/// <summary>
/// Add an OAuth header to this request.
/// </summary>
/// <param name="request">The request to which the header should be added.</param>
/// <param name="headerFactory">OAuth header factory.</param>
/// <returns>Async task</returns>
public static async Task AddOAuthHeader(this HttpRequestMessage request, OAuthHeaderFactory headerFactory)
{
var headerParam = await headerFactory.GetAuthorisationHeaderParameter(request).ConfigureAwait(false);
request.Headers.Authorization = new AuthenticationHeaderValue("OAuth", headerParam);
}
/// <summary>
/// Initializes a new instance of the <see cref="OAuthHttpMessageHandler"/> class,
/// with the given delegate handler.
/// </summary>
/// <param name="config">OAuth config.</param>
/// <param name="innerHandler">The handler to delegate to.</param>
public OAuthHttpMessageHandler(OAuthConfig config, HttpMessageHandler innerHandler)
: base(innerHandler)
{
this.headerFactory = new OAuthHeaderFactory(config);
}