//===================================================================================
// Microsoft patterns & practices
// Composite Application Guidance for Windows Presentation Foundation and Silverlight
//===================================================================================
// Copyright (c) Microsoft Corporation. All rights reserved.
// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY
// OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT
// LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
// FITNESS FOR A PARTICULAR PURPOSE.
//===================================================================================
// The example companies, organizations, products, domain names,
// e-mail addresses, logos, people, places, and events depicted
// herein are fictitious. No association with any real company,
// organization, product, domain name, email address, logo, person,
// places, or events is intended or should be inferred.
//===================================================================================
using System;
using Microsoft.Practices.ObjectBuilder2;
using Microsoft.Practices.Unity;
namespace Microsoft.Practices.Composite.UnityExtensions
{
/// <summary>
/// Implements a <see cref="UnityContainerExtension"/> that checks if a specific type was registered with the container.
/// </summary>
[CLSCompliant(false)]
public class UnityBootstrapperExtension : UnityContainerExtension
{
/// <summary>
/// Evaluates if a specified type was registered in the container.
/// </summary>
/// <param name="container">The container to check if the type was registered in.</param>
/// <param name="type">The type to check if it was registered.</param>
/// <returns><see langword="true" /> if the <paramref name="type"/> was registered with the container.</returns>
/// <remarks>
/// In order to use this extension, you must first call <see cref="IUnityContainer.AddNewExtension{TExtension}"/>
/// and specify <see cref="UnityContainerExtension"/> as the extension type.
/// </remarks>
public static bool IsTypeRegistered(IUnityContainer container, Type type)
{
UnityBootstrapperExtension extension = container.Configure<UnityBootstrapperExtension>();
if (extension == null)
{
//Extension was not added to the container.
return false;
}
IBuildKeyMappingPolicy policy = extension.Context.Policies.Get<IBuildKeyMappingPolicy>(new NamedTypeBuildKey(type));
return policy != null;
}
///<summary>
///Initializes the container with this extension's functionality.
///</summary>
protected override void Initialize()
{
}
}
}