org.springframework.roo.shell.event
Class AbstractShellStatusPublisher

java.lang.Object
  org.springframework.roo.shell.event.AbstractShellStatusPublisher

All Implemented Interfaces:

ShellStatusProvider

Direct Known Subclasses:

AbstractShell

public abstract class AbstractShellStatusPublisher
extends Object
implements ShellStatusProvider

Provides a convenience superclass for those shells wishing to publish status messages.

Since:

1.0

Author:

Ben Alex

Field Summary

protected ShellStatus	shellStatus
protected Set<ShellStatusListener>	shellStatusListeners

Constructor Summary

AbstractShellStatusPublisher()

Method Summary

void	addShellStatusListener(ShellStatusListener shellStatusListener) Registers a new status listener.
ShellStatus	getShellStatus() Returns the current shell status.
void	removeShellStatusListener(ShellStatusListener shellStatusListener) Removes an existing status listener.
protected void	setShellStatus(ShellStatus shellStatus)

Methods inherited from class java.lang.Object

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

Field Detail

shellStatusListeners

protected Set<ShellStatusListener> shellStatusListeners

shellStatus

protected ShellStatus shellStatus

Constructor Detail

AbstractShellStatusPublisher

public AbstractShellStatusPublisher()

Method Detail

addShellStatusListener

public final void addShellStatusListener(ShellStatusListener shellStatusListener)

Description copied from interface: ShellStatusProvider

Registers a new status listener.

Specified by:

addShellStatusListener in interface ShellStatusProvider

Parameters:

shellStatusListener - to register (cannot be null)

removeShellStatusListener

public final void removeShellStatusListener(ShellStatusListener shellStatusListener)

Description copied from interface: ShellStatusProvider

Removes an existing status listener.

If the presented status listener is not found, the method returns without exception.

Specified by:

removeShellStatusListener in interface ShellStatusProvider

Parameters:

shellStatusListener - to remove (cannot be null)

getShellStatus

public final ShellStatus getShellStatus()

Description copied from interface: ShellStatusProvider

Returns the current shell status.

Specified by:

getShellStatus in interface ShellStatusProvider

Returns:

the current status (never null)

setShellStatus

protected void setShellStatus(ShellStatus shellStatus)