/// <summary>
///
/// </summary>
/// <param name="builder"></param>
/// <param name="predicate">A predicate to indicate whether to invoke the registered handler.</param>
/// <param name="configuration"></param>
public override void Use(IExceptionHandlerBuilder builder, Func <ExceptionContext, bool> predicate, IDictionary <string, string> configuration)
{
Guard.ArgumentNotNull(builder, nameof(builder));
Guard.ArgumentNotNull(configuration, nameof(configuration));
Type wrapExcecptionType = Type.GetType(configuration.GetValue(ConfigurationNameOfWrapException));
string message = configuration.GetValue(ConfigurationNameOfMessage);
builder.Use <WrapHandler>(wrapExcecptionType, predicate, message);
}
public void Use_Arguments_Not_Allow_Null(string builderIndicator, string typeIndicator)
{
IExceptionHandlerBuilder builder = builderIndicator == null
? null
: new ExceptionHandlerBuilder(new ServiceCollection().BuildServiceProvider());
Type type = typeIndicator == null
? null
: typeof(string);
Assert.Throws <ArgumentNullException>(() => builder.Use(type));
}
/// <summary>
/// Register specified type of exception handler to <see cref="IExceptionHandlerBuilder"/>.
/// </summary>
/// <param name="handlerType">The type of exception handler to register.</param>
/// <param name="builder">The <see cref="IExceptionHandlerBuilder"/> to which the exception handler is registered.</param>
/// <param name="arguments">The arguments passed to constrcutors.</param>
/// <returns>The current <see cref="IExceptionHandlerBuilder"/>.</returns>
/// <exception cref="ArgumentNullException">The <paramref name="builder"/> is null.</exception>
/// <exception cref="ArgumentNullException">The <paramref name="handlerType"/> is null.</exception>
public static IExceptionHandlerBuilder Use(this IExceptionHandlerBuilder builder, Type handlerType, params object[] arguments)
{
Guard.ArgumentNotNull(builder, nameof(builder));
Guard.ArgumentNotNull(handlerType, nameof(handlerType));
if (!TryGetInvoke(handlerType, out HandleExceptionDelegate handlerDelegate))
{
throw new ArgumentException("Invalid exception handler type", nameof(handlerType));
}
Func <ExceptionContext, Task> handler = async context =>
{
object[] newArguments = new object[arguments.Length];
arguments.CopyTo(newArguments, 0);
object instance = ActivatorUtilities.CreateInstance(builder.ServiceProvider, handlerType, newArguments);
await handlerDelegate(instance, context, builder.ServiceProvider);
};
return(builder.Use(handler));
}
/// <summary>
/// Register specified type of exception handler to <see cref="IExceptionHandlerBuilder"/>.
/// </summary>
/// <param name="handlerType">The type of exception handler to register.</param>
/// <param name="builder">The <see cref="IExceptionHandlerBuilder"/> to which the exception handler is registered.</param>
/// <param name="arguments">The arguments passed to constrcutors.</param>
/// <returns>The current <see cref="IExceptionHandlerBuilder"/>.</returns>
/// <exception cref="ArgumentNullException">The <paramref name="builder"/> is null.</exception>
/// <exception cref="ArgumentNullException">The <paramref name="handlerType"/> is null.</exception>
public static IExceptionHandlerBuilder Use(this IExceptionHandlerBuilder builder, Type handlerType, params object[] arguments)
{
return(builder.Use(_ => true, handlerType, arguments));
}
/// <summary>
/// Register specified type of exception handler to <see cref="IExceptionHandlerBuilder"/>.
/// </summary>
/// <typeparam name="THandler">The type of exception handler to register.</typeparam>
/// <param name="builder">The <see cref="IExceptionHandlerBuilder"/> to which the exception handler is registered.</param>
/// <param name="predicate">A predicate to indicate whether to invoke the registered handler.</param>
/// <param name="arguments">The arguments passed to constrcutors.</param>
/// <returns>The current <see cref="IExceptionHandlerBuilder"/>.</returns>
/// <exception cref="ArgumentNullException">The <paramref name="builder"/> is null.</exception>
public static IExceptionHandlerBuilder Use <THandler>(this IExceptionHandlerBuilder builder, Func <ExceptionContext, bool> predicate, params object[] arguments)
{
return(builder.Use(typeof(THandler), predicate, arguments));
}
/// <summary>
/// Register specified type of exception handler to <see cref="IExceptionHandlerBuilder"/>.
/// </summary>
/// <typeparam name="THandler">The type of exception handler to register.</typeparam>
/// <param name="builder">The <see cref="IExceptionHandlerBuilder"/> to which the exception handler is registered.</param>
/// <param name="arguments">The arguments passed to constrcutors.</param>
/// <returns>The current <see cref="IExceptionHandlerBuilder"/>.</returns>
/// <exception cref="ArgumentNullException">The <paramref name="builder"/> is null.</exception>
public static IExceptionHandlerBuilder Use <THandler>(this IExceptionHandlerBuilder builder, params object[] arguments)
{
Guard.ArgumentNotNull(builder, nameof(builder));
return(builder.Use(typeof(THandler), arguments));
}
protected void Use <THandler>(IExceptionHandlerBuilder builder, Func <ExceptionContext, bool> predicate, IDictionary <string, string> configuration)
where THandler : HandlerBase
{
builder.Use <THandler>(configuration.GetValue("arg1"), configuration.GetValue("arg2"));
}