/// <summary>
/// Adds an exception mapping scheme which uses strongly-typed settings of <typeparamref name="TOptions"/>
/// and a set of mapping conventions of <typeparamref name="TConventionService"/> to handle exception.
/// </summary>
/// <typeparam name="TOptions">The type of the settings consumed by the scheme.</typeparam>
/// <typeparam name="TConventionService">The mapping convention service type.</typeparam>
/// <typeparam name="THandler">The type of the scheme implementer.</typeparam>
/// <param name="builder">The builder.</param>
/// <param name="name">The name of the scheme to be added.</param>
public static ExceptionMappingBuilder AddScheme <TOptions, TConventionService, THandler>(
this ExceptionMappingBuilder builder,
string name)
where TOptions : ExceptionMappingSchemeOptions, new()
where TConventionService : class
where THandler : ExceptionHandler <TOptions, TConventionService>
=> builder.AddScheme <TOptions, TConventionService, THandler>(name, _ => { });
/// <summary>
/// Adds an exception mapping scheme which uses strongly-typed settings of <typeparamref name="TOptions"/>
/// and a set of mapping conventions of <typeparamref name="TConventionService"/> to handle exception.
/// </summary>
/// <typeparam name="TOptions">The type of the settings consumed by the scheme.</typeparam>
/// <typeparam name="TConventionService">The mapping convention service type.</typeparam>
/// <typeparam name="THandler">The type of the scheme implementer.</typeparam>
/// <param name="builder">The builder.</param>
/// <param name="name">The name of the scheme to be added.</param>
/// <param name="configure">The action to configure scheme options.</param>
public static ExceptionMappingBuilder AddScheme <TOptions, TConventionService, THandler>(
this ExceptionMappingBuilder builder,
string name,
Action <TOptions> configure)
where TOptions : ExceptionMappingSchemeOptions, new()
where TConventionService : class
where THandler : ExceptionHandler <TOptions, TConventionService>
{
if (builder == null)
{
throw new ArgumentNullException(nameof(builder));
}
if (name == null)
{
throw new ArgumentNullException(nameof(name));
}
if (configure == null)
{
throw new ArgumentNullException(nameof(configure));
}
builder.Services.Configure <TOptions>(name, opt => opt.SchemeName = name);
builder.AddScheme <THandler>(name);
builder.Services.Configure(name, configure);
return(builder);
}
/// <summary>
/// Adds an exception mapping scheme of <typeparamref name="THandler"/> and passes custom parameters to the
/// constructor of <typeparamref name="THandler"/>.
/// </summary>
/// <typeparam name="THandler">The type of the scheme implementer.</typeparam>
/// <param name="builder">The builder.</param>
/// <param name="name">The name of the scheme to be added.</param>
/// <param name="parameters">The custom parameters to pass into the handler.</param>
public static ExceptionMappingBuilder AddParameterizedScheme <THandler>(
this ExceptionMappingBuilder builder,
string name,
params object[] parameters)
where THandler : IExceptionHandler
{
if (builder == null)
{
throw new ArgumentNullException(nameof(builder));
}
if (name == null)
{
throw new ArgumentNullException(nameof(name));
}
if (parameters == null)
{
throw new ArgumentNullException(nameof(parameters));
}
builder.AddScheme(new ExceptionMappingSchemeRegistration(
name, typeof(THandler),
serviceProvider => ActivatorUtilities.CreateInstance <THandler>(serviceProvider, parameters)));
return(builder);
}
/// <summary>
/// Adds an exception mapping scheme which maps exception to HTTP response by convention.
/// </summary>
/// <param name="builder">The exception mapping builder.</param>
/// <param name="name">The name of the scheme.</param>
/// <param name="configure">The action to configure the endpoint exception mapping scheme.</param>
public static ExceptionMappingBuilder AddEndpointResponse(
this ExceptionMappingBuilder builder,
string name,
Action <EndpointExceptionHandlerOptions> configure)
{
builder.Services.TryAddSingleton <IHttpContextFinder, HttpContextFinder>();
builder.Services.TryAddSingleton <IRoutePatternFormatter, RoutePatternFormatter>();
builder.Services.TryAddSingleton <IProblemResponseWriterFactory, ProblemResponseWriterFactory>();
builder.AddScheme <EndpointExceptionHandlerOptions, IEndpointExceptionMappingConvention,
EndpointExceptionHandler>(name, configure);
return(builder);
}
