com.android.repository.impl.downloader

Class LocalFileAwareDownloader

java.lang.Object

com.android.repository.impl.downloader.LocalFileAwareDownloader

All Implemented Interfaces:

Downloader

public class LocalFileAwareDownloader
extends java.lang.Object
implements Downloader

Decorator around another Downloader that handles file:/// URLs. Such URLs can be used for testing.

Constructor Summary

Constructors

Constructor and Description
LocalFileAwareDownloader(Downloader delegate)

Method Summary

Modifier and Type	Method and Description
java.io.InputStream	downloadAndStream(java.net.URL url, ProgressIndicator indicator) Gets a stream associated with the content at the given URL.
void	downloadFully(java.net.URL url, java.io.File target, java.lang.String checksum, ProgressIndicator indicator) Downloads the content at the given URL to the given file.
java.io.File	downloadFully(java.net.URL url, ProgressIndicator indicator) Downloads the content at the given URL to a temporary file and returns a handle to that file.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.android.repository.api.Downloader

hash

Constructor Detail

LocalFileAwareDownloader

public LocalFileAwareDownloader(@NonNull
                                Downloader delegate)

Method Detail

downloadAndStream

@Nullable
public java.io.InputStream downloadAndStream(@NonNull
                                                       java.net.URL url,
                                                       @NonNull
                                                       ProgressIndicator indicator)
                                                throws java.io.IOException

Description copied from interface: Downloader

Gets a stream associated with the content at the given URL. This could be achieved by downloading the file completely, streaming it directly, or some combination.

Specified by:

downloadAndStream in interface Downloader

Parameters:

url - The URL to fetch.

indicator - Facility for showing download progress and logging.

Returns:

An InputStream corresponding to the specified content, or null if the download is cancelled.

Throws:

java.io.IOException

downloadFully

@Nullable
public java.io.File downloadFully(@NonNull
                                            java.net.URL url,
                                            @NonNull
                                            ProgressIndicator indicator)
                                     throws java.io.IOException

Description copied from interface: Downloader

Downloads the content at the given URL to a temporary file and returns a handle to that file.

Specified by:

downloadFully in interface Downloader

Parameters:

url - The URL to fetch.

indicator - Facility for showing download progress and logging.

Returns:

The temporary file, or null if the download is cancelled.

Throws:

java.io.IOException

downloadFully

public void downloadFully(@NonNull
                          java.net.URL url,
                          @NonNull
                          java.io.File target,
                          @Nullable
                          java.lang.String checksum,
                          @NonNull
                          ProgressIndicator indicator)
                   throws java.io.IOException

Description copied from interface: Downloader

Downloads the content at the given URL to the given file.

Specified by:

downloadFully in interface Downloader

Parameters:

url - The URL to fetch.

target - The location to download to.

checksum - If specified, first check target to see if the given checksum matches the existing file. If so, returns immediately.

indicator - Facility for showing download progress and logging.

Throws:

java.io.IOException