static public bool IsUpdateAvailable(Uri uri, string username, string password, string domain)
{
bool retval = false;
try
{
EnsureUpdateNotifier();
if (_UpdateNotifier != null)
{
_UpdateNotifier.BeginVersionCheck();
}
// Append the deployment manifest name to the end of the
// update uri, if it isn't already provided
if (!uri.AbsoluteUri.EndsWith(".application", true, CultureInfo.CurrentCulture))
{
string applicationName = Path.GetFileNameWithoutExtension(
Assembly.GetEntryAssembly().ManifestModule.Name) + ".application";
UriBuilder uriBuilder = new UriBuilder(uri.AbsoluteUri);
uriBuilder.Path = Path.Combine(uriBuilder.Path, applicationName);
uri = uriBuilder.Uri;
}
// Try to download a deployment manifest
DeploymentManifest = new DeploymentManifest(uri, username, password, domain);
// Get the local deployment manifest
LoadLocalDeploymentManifest();
// Determine if the local version is less than the server version
Version serverVersion = new Version(1, 0);
Version localVersion = new Version(0, 0);
log.Debug("Comparing versions...");
if (DeploymentManifest != null)
{
serverVersion = DeploymentManifest.CurrentPublishedVersion;
}
if (LocalDeploymentManifest != null)
{
localVersion = LocalDeploymentManifest.CurrentPublishedVersion;
}
log.Debug("Server version is: " + serverVersion);
log.Debug("Local version is: " + localVersion);
if (localVersion < serverVersion)
{
log.Debug("An update is available!");
// If the server version is newer than our local version,
// then an update is available!
retval = true;
return(retval);
}
log.Debug("No update is necessary.");
}
catch (WebException ex)
{
string s = ex.Message;
}
catch (Exception)
{
// FIXME: log information on catch
}
finally
{
if (_UpdateNotifier != null)
{
_UpdateNotifier.EndVersionCheck(retval);
}
}
return(retval);
}
