// Create an API request that specifies that the mediaContent
// object is the thumbnail of the specified video.
Set thumbnailSet = youtube.thumbnails().set(videoId, mediaContent);
// Set the upload type and add an event listener.
MediaHttpUploader uploader = thumbnailSet.getMediaHttpUploader();
// Indicate whether direct media upload is enabled. A value of
// "True" indicates that direct media upload is enabled and that
// the entire media content will be uploaded in a single request.
// A value of "False," which is the default, indicates that the
// request will use the resumable media upload protocol, which
// supports the ability to resume an upload operation after a
// network interruption or other transmission failure, saving
// time and bandwidth in the event of network failures.
uploader.setDirectUploadEnabled(false);
// Set the upload state for the thumbnail image.
MediaHttpUploaderProgressListener progressListener = new MediaHttpUploaderProgressListener() {
@Override
public void progressChanged(MediaHttpUploader uploader) throws IOException {
switch (uploader.getUploadState()) {
// This value is set before the initiation request is
// sent.
case INITIATION_STARTED:
System.out.println("Initiation Started");
break;
// This value is set after the initiation request
// completes.
case INITIATION_COMPLETE:
System.out.println("Initiation Completed");
break;
// This value is set after a media file chunk is
// uploaded.
case MEDIA_IN_PROGRESS:
System.out.println("Upload in progress");
System.out.println("Upload percentage: " + uploader.getProgress());
break;
// This value is set after the entire media file has
// been successfully uploaded.
case MEDIA_COMPLETE:
System.out.println("Upload Completed!");
break;
// This value indicates that the upload process has
// not started yet.
case NOT_STARTED:
System.out.println("Upload Not Started!");
break;
}
}
};
uploader.setProgressListener(progressListener);
// Upload the image and set it as the specified video's thumbnail.
ThumbnailSetResponse setResponse = thumbnailSet.execute();
// Print the URL for the updated video's thumbnail image.