C#

Exception.io: C#

A collection of custom exception classes written in C#.

Inheritance Hierarchy

System.Object
└── System.Exception
    └── System.SystemException
        └── Exceptionio.NotFoundException

Classes

Class Name	Description	Default Message
NotFoundException	The exception that is thrown when a requested method or operation not found.	The method or operation not found.

Usage

Initiate any one of the exception classes:

if (item == null)
{
    throw new NotFoundException("Item not found.");
}

An example of handling specific exception:

/// <summary>
/// A filter that converts NotFoundException exceptions into HTTP status code 404, Not Found.
/// </summary>
/// <example>config.Filters.Add(new Xcore.Filters.NotFoundExceptionFilterAttribute());</example>
/// <link>http://blogs.msdn.com/b/youssefm/archive/2012/06/28/error-handling-in-asp-net-webapi.aspx</link>
public class NotFoundExceptionFilterAttribute : ExceptionFilterAttribute, IExceptionFilter
{
    public override void OnException(HttpActionExecutedContext context)
    {
        if (context.Exception is NotFoundException)
        {
            context.Response = context.Request.CreateResponse(HttpStatusCode.NotFound, new ResponseModel(new MetaModel { Message = string.Format(context.Exception.Message), Code = 404, Success = false }));
        }
    }
}

Supported Platforms

• .NET Framework

Creator

• Zeeshan Mian (@zmian)

License

Exception.io is released under the MIT license. See LICENSE for details.