javazoom.download
Class DownloadSource

java.lang.Object
  javazoom.download.DownloadSource

All Implemented Interfaces:

java.io.Serializable

Direct Known Subclasses:

DownloadDatabaseSource, DownloadFolderSource, DownloadZipSource

public abstract class DownloadSource

extends java.lang.Object

implements java.io.Serializable

This class defines the API a DownloadSource extended class must implement. Depending on input XML file, Download4J will instanciate the needed DownloadSource.

See Also:

Serialized Form

Constructor Summary

DownloadSource(java.util.Properties props)

Method Summary

abstract void	download(FileInfo fi, java.io.OutputStream out) Sends file to download (binary) to end-user.
abstract int	getDataLength(FileInfo fi) Returns file length or -1 if file is not found or not readable.
java.util.Properties	getMeta()
abstract java.util.Vector	listFiles(Config c, boolean enablesubfolders) List files of underlying config.

Methods inherited from class java.lang.Object

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

Constructor Detail

DownloadSource

public DownloadSource(java.util.Properties props)

Method Detail

getMeta

public java.util.Properties getMeta()

getDataLength

public abstract int getDataLength(FileInfo fi)

Returns file length or -1 if file is not found or not readable.

Parameters:

fi - FileInfo to download

Returns:

file's length or -1

download

public abstract void download(FileInfo fi,
                              java.io.OutputStream out)
                       throws java.io.IOException

Sends file to download (binary) to end-user. This method will run in a thread created for each end-user.

Parameters:

fi - FileInfo to download

Throws:

java.io.IOException

listFiles

public abstract java.util.Vector listFiles(Config c,
                                           boolean enablesubfolders)

List files of underlying config.

Parameters:

c -

Returns: