org.to2mbn.jmccc.mcdownloader.download

Class AbstractDownloadCallback<T>

java.lang.Object

org.to2mbn.jmccc.mcdownloader.download.AbstractDownloadCallback<T>

All Implemented Interfaces:

Callback<T>, DownloadCallback<T>

public abstract class AbstractDownloadCallback<T>
extends Object
implements DownloadCallback<T>

Constructor Summary

Constructors

Constructor and Description
AbstractDownloadCallback()

Method Summary

Modifier and Type	Method and Description
void	cancelled() Calls when the operation has been cancelled.
void	done(T result) Calls when the operation completed successfully.
void	failed(Throwable e) Calls when the operation failed.
void	retry(Throwable e, int current, int max) Calls when download failed and the downloader will retry the download task.
void	updateProgress(long done, long total) Calls when the progress of the download operation updated.

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractDownloadCallback

public AbstractDownloadCallback()

Method Detail

done

public void done(T result)

Description copied from interface: Callback

Calls when the operation completed successfully.

Specified by:

done in interface Callback<T>

Parameters:

result - the result of the async operation

failed

public void failed(Throwable e)

Description copied from interface: Callback

Calls when the operation failed.

Specified by:

failed in interface Callback<T>

Parameters:

e - the thrown exception

cancelled

public void cancelled()

Description copied from interface: Callback

Calls when the operation has been cancelled.

Specified by:

cancelled in interface Callback<T>

updateProgress

public void updateProgress(long done,
                           long total)

Description copied from interface: DownloadCallback

Calls when the progress of the download operation updated.

Specified by:

updateProgress in interface DownloadCallback<T>

Parameters:

done - the bytes downloaded

total - the total bytes, -1 if unknown

retry

public void retry(Throwable e,
                  int current,
                  int max)

Description copied from interface: DownloadCallback

Calls when download failed and the downloader will retry the download task.

Notes: Callback.failed(Throwable) will be called only when the download failed and the downloader won't retry it any more. If the downloader will retry the download task, this method will be called, instead of Callback.failed(Throwable).

Specified by:

retry in interface DownloadCallback<T>

Parameters:

e - the cause of download failure

current - the retry count (1 for the first, max-1 for the latest)

max - the max number of tries