private void Load(bool reload)
{
var file = Source.FileProvider?.GetFileInfo(Source.Path);
if (file == null || !file.Exists)
{
if (Source.Optional || reload) // Always optional on reload
{
Data = new Dictionary <string, string>(StringComparer.OrdinalIgnoreCase);
}
else
{
var error = new StringBuilder($"The configuration file '{Source.Path}' was not found and is not optional.");
if (!string.IsNullOrEmpty(file?.PhysicalPath))
{
error.Append($" The physical path is '{file.PhysicalPath}'.");
}
throw new FileNotFoundException(error.ToString());
}
}
else
{
// Always create new Data on reload to drop old keys
if (reload)
{
Data = new Dictionary <string, string>(StringComparer.OrdinalIgnoreCase);
}
using (var stream = file.CreateReadStream())
{
try
{
Load(stream);
}
catch (Exception e)
{
bool ignoreException = false;
if (Source.OnLoadException != null)
{
var exceptionContext = new FileLoadExceptionContext
{
Provider = this,
Exception = e
};
Source.OnLoadException.Invoke(exceptionContext);
ignoreException = exceptionContext.Ignore;
}
if (!ignoreException)
{
throw e;
}
}
}
}
// REVIEW: Should we raise this in the base as well / instead?
OnReload();
}
private void HandleException(Exception e)
{
bool ignoreException = false;
if (Source.OnLoadException != null)
{
var exceptionContext = new FileLoadExceptionContext
{
Provider = this,
Exception = e
};
Source.OnLoadException.Invoke(exceptionContext);
ignoreException = exceptionContext.Ignore;
}
if (!ignoreException)
{
throw e;
}
}
private void HandleException(ExceptionDispatchInfo info)
{
bool ignoreException = false;
if (Source.OnLoadException != null)
{
var exceptionContext = new FileLoadExceptionContext
{
Provider = this,
Exception = info.SourceException
};
Source.OnLoadException.Invoke(exceptionContext);
ignoreException = exceptionContext.Ignore;
}
if (!ignoreException)
{
info.Throw();
}
}