Package gov.nasa.pds.registry.common.util.file

Class FileDownloader

java.lang.Object

gov.nasa.pds.registry.common.util.file.FileDownloader

public class FileDownloader
extends Object

File downloader with retry logic. By default, SSL certificate and host verification is disabled for HTTPS connections to support self-signed certificates. This can be turned off.

Author:

karpenko

Constructor Summary

Constructors

Constructor	Description
FileDownloader(boolean sslTrustAll)	Constructor

Method Summary

Modifier and Type	Method	Description
boolean	download(String fromUrl, File toFile)	Download a file from a URL.

Methods inherited from class java.lang.Object

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

Constructor Details

FileDownloader

public FileDownloader(boolean sslTrustAll)
               throws Exception

Constructor

Parameters:

sslTrustAll - Enable or disable SSL certificate and host validation to support self-signed certificates.

Throws:

Exception

Method Details

download

public boolean download(String fromUrl,
 File toFile)
                 throws IOException,
InterruptedException

Download a file from a URL. Retry several times on error.

Parameters:

fromUrl - Download a file from this URL.

toFile - Save to this file

Throws:

Exception - an exception

IOException

InterruptedException