NotFoundHandler.cs :  » Content-Management-Systems-CMS » N2 » N2 » Templates » Mvc » Services » C# / CSharp Open Source

using System;
using Castle.Core;

using N2.Plugin;
using N2.Templates.Mvc.Models.Pages;
using N2.Web;

namespace N2.Templates.Mvc.Services{
  /// <summary>
  /// Makes sure the not found page is displayed whenever an url not leading 
  /// to a page is used.
  /// </summary>
  public class NotFoundHandler : IAutoStart
  {
    IUrlParser parser;
    
    public NotFoundHandler(IUrlParser parser, IWebContext context)
    {
      this.parser = parser;
    }

    void parser_PageNotFound(object sender, PageNotFoundEventArgs e)
    {
      StartPage startPage = parser.StartPage as StartPage;
      if (startPage != null && startPage.NotFoundPage != null && !e.Url.StartsWith("edit/", StringComparison.InvariantCultureIgnoreCase))
      {
        e.AffectedItem = startPage.NotFoundPage;
      }
    }

    public void Start()
    {
      parser.PageNotFound += parser_PageNotFound;
    }

    public void Stop()
    {
      parser.PageNotFound -= parser_PageNotFound;
    }
  }
}