org.lastbamboo.common.download
Class AbstractDownloader<T extends DownloaderState>

java.lang.Object
  org.lastbamboo.common.download.AbstractDownloader<T>

Type Parameters:

T - The downloader state type.

All Implemented Interfaces:

Downloader<T>

Direct Known Subclasses:

DummySha1Downloader, MultiSourceDownloader, Sha1Downloader

public abstract class AbstractDownloader<T extends DownloaderState>
extends Object
implements Downloader<T>

An abstract base class to help implement downloaders.

Constructor Summary

AbstractDownloader()
Initializes this abstract base class.

Method Summary

void	addListener(DownloaderListener<T> listener) Adds a listener to be notified of events of this downloader.
protected void	fireStateChanged(T state) Fires notification that this downloader's state has changed.
long	getStartTime() Accessor the time the download started.
void	removeListener(DownloaderListener<T> listener) Removes a listener that was being notified of events of this downloader.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.lastbamboo.common.download.Downloader

getCompleteFile, getFinalName, getIncompleteFile, getSize, getState, isStarted, pause, resume, start, stop, write

Constructor Detail

AbstractDownloader

public AbstractDownloader()

Initializes this abstract base class.

Method Detail

fireStateChanged

protected final void fireStateChanged(T state)

Fires notification that this downloader's state has changed.

Parameters:

state - The new state.

addListener

public final void addListener(DownloaderListener<T> listener)

Description copied from interface: Downloader

Adds a listener to be notified of events of this downloader.

Specified by:

addListener in interface Downloader<T extends DownloaderState>

Parameters:

listener - The listener to be notified.

removeListener

public void removeListener(DownloaderListener<T> listener)

Description copied from interface: Downloader

Removes a listener that was being notified of events of this downloader.

Specified by:

removeListener in interface Downloader<T extends DownloaderState>

Parameters:

listener - The listener to remove.

getStartTime

public long getStartTime()

Description copied from interface: Downloader

Accessor the time the download started.

Specified by:

getStartTime in interface Downloader<T extends DownloaderState>

Returns:

The time the download started.