com.facebook.buck.file.downloader.impl

Class HttpDownloader

java.lang.Object

com.facebook.buck.file.downloader.impl.HttpDownloader

All Implemented Interfaces:

Toolchain, AuthAwareDownloader, Downloader

public class HttpDownloader
extends Object
implements Downloader, AuthAwareDownloader

Download a file over HTTP.

Field Summary

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

DEFAULT_NAME

Constructor Summary

Constructors

Constructor and Description
HttpDownloader()
HttpDownloader(Optional<Proxy> proxy)

Method Summary

Modifier and Type	Method and Description
protected HttpURLConnection	createConnection(URI uri)
boolean	fetch(BuckEventBus eventBus, URI uri, Optional<PasswordAuthentication> authentication, Path output)
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

Constructor Detail

HttpDownloader

public HttpDownloader()

HttpDownloader

public HttpDownloader(Optional<Proxy> proxy)

Method Detail

fetch

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

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.

Throws:

IOException - Should an exception be thrown when downloading.

fetch

public boolean fetch(BuckEventBus eventBus,
                     URI uri,
                     Optional<PasswordAuthentication> authentication,
                     Path output)
              throws IOException

Specified by:

fetch in interface AuthAwareDownloader

Throws:

IOException

createConnection

protected HttpURLConnection createConnection(URI uri)
                                      throws IOException

Throws:

IOException