public static ITypedConfigurationBuilder SetFileProvider(this ITypedConfigurationBuilder builder, IFileProvider fileProvider)
{
if (builder == null)
{
throw new ArgumentNullException(nameof(builder));
}
builder.Properties[FileProviderKey] = fileProvider ?? throw new ArgumentNullException(nameof(fileProvider));
return(builder);
}
public static Action <FileLoadExceptionContext> GetFileLoadExceptionHandler(this ITypedConfigurationBuilder builder)
{
if (builder == null)
{
throw new ArgumentNullException("builder");
}
object obj;
if (builder.Properties.TryGetValue(FileLoadExceptionHandlerKey, out obj))
{
return(builder.Properties[FileLoadExceptionHandlerKey] as Action <FileLoadExceptionContext>);
}
return(null);
}
public static IFileProvider GetFileProvider(this ITypedConfigurationBuilder builder)
{
if (builder == null)
{
throw new ArgumentNullException("builder");
}
object obj;
if (builder.Properties.TryGetValue(FileProviderKey, out obj))
{
return(builder.Properties[FileProviderKey] as IFileProvider);
}
return(new PhysicalFileProvider(AppContext.BaseDirectory ?? string.Empty));
}
public static ITypedConfigurationBuilder SetBasePath(this ITypedConfigurationBuilder builder, string basePath)
{
if (builder == null)
{
throw new ArgumentNullException(nameof(builder));
}
if (basePath == null)
{
throw new ArgumentNullException(nameof(basePath));
}
return(builder.SetFileProvider(new PhysicalFileProvider(basePath)));
}
public static ITypedConfigurationBuilder AddJsonFile <T>(this ITypedConfigurationBuilder builder, string path, bool optional, bool reloadOnChange)
{
if (builder == null)
{
throw new ArgumentNullException("builder");
}
if (string.IsNullOrEmpty(path))
{
throw new ArgumentNullException(nameof(path));
}
JsonTypedConfigurationSource jsonConfigurationSource = new JsonTypedConfigurationSource(typeof(T))
{
FileProvider = null,// provider,
Path = path,
Optional = optional,
ReloadOnChange = reloadOnChange
};
jsonConfigurationSource.ResolveFileProvider();
builder.Add(jsonConfigurationSource);
return(builder);
}
public override ITypedConfigurationProvider Build(ITypedConfigurationBuilder builder)
{
base.EnsureDefaults(builder);
return(new JsonTypedConfigurationProvider(this));
}
/// <summary>
/// Called to use any default settings on the builder like the FileProvider or FileLoadExceptionHandler.
/// </summary>
/// <param name="builder">The <see cref="T:Microsoft.Extensions.Configuration.IConfigurationBuilder" />.</param>
public void EnsureDefaults(ITypedConfigurationBuilder builder)
{
this.FileProvider = (FileProvider ?? builder.GetFileProvider());
this.OnLoadException = (OnLoadException ?? builder.GetFileLoadExceptionHandler());
}
public abstract ITypedConfigurationProvider Build(ITypedConfigurationBuilder builder);
