org.gudy.azureus2.pluginsimpl.local.utils.resourcedownloader
Class ResourceDownloaderAlternateImpl

java.lang.Object
  org.gudy.azureus2.pluginsimpl.local.utils.resourcedownloader.ResourceDownloaderBaseImpl
      org.gudy.azureus2.pluginsimpl.local.utils.resourcedownloader.ResourceDownloaderAlternateImpl

All Implemented Interfaces:

ResourceDownloader, ResourceDownloaderListener

public class ResourceDownloaderAlternateImpl
extends ResourceDownloaderBaseImpl
implements ResourceDownloaderListener

Field Summary

protected boolean	cancelled
protected ResourceDownloader	current_downloader
protected int	current_index
protected ResourceDownloader[]	delegates
protected AESemaphore	done_sem
protected int	max_to_try
protected boolean	random
protected Object	result
protected long	size

Fields inherited from class org.gudy.azureus2.pluginsimpl.local.utils.resourcedownloader.ResourceDownloaderBaseImpl

this_mon

Fields inherited from interface org.gudy.azureus2.plugins.utils.resourcedownloader.ResourceDownloader

PR_STRING_CONTENT_TYPE

Constructor Summary

ResourceDownloaderAlternateImpl(ResourceDownloaderBaseImpl _parent, ResourceDownloader[] _delegates, int _max_to_try, boolean _random)

Method Summary

void	asyncDownload() Asynchronously download.
void	cancel() Cancel the download.
boolean	completed(ResourceDownloader downloader, InputStream data)
InputStream	download() Synchronously download.
void	failed(ResourceDownloader downloader, ResourceDownloaderException e)
ResourceDownloaderBaseImpl	getClone(ResourceDownloaderBaseImpl parent)
String	getName() Get a sensible name for the download based on its details (e.g.
long	getSize() Attempts to get the size of the download.
void	setProperty(String name, Object value)
protected void	setSize(long l)

Methods inherited from class org.gudy.azureus2.pluginsimpl.local.utils.resourcedownloader.ResourceDownloaderBaseImpl

addChild, addListener, addReportListener, getBooleanProperty, getChildren, getClone, getLCKeyProperties, getLogIndent, getLongProperty, getParent, getProperty, getPropertySupport, getStringProperty, getStringPropertySupport, informActivity, informAmountComplete, informComplete, informFailed, informPercentDone, isCancelled, removeChild, removeListener, reportActivity, reportActivity, reportAmountComplete, reportPercentComplete, setCancelled, setParent, setProperties, setPropertiesSet, setPropertySupport

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.gudy.azureus2.plugins.utils.resourcedownloader.ResourceDownloaderListener

reportActivity, reportAmountComplete, reportPercentComplete

Field Detail

delegates

protected ResourceDownloader[] delegates

max_to_try

protected int max_to_try

random

protected boolean random

cancelled

protected boolean cancelled

current_downloader

protected ResourceDownloader current_downloader

current_index

protected int current_index

result

protected Object result

done_sem

protected AESemaphore done_sem

size

protected long size

Constructor Detail

ResourceDownloaderAlternateImpl

public ResourceDownloaderAlternateImpl(ResourceDownloaderBaseImpl _parent,
                                       ResourceDownloader[] _delegates,
                                       int _max_to_try,
                                       boolean _random)

Method Detail

getName

public String getName()

Description copied from interface: ResourceDownloader

Get a sensible name for the download based on its details (e.g. URL)

Specified by:

getName in interface ResourceDownloader

Returns:

getSize

public long getSize()
             throws ResourceDownloaderException

Description copied from interface: ResourceDownloader

Attempts to get the size of the download. Returns -1 if the size can't be determined.

Note: You must not call this method from the reportActivity callback method.

Specified by:

getSize in interface ResourceDownloader

Throws:

ResourceDownloaderException

setSize

protected void setSize(long l)

Specified by:

setSize in class ResourceDownloaderBaseImpl

setProperty

public void setProperty(String name,
                        Object value)
                 throws ResourceDownloaderException

Specified by:

setProperty in interface ResourceDownloader

Throws:

ResourceDownloaderException

getClone

public ResourceDownloaderBaseImpl getClone(ResourceDownloaderBaseImpl parent)

Specified by:

getClone in class ResourceDownloaderBaseImpl

download

public InputStream download()
                     throws ResourceDownloaderException

Description copied from interface: ResourceDownloader

Synchronously download. Events are still reported to listeners

Specified by:

download in interface ResourceDownloader

Returns:

Throws:

ResourceDownloaderException

asyncDownload

public void asyncDownload()

Description copied from interface: ResourceDownloader

Asynchronously download.

Specified by:

asyncDownload in interface ResourceDownloader

cancel

public void cancel()

Description copied from interface: ResourceDownloader

Cancel the download.

Specified by:

cancel in interface ResourceDownloader

completed

public boolean completed(ResourceDownloader downloader,
                         InputStream data)

Specified by:

completed in interface ResourceDownloaderListener

Returns:

return true if the completed download is OK. If false is returned then if there are alternative download sources they will be tried. If there are no other sources then the download will be "failed"

failed

public void failed(ResourceDownloader downloader,
                   ResourceDownloaderException e)

Specified by:

failed in interface ResourceDownloaderListener