org.directwebremoting.impl
Class PurgingDownloadManager

java.lang.Object
  org.directwebremoting.impl.PurgingDownloadManager

All Implemented Interfaces:

DownloadManager

Direct Known Subclasses:

FileStoreDownloadManager, InMemoryDownloadManager

public abstract class PurgingDownloadManager
extends java.lang.Object
implements DownloadManager

A DownloadManager that simply stores downloads in memory until they are requested and then removes them.

Author:

Joe Walker [joe at getahead dot ltd dot uk]

Nested Class Summary

class

PurgingDownloadManager.DownloadPurge Loop over the known downloads removing the ones that are out of date

Constructor Summary

PurgingDownloadManager()

Method Summary

java.lang.String	addFileTransfer(FileTransfer generator) Inject a file into the system for later download.
void	setDownloadHandlerUrl(java.lang.String downloadHandlerUrl) The URL part which we attach to the downloads.
void	setIdGenerator(IdGenerator idGenerator)
void	setPurgeDownloadsAfter(long purgeDownloadsAfter)
void	setScheduledThreadPoolExecutor(java.util.concurrent.ScheduledThreadPoolExecutor executor)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.directwebremoting.extend.DownloadManager

getFileTransfer

Constructor Detail

PurgingDownloadManager

public PurgingDownloadManager()

Method Detail

addFileTransfer

public java.lang.String addFileTransfer(FileTransfer generator)
                                 throws java.io.IOException

Description copied from interface: DownloadManager

Inject a file into the system for later download.

Specified by:

addFileTransfer in interface DownloadManager

Parameters:

generator - The representation of the file to inject

Returns:

A URL for how to allow download of this data at a later time

Throws:

java.io.IOException - If there are problems reading from the FileTransfer

setDownloadHandlerUrl

public void setDownloadHandlerUrl(java.lang.String downloadHandlerUrl)

The URL part which we attach to the downloads.

Parameters:

downloadHandlerUrl - The URL for this Handler.

setPurgeDownloadsAfter

public void setPurgeDownloadsAfter(long purgeDownloadsAfter)

Parameters:

purgeDownloadsAfter - the purgeDownloadsAfter to set

setScheduledThreadPoolExecutor

public void setScheduledThreadPoolExecutor(java.util.concurrent.ScheduledThreadPoolExecutor executor)

Parameters:

executor - The DWR provided shutdown system

setIdGenerator

public void setIdGenerator(IdGenerator idGenerator)

Parameters:

idGenerator - The configured ID generator