com.facebook.buck.file.downloader.impl

Class StackedDownloader

java.lang.Object

com.facebook.buck.file.downloader.impl.StackedDownloader

All Implemented Interfaces:

Toolchain, Downloader

public class StackedDownloader
extends Object
implements Downloader

A Downloader which is composed of many other downloaders. When asked to download a resource, these are each called in order until one succeeds or the final one fails.

Field Summary

Fields inherited from interface com.facebook.buck.file.downloader.Downloader

DEFAULT_NAME

Method Summary

Modifier and Type	Method and Description
static Downloader	createFromConfig(BuckConfig config, ToolchainProvider toolchainProvider, TargetConfiguration toolchainTargetConfiguration)
boolean	fetch(BuckEventBus eventBus, URI uri, Path output) Download the given URL and, upon a successful download, place it in output.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.facebook.buck.file.downloader.Downloader

getName

Method Detail

createFromConfig

public static Downloader createFromConfig(BuckConfig config,
                                          ToolchainProvider toolchainProvider,
                                          TargetConfiguration toolchainTargetConfiguration)

fetch

public boolean fetch(BuckEventBus eventBus,
                     URI uri,
                     Path output)

Description copied from interface: Downloader

Download the given URL and, upon a successful download, place it in output. Note that if a Downloader can't handle the URI.scheme then false will be returned.

Specified by:

fetch in interface Downloader

Returns:

Whether or not the download succeeded.