Files
Umbraco-CMS/src/Umbraco.Core/ObjectResolution/ApplicationEventsResolver.cs
Sebastiaan Janssen e4e0bcf642 Correct spelling error
2013-04-16 04:27:03 -02:00

79 lines
2.5 KiB
C#

using System;
using System.Collections.Generic;
using System.Linq;
using umbraco.interfaces;
namespace Umbraco.Core.ObjectResolution
{
/// <summary>
/// A resolver to return all IApplicationEvents objects
/// </summary>
internal sealed class ApplicationEventsResolver : ManyObjectsResolverBase<ApplicationEventsResolver, IApplicationEventHandler>
{
private readonly LegacyStartupHandlerResolver _legacyResolver;
/// <summary>
/// Constructor
/// </summary>
/// <param name="applicationEventHandlers"></param>
internal ApplicationEventsResolver(IEnumerable<Type> applicationEventHandlers)
: base(applicationEventHandlers)
{
//create the legacy resolver and only include the legacy types
_legacyResolver = new LegacyStartupHandlerResolver(
applicationEventHandlers.Where(x => !TypeHelper.IsTypeAssignableFrom<IApplicationEventHandler>(x)));
}
/// <summary>
/// Override in order to only return types of IApplicationEventHandler and above,
/// do not include the legacy types of IApplicationStartupHandler
/// </summary>
protected override IEnumerable<Type> InstanceTypes
{
get { return base.InstanceTypes.Where(TypeHelper.IsTypeAssignableFrom<IApplicationEventHandler>); }
}
/// <summary>
/// Gets the <see cref="IApplicationEventHandler"/> implementations.
/// </summary>
public IEnumerable<IApplicationEventHandler> ApplicationEventHandlers
{
get { return Values; }
}
/// <summary>
/// Create instances of all of the legacy startup handlers
/// </summary>
public void InstantiateLegacyStartupHandlers()
{
//this will instantiate them all
var handlers = _legacyResolver.LegacyStartupHandlers;
}
protected override bool SupportsClear
{
get { return false; }
}
protected override bool SupportsInsert
{
get { return false; }
}
private class LegacyStartupHandlerResolver : ManyObjectsResolverBase<ApplicationEventsResolver, IApplicationStartupHandler>
{
internal LegacyStartupHandlerResolver(IEnumerable<Type> legacyStartupHandlers)
: base(legacyStartupHandlers)
{
}
public IEnumerable<IApplicationStartupHandler> LegacyStartupHandlers
{
get { return Values; }
}
}
}
}