Called when the store requested encountered an io exception.

Parameters:

location - the location

e - the encountered exception.

filename - the name of the file the info is about.