/src/NUnit/core/ExtensionHost.cs

// ****************************************************************

// Copyright 2007, Charlie Poole

// This is free software licensed under the NUnit license. You may

// obtain a copy of the license at http://nunit.org.

// ****************************************************************

using System;

using System.Collections;

using NUnit.Core.Extensibility;



namespace NUnit.Core

{

	/// <summary>

	/// ExtensionHost is the abstract base class used for

	/// all extension hosts. It provides an array of 

	/// extension points and a FrameworkRegistry and

	/// implements the IExtensionHost interface. Derived

	/// classes must initialize the extension points.

	/// </summary>

	public abstract class ExtensionHost : IExtensionHost

	{

		#region Protected Fields



	    protected ArrayList extensions;



		protected ExtensionType supportedTypes;

		#endregion



		#region IExtensionHost Interface

		public IExtensionPoint[] ExtensionPoints

		{

			get { return (IExtensionPoint[])extensions.ToArray(typeof(IExtensionPoint)); }

		}



        public IFrameworkRegistry FrameworkRegistry

        {

            get { return (IFrameworkRegistry)GetExtensionPoint("FrameworkRegistry"); }

        }



		public IExtensionPoint GetExtensionPoint( string name )

		{

			foreach ( IExtensionPoint extensionPoint in extensions )

				if ( extensionPoint.Name == name )

					return extensionPoint;



			return null;

		}



		public ExtensionType ExtensionTypes

		{

			get { return supportedTypes; }

		}

		#endregion

	}

}