org.pf4j.update

Class SimpleFileDownloader

java.lang.Object

org.pf4j.update.SimpleFileDownloader

All Implemented Interfaces:

FileDownloader

public class SimpleFileDownloader
extends Object
implements FileDownloader

Downloads a file from a URL.

Author:

Decebal Suiu

Constructor Summary

Constructors

Constructor and Description
SimpleFileDownloader()

Method Summary

Modifier and Type	Method and Description
protected Path	copyLocalFile(URL fileUrl) Efficient copy of file in case of local file system.
Path	downloadFile(URL fileUrl) Downloads a file.
protected Path	downloadFileHttp(URL fileUrl) Downloads file from HTTP or FTP.

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleFileDownloader

public SimpleFileDownloader()

Method Detail

downloadFile

public Path downloadFile(URL fileUrl)
                  throws IOException

Downloads a file. If HTTP(S) or FTP, stream content, if local file:/ do a simple filesystem copy to tmp folder. Other protocols not supported.

Specified by:

downloadFile in interface FileDownloader

Parameters:

fileUrl - the URI representing the file to download

Returns:

the path of downloaded/copied file

Throws:

IOException - in case of network or IO problems

org.pf4j.PluginRuntimeException - in case of other problems

copyLocalFile

protected Path copyLocalFile(URL fileUrl)
                      throws IOException

Efficient copy of file in case of local file system.

Parameters:

fileUrl - source file

Returns:

path of target file

Throws:

IOException - if problems during copy

org.pf4j.PluginRuntimeException - in case of other problems

downloadFileHttp

protected Path downloadFileHttp(URL fileUrl)
                         throws IOException

Downloads file from HTTP or FTP.

Parameters:

fileUrl - source file

Returns:

path of downloaded file

Throws:

IOException - if IO problems

org.pf4j.PluginRuntimeException - if validation fails or any other problems