/// <summary>
/// Creates a new instance of <see cref="MiniProfilerMiddleware"/>
/// </summary>
/// <param name="next">The delegate representing the next middleware in the request pipeline.</param>
/// <param name="hostingEnvironment">The Hosting Environment.</param>
/// <param name="options">The middleware options, containing the rules to apply.</param>
/// <exception cref="ArgumentNullException">Throws when <paramref name="next"/>, <paramref name="hostingEnvironment"/>, or <paramref name="options"/> is <c>null</c>.</exception>
/// <exception cref="ArgumentException">Throws when <see cref="MiniProfilerOptions.RouteBasePath"/> is <c>null</c> or empty.</exception>
public MiniProfilerMiddleware(
RequestDelegate next,
IHostingEnvironment hostingEnvironment,
MiniProfilerOptions options)
{
_next = next ?? throw new ArgumentNullException(nameof(next));
_env = hostingEnvironment ?? throw new ArgumentNullException(nameof(hostingEnvironment));
Options = options ?? throw new ArgumentNullException(nameof(options));
if (string.IsNullOrEmpty(Options.RouteBasePath))
{
throw new ArgumentException("BasePath cannot be empty", nameof(Options.RouteBasePath));
}
var basePath = Options.RouteBasePath;
// Example transform: ~/mini-profiler-results/ to /mini-profiler-results
if (basePath.StartsWith("~/", StringComparison.Ordinal))
{
basePath = basePath.Substring(1);
}
if (basePath.EndsWith("/", StringComparison.Ordinal) && basePath.Length > 2)
{
basePath = basePath.Substring(0, basePath.Length - 1);
}
MatchPath = new PathString(basePath);
BasePath = new PathString(basePath.EnsureTrailingSlash());
Embedded = new EmbeddedProvider(Options, _env);
// A static reference back to this middleware for property access.
// Which is probably a crime against humanity in ways I'm ignorant of.
Current = this;
}
/// <summary>
/// Creates a new instance of <see cref="MiniProfilerMiddleware"/>
/// </summary>
/// <param name="next">The delegate representing the next middleware in the request pipeline.</param>
/// <param name="hostingEnvironment">The Hosting Environment.</param>
/// <param name="options">The middleware options, containing the rules to apply.</param>
/// <exception cref="ArgumentNullException">Throws when <paramref name="next"/>, <paramref name="hostingEnvironment"/>, or <paramref name="options"/> is <c>null</c>.</exception>
public MiniProfilerMiddleware(
RequestDelegate next,
IHostingEnvironment hostingEnvironment,
IOptions <MiniProfilerOptions> options)
{
_next = next ?? throw new ArgumentNullException(nameof(next));
_env = hostingEnvironment ?? throw new ArgumentNullException(nameof(hostingEnvironment));
_options = options ?? throw new ArgumentNullException(nameof(options));
if (string.IsNullOrEmpty(Options.RouteBasePath))
{
throw new ArgumentException("RouteBasePath cannot be empty", nameof(Options.RouteBasePath));
}
Embedded = new EmbeddedProvider(_options, _env);
}
