private static void GetLocalesCallback(IAsyncResult asyncResult)
{
// DebugLog.WriteLine("GetLocalesCallback()");
try
{
// DebugLog.WriteLine(" get request");
var request = (HttpWebRequest)asyncResult.AsyncState;
// DebugLog.WriteLine(" get response");
var response = (HttpWebResponse)request.EndGetResponse(asyncResult);
// DebugLog.WriteLine(" get stream");
var responseStream = response.GetResponseStream();
bool persist = true;
// If disk version is newer than online version, don't persist. This
// should only happen when a user is adding a new language. In this
// case we want ehm to be able to modify their local copy.
DateTime lastModTime = Storage4.GetLastWriteTimeUtc(LocalesFilePath, StorageSource.UserSpace);
#if NETFX_CORE
// For WindowsStore build .LastModified is not supported so just always persist file.
if (true)
#else
if (lastModTime > response.LastModified)
#endif
{
persist = false;
}
// DebugLog.WriteLine(" persist : " + persist.ToString());
if (persist)
{
// DebugLog.WriteLine(" Populating from XML stream.");
PopulatesLocalesFromXmlStream(responseStream, persist);
}
else
{
// DebugLog.WriteLine(" Getting from file.");
GetLocalesFromFile();
}
}
catch (Exception e)
{
// Keep the compiler quiet when LOCALES_DEBUG not defined.
if (e != null)
{
// DebugLog.WriteException(e, "GetLocalesCallback()");
}
#if LOCALES_DEBUG
LocalesDebugPrint("Exception thrown in GetLocalesCallback()\n" + e.ToString());
#endif
}
finally
{
if (_locales == null)
{
// DebugLog.WriteLine(" Safe get from file.");
SafeGetLocalesFromFile();
}
}
}
/// <summary>
/// Load current options data.
/// </summary>
/// <returns></returns>
private static XmlOptionsData Load()
{
XmlOptionsData xmlData = null;
Stream stream = null;
DateTime xmlFileTime = new DateTime();//used to compare against InstallLanguage.txt
try
{
// Try the real filename first.
string xmlFileName = FileName();
if (Storage4.FileExists(xmlFileName, StorageSource.All))
{
xmlFileTime = Storage4.GetLastWriteTimeUtc(xmlFileName, StorageSource.All);
stream = Storage4.OpenRead(xmlFileName, StorageSource.All);
XmlSerializer serializer = new XmlSerializer(typeof(XmlOptionsData));
xmlData = serializer.Deserialize(stream) as XmlOptionsData;
}
else
{
// If not there, try the back compat version.
xmlFileName = BackCompatFileName();
if (Storage4.FileExists(xmlFileName, StorageSource.All))
{
xmlFileTime = Storage4.GetLastWriteTimeUtc(xmlFileName, StorageSource.All);
stream = Storage4.OpenRead(xmlFileName, StorageSource.All);
XmlSerializer serializer = new XmlSerializer(typeof(XmlOptionsData));
xmlData = serializer.Deserialize(stream) as XmlOptionsData;
}
}
}
catch (Exception e)
{
Debug.WriteLine(e.Message);
}
if (stream != null)
{
Storage4.Close(stream);
}
//Check for override of language.
if (xmlData != null && Storage4.FileExists(InstalledLanguageFileName(), StorageSource.All))
{
var langFileTime = Storage4.GetLastWriteTimeUtc(InstalledLanguageFileName(), StorageSource.All);
//If InstallerLanguage.txt is later than selected language.
if (langFileTime > xmlFileTime)
{
//Update language to match newly installed version.
xmlData.langauge = GetInstallerLanguageOrDefault();
Save();
}
}
return(xmlData);
} // end of Load()
public DateTime?LastUpdated(string language)
{
var resourcePath = Path.Combine(LanguageDir, language, Name);
if (Storage4.FileExists(resourcePath, StorageSource.All))
{
return(Storage4.GetLastWriteTimeUtc(resourcePath, StorageSource.All));
}
return(null);
}