#region License
/*
* Copyright 2002-2008 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#endregion
#region Imports
using System;
using System.Configuration;
using System.Xml;
using Spring.Context.Support;
#endregion
namespace Spring{
/// <summary>
/// Replace the original context handler with this hookable version for testing ContextRegistry
/// </summary>
/// <author>Erich Eichinger</author>
public class HookableContextHandler : IConfigurationSectionHandler
{
private IConfigurationSectionHandler baseHandler = new ContextHandler();
/// <summary>
/// May be used to wrap codeblocks within using(new Guard(new CreateContextFromSectionHandler(MyTestSectionHandler))) { ... }
/// </summary>
public class Guard : IDisposable
{
private readonly CreateContextFromSectionHandler _prevInst;
/// <summary>
/// Initializes a new instance of the <see cref="T:System.Object"></see> class.
/// </summary>
public Guard(CreateContextFromSectionHandler sectionHandler)
{
NUnit.Framework.Assert.IsNotNull(sectionHandler);
_prevInst = SetSectionHandler(sectionHandler);
}
public void Dispose()
{
SetSectionHandler(_prevInst);
}
}
public delegate object CreateContextFromSectionHandler(object parent, object configContext, XmlNode section);
private static CreateContextFromSectionHandler s_callback;
public static CreateContextFromSectionHandler callback
{
get { return s_callback; }
}
public static CreateContextFromSectionHandler SetSectionHandler(CreateContextFromSectionHandler sectionHandler)
{
CreateContextFromSectionHandler prevInstance = s_callback;
s_callback = sectionHandler;
return prevInstance;
}
///<summary>
///Creates a configuration section.
///</summary>
///
///<returns>
///The created section object.
///</returns>
///
///<param name="parent">Parent object.</param>
///<param name="section">Section XML node.</param>
///<param name="configContext">Configuration context object.</param><filterpriority>2</filterpriority>
public object Create(object parent, object configContext, XmlNode section)
{
if (s_callback != null)
{
return s_callback(parent, configContext, section);
}
return baseHandler.Create(parent, configContext, section);
}
}
}
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