org.bff.javampd.monitor
Class MPDEventRelayer

java.lang.Object
  org.bff.javampd.monitor.MPDEventMonitor
      org.bff.javampd.monitor.MPDEventRelayer

All Implemented Interfaces:

java.lang.Runnable, MPDChangeListener, PlayerChangeListener, PlaylistChangeListener

public class MPDEventRelayer
extends MPDEventMonitor
implements java.lang.Runnable, PlayerChangeListener, PlaylistChangeListener, MPDChangeListener

MPDEventRelayer is a convenience class for relaying events from MPDPlaylist, MPDPlayer, and MPDAdmin. There is overhead involved when using this class as an extra set of listeners is maintained. This class simply registers as a listener to the above classes and relays those events to listeners of this class. Track position and connection events are also fired at given delays. If events are desired from directly querying the connection use MPDStandAloneMonitor.

Constructor Summary

MPDEventRelayer(MPD mpd)
Creates a new instance of MPDEventMonitor using the default delay of 1 second for TrackPositionChangeEvents

MPDEventRelayer(MPD mpd, int delay)
Creates a new instance of MPDEventMonitor using the given delay for TrackPositionChangeEvents

Method Summary

void	addMPDChangeListener(MPDChangeListener mcl) Adds a MPDChangeListener to this object to receive MPDChangeEvents.
void	addPlayerChangeListener(PlayerChangeListener pcl) Adds a PlayerChangeListener to this object to receive PlayerChangeEvents.
void	addVolumeChangeListener(VolumeChangeListener vcl) Adds a VolumeChangeListener to this object to receive VolumeChangeEvents.
protected void	fireMPDChangeEvent(int id) Sends the appropriate MPDChangeEvent to all registered MPDChangeListeners.
protected void	firePlayerChangeEvent(int id) Sends the appropriate PlayerChangeEvent to all registered PlayerChangeListeners.
protected void	firePlaylistChangeEvent(int id) Sends the appropriate PlaylistChangeEvent to all registered PlaylistChangeListener.
protected void	fireVolumeChangeEvent(int volume) Sends the appropriate VolumeChangeEvent to all registered VolumeChangeListener.
boolean	isStopped() Returns true if the monitor is stopped, false if the monitor is still running.
void	mpdChanged(MPDChangeEvent event) Invoked when a mpd administrative change action occurs.
void	playerChanged(PlayerChangeEvent event) Invoked when a player change event occurs.
void	playlistChanged(PlaylistChangeEvent event) Invoked when a mpd playlist change event occurs.
void	removeMPDChangedListener(MPDChangeListener mcl) Removes a MPDChangeListener from this object.
void	removePlayerChangedListener(PlayerChangeListener pcl) Removes a PlayerChangeListener from this object.
void	removeVolumeChangedListener(VolumeChangeListener vcl) Removes a VolumeChangeListener from this object.
void	run() Implements the Runnable run method to monitor the MPD connection.
void	start() Starts the monitor by creating and starting a thread using this instance as the Runnable interface.
void	stop() Stops the thread.

Methods inherited from class org.bff.javampd.monitor.MPDEventMonitor

addConnectionChangeListener, addTrackPositionChangeListener, checkConnection, checkTrackPosition, fireConnectionChangeEvent, fireTrackPositionChangeEvent, removeConnectionChangeListener, removeTrackPositionChangeListener

Methods inherited from class java.lang.Object

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

Constructor Detail

MPDEventRelayer

public MPDEventRelayer(MPD mpd)

Creates a new instance of MPDEventMonitor using the default delay of 1 second for TrackPositionChangeEvents

Parameters:

mpd - the MPD Connection

MPDEventRelayer

public MPDEventRelayer(MPD mpd,
                       int delay)

Creates a new instance of MPDEventMonitor using the given delay for TrackPositionChangeEvents

Parameters:

mpd - the MPD Connection

delay - the amount of delay in seconds

Method Detail

playerChanged

public void playerChanged(PlayerChangeEvent event)

Invoked when a player change event occurs.

Specified by:

playerChanged in interface PlayerChangeListener

Parameters:

event - the event fired

mpdChanged

public void mpdChanged(MPDChangeEvent event)

Invoked when a mpd administrative change action occurs.

Specified by:

mpdChanged in interface MPDChangeListener

Parameters:

event - the event received

playlistChanged

public void playlistChanged(PlaylistChangeEvent event)

Invoked when a mpd playlist change event occurs.

Specified by:

playlistChanged in interface PlaylistChangeListener

Parameters:

event - the event received

addPlayerChangeListener

public void addPlayerChangeListener(PlayerChangeListener pcl)

Adds a PlayerChangeListener to this object to receive PlayerChangeEvents.

Parameters:

pcl - the PlayerChangeListener to add

removePlayerChangedListener

public void removePlayerChangedListener(PlayerChangeListener pcl)

Removes a PlayerChangeListener from this object.

Parameters:

pcl - the PlayerChangeListener to remove

addMPDChangeListener

public void addMPDChangeListener(MPDChangeListener mcl)

Adds a MPDChangeListener to this object to receive MPDChangeEvents.

Parameters:

mcl - the MPDChangeListener to add

removeMPDChangedListener

public void removeMPDChangedListener(MPDChangeListener mcl)

Removes a MPDChangeListener from this object.

Parameters:

mcl - the MPDChangeListener to remove

addVolumeChangeListener

public void addVolumeChangeListener(VolumeChangeListener vcl)

Adds a VolumeChangeListener to this object to receive VolumeChangeEvents.

Parameters:

vcl - the VolumeChangeListener to add

removeVolumeChangedListener

public void removeVolumeChangedListener(VolumeChangeListener vcl)

Removes a VolumeChangeListener from this object.

Parameters:

vcl - the VolumeChangeListener to remove

fireMPDChangeEvent

protected void fireMPDChangeEvent(int id)

Sends the appropriate MPDChangeEvent to all registered MPDChangeListeners.

Parameters:

id - the event id to send

firePlayerChangeEvent

protected void firePlayerChangeEvent(int id)

Sends the appropriate PlayerChangeEvent to all registered PlayerChangeListeners.

Parameters:

id - the event id to send

firePlaylistChangeEvent

protected void firePlaylistChangeEvent(int id)

Sends the appropriate PlaylistChangeEvent to all registered PlaylistChangeListener.

Parameters:

id - the event id to send

fireVolumeChangeEvent

protected void fireVolumeChangeEvent(int volume)

Sends the appropriate VolumeChangeEvent to all registered VolumeChangeListener.

Parameters:

volume - the new volume

run

public void run()

Implements the Runnable run method to monitor the MPD connection.

Specified by:

run in interface java.lang.Runnable

start

public void start()

Starts the monitor by creating and starting a thread using this instance as the Runnable interface.

stop

public void stop()

Stops the thread.

isStopped

public boolean isStopped()

Returns true if the monitor is stopped, false if the monitor is still running.

Returns:

true if monitor is running, false otherwise false