/*
* //------------------------------------------------------------------------------
* static bool TryToMigrateFromPrevFormat(ISettingsSerializer serializer,
* string curentSettingName, bool secure,
* Type settingType,
* out object value)
* {
* var delimeter = SettingNameFormatInfo.GetSettingNameDelimeter(serializer as ISettingsSerializerWishes);
* SettingNameFormatInfo fi = new SettingNameFormatInfo(curentSettingName, delimeter, SettingNameMode.Unknown);
*
* try
* {
* InternalConfiguration.PlatformHelper.Log(LogLevel.Info, "Format migration",
* String.Format("Try to migrate '{0}' from previous format version", curentSettingName));
* bool loaded = serializer.Load(fi.V1SettingName, secure, out value);
*
* if (loaded)
* {
* value = InternalConfiguration.PlatformHelper.CorrectSettingType_V1(value, settingType);
*
* InternalConfiguration.PlatformHelper.Log(LogLevel.Info, "Format migration",
* String.Format("From '{0}' to '{1}' - success",
* fi.V1SettingName, curentSettingName));
*
* return true;
* }
* else
* {
* InternalConfiguration.PlatformHelper.Log(LogLevel.Info, "Format migration",
* String.Format("'{0}' skip migration, no previous value", curentSettingName));
* }
* }
* catch (Exception exc)
* {
* InternalConfiguration.PlatformHelper.Log(LogLevel.Error,
* String.Format("Exception during format migration from '{0}' to '{1}'",
* fi.V1SettingName, curentSettingName),
* exc);
* }
*
* value = null;
*
* return false;
* }
*/
//------------------------------------------------------------------------------
static public bool Load(ISettingsSerializer serializer,
SettingBaseAttribute attr,
string settingName, bool secure,
Wrapper attributeDefaultValueWrapper,
Type destinationType,
ref SettingInfo outSettingInfo,
FunctionalityHook functionalityHook)
{
bool valueWasLoaded = false;
object loadedValue = null;
object defaultValue;
if (attributeDefaultValueWrapper != null)
{
defaultValue = attributeDefaultValueWrapper.Value;
}
else
{
defaultValue = GetTypeDefaultValue(destinationType);
}
try
{
valueWasLoaded = serializer.Load(settingName, secure, attr, out loadedValue);
bool valueWasSet = false;
if (valueWasLoaded)
{
// CorrectValueType in case of exception default value will be returned
var outTuple = CorrectValueType(loadedValue, destinationType, defaultValue, functionalityHook);
outSettingInfo.SettingValue = outTuple.Item1;
outSettingInfo.SettingValueType = outTuple.Item2;
outSettingInfo.SettingDefaultValue = outTuple.Item3;
outSettingInfo.SettingName = settingName;
valueWasSet = true;
}
else
{
bool valueWasMigrated = false;
object migratedValue = null;
/*
* if (SettingsBaseConfiguration.EnableFormatMigration)
* {
* try
* {
* valueWasMigrated = TryToMigrateFromPrevFormat(serializer, settingName, secure, destinationType, out migratedValue);
* }
* catch(Exception exc)
* {
* InternalConfiguration.PlatformHelper.Log(LogLevel.Error,
* String.Format("Format migration exception for setting '{0}'", settingName),
* exc);
*
* return false;
* }
* }
*/
if (valueWasMigrated)
{
// in success, object with non-curent type can be returned
// correct setting type
// CorrectValueType function in case of exception return default value
var outTuple = CorrectValueType(migratedValue, destinationType, defaultValue, functionalityHook);
outSettingInfo.SettingValue = outTuple.Item1;
outSettingInfo.SettingValueType = outTuple.Item2;
outSettingInfo.SettingDefaultValue = outTuple.Item3;
outSettingInfo.SettingName = settingName;
valueWasSet = true;
}
else if (attributeDefaultValueWrapper != null)
{
// Use default value only if it was set
outSettingInfo.SettingValue = defaultValue;
outSettingInfo.SettingValueType = destinationType;
outSettingInfo.SettingDefaultValue = defaultValue;
outSettingInfo.SettingName = settingName;
valueWasSet = true;
}
}
return(valueWasSet);
}
catch (ExceptionForUser exc)
{
InternalConfiguration.PlatformHelper.Log(LogLevel.Error,
String.Format("Load exception for setting '{0}'", settingName),
exc.InnerException);
throw exc.InnerException;
}
catch (Exception exc)
{
InternalConfiguration.PlatformHelper.Log(LogLevel.Error,
String.Format("Load exception for setting '{0}'", settingName),
exc);
}
return(false);
}