Package com.helger.commons.url

Interface IURLDownloader

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface IURLDownloader

Callback interface to download data from web. Used e.g. for CRL downloads.

Since:

11.2.0

Author:

Philip Helger

Method Summary

Modifier and Type	Method	Description
static IURLDownloader	createDefault()
byte[]	downloadURL(String sURL)	Download the content of the provided URL

Method Details

downloadURL

@Nullable
byte[] downloadURL(@Nonnull @Nonempty
 String sURL)
            throws Exception

Download the content of the provided URL

Parameters:

sURL - The CRL URL to download. Neither null nor empty.

Returns:

null if no payload was returned

Throws:

Exception - In case of error

createDefault

@Nonnull
static IURLDownloader createDefault()

Returns:

The default URL downloader using URL.openStream(). Never null.