org.directwebremoting.extend
Class DataUrlDownloadManager

java.lang.Object
  org.directwebremoting.extend.DataUrlDownloadManager

All Implemented Interfaces:

DownloadManager

public class DataUrlDownloadManager
extends java.lang.Object
implements DownloadManager

A download manager that works my returning a data: URL so the data is sent directly without waiting in some store.

This method has the benefit that it works in a clustered environment and is quite simple. However it does not work in IE.

Author:

Jose Noheda [jose dot noheda at gmail dot com], Joe Walker [joe at getahead dot ltd dot uk]

Constructor Summary

DataUrlDownloadManager()

Method Summary

java.lang.String	addFileTransfer(FileTransfer transfer) Inject a file into the system for later download.
FileTransfer	getFileTransfer(java.lang.String id) Retrieve a FileGenerator given the id that it was stored under

Methods inherited from class java.lang.Object

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

Constructor Detail

DataUrlDownloadManager

public DataUrlDownloadManager()

Method Detail

addFileTransfer

public java.lang.String addFileTransfer(FileTransfer transfer)
                                 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:

transfer - 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

getFileTransfer

public FileTransfer getFileTransfer(java.lang.String id)

Description copied from interface: DownloadManager

Retrieve a FileGenerator given the id that it was stored under

Specified by:

getFileTransfer in interface DownloadManager

Parameters:

id - The id to lookup

Returns:

The matching FileGenerator or null if no match was found