/// <summary>
/// Creates a <see cref="WsFederationMessage"/> from the contents of a <see cref="Uri"/>.
/// </summary>
/// <param name="uri"> uri string to extract parameters.</param>
/// <returns>An instance of <see cref="WsFederationMessage"/>.</returns>
/// <remarks><see cref="WsFederationMessage"/>.IssuerAddress is NOT set/>. Parameters are parsed from <see cref="Uri.Query"/>.</remarks>
public static WsFederationMessage FromUri(Uri uri)
{
if (uri != null && uri.Query.Length > 1)
{
return(WsFederationMessage.FromQueryString(uri.Query.Substring(1)));
}
return(new WsFederationMessage());
}
