public UpdateTask(IAppParser appParser, IAppIndexer indexer, IUpdateNotifier notifier,
IKernel kernel, ProgramSettings settings)
: base(settings) {
this.appParser = appParser;
this.indexer = indexer;
this.notifier = notifier;
this.kernel = kernel;
limit = settings.BatchSize / 200 * 200; // 因为Search API是200一批，找个最接近的200的倍数，以免浪费
}
public void Download(IUpdateNotifier updateNotifier)
{
lock (_LockObject)
{
_UpdateNotifier = updateNotifier;
log.Debug("Determining if '" + DestinationName + "' requires downloading...");
if (RequiresDownload())
{
log.Info("Downloading '" + DestinationName + "'...");
// Setup a web client to download the latest
// version of this file
_WebClient = new WebClient();
if (Username != null &&
Password != null)
{
_WebClient.Credentials = new NetworkCredential(Username, Password, Domain);
}
_WebClient.DownloadDataCompleted += new DownloadDataCompletedEventHandler(client_DownloadDataCompleted);
_WebClient.DownloadProgressChanged += new DownloadProgressChangedEventHandler(client_DownloadProgressChanged);
// Notify that an update is about to begin!
if (_UpdateNotifier != null)
{
_UpdateNotifier.BeginFileDownload(DownloadUri, Size);
}
// Download the file!
_WebClient.DownloadDataAsync(DownloadUri);
// Start the timeout timer
StartTimer();
}
else
{
log.Debug("No download required.");
// NOTE: partial fix for bug #2021741 - Application Hangs
// ======================================================
// Ensure our download data is null.
// Fixes a bug where the object is attempted to be saved,
// even though it doesn't need to be.
DownloadData = null;
// Notify that the file has effectively finished downloading,
// and is saved
OnCompleted();
OnSaved();
}
}
}
/// <summary>
/// Tries to determine an update notifier via the configuration file.
/// </summary>
static private void EnsureUpdateNotifier()
{
DDayUpdateConfigurationSection cfg = ConfigurationManager.GetSection("DDay.Update")
as DDayUpdateConfigurationSection;
// Determine the update notifier that will be used to handle
// update GUI display.
if (cfg != null)
{
_UpdateNotifier = cfg.UpdateNotifier;
}
}
/// <summary>
/// Tries to determine an update notifier via the configuration file.
/// </summary>
static private void EnsureUpdateNotifier()
{
DDayUpdateConfigurationSection cfg = ConfigurationManager.GetSection("DDay.Update")
as DDayUpdateConfigurationSection;
// Determine the update notifier that will be used to handle
// update GUI display.
if (cfg != null)
{
_UpdateNotifier = cfg.UpdateNotifier;
}
}
public void Download(IUpdateNotifier updateNotifier)
{
lock (_LockObject)
{
_UpdateNotifier = updateNotifier;
log.Debug("Determining if '" + DestinationName + "' requires downloading...");
if (RequiresDownload())
{
log.Info("Downloading '" + DestinationName + "'...");
// Setup a web client to download the latest
// version of this file
_WebClient = new WebClient();
if (Username != null &&
Password != null)
_WebClient.Credentials = new NetworkCredential(Username, Password, Domain);
_WebClient.DownloadDataCompleted += new DownloadDataCompletedEventHandler(client_DownloadDataCompleted);
_WebClient.DownloadProgressChanged += new DownloadProgressChangedEventHandler(client_DownloadProgressChanged);
// Notify that an update is about to begin!
if (_UpdateNotifier != null)
_UpdateNotifier.BeginFileDownload(DownloadUri, Size);
// Download the file!
_WebClient.DownloadDataAsync(DownloadUri);
// Start the timeout timer
StartTimer();
}
else
{
log.Debug("No download required.");
// NOTE: partial fix for bug #2021741 - Application Hangs
// ======================================================
// Ensure our download data is null.
// Fixes a bug where the object is attempted to be saved,
// even though it doesn't need to be.
DownloadData = null;
// Notify that the file has effectively finished downloading,
// and is saved
OnCompleted();
OnSaved();
}
}
}
