#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.Web;
using Spring.Context;
using Spring.Context.Support;
using Spring.Util;
#endregion
namespace Spring.Web.Support{
#if !MONO
/// <summary>
/// SimpleHandlerFactory is used to wrap any arbitrary <see cref="IHttpHandlerFactory"/> to make it "Spring-aware".
/// </summary>
/// <remarks>
/// By default, an instance of <see cref="System.Web.UI.SimpleHandlerFactory"/> is used as underlying factory.
/// </remarks>
/// <author>Erich Eichinger</author>
#endif
public class DefaultHandlerFactory : AbstractHandlerFactory
{
private readonly IHttpHandlerFactory _innerFactory;
#if !MONO
/// <summary>
/// Creates a new instance, using a <see cref="System.Web.UI.SimpleHandlerFactory"/> as underlying factory.
/// </summary>
#else
/// <summary>
/// Creates a new instance of the DefaultHandlerFactory
/// </summary>
#endif
public DefaultHandlerFactory()
: this(SimpleHandlerFactory)
{ }
/// <summary>
/// Create a new instance, using an instance of <paramref name="innerFactoryType"/> as underlying factory.
/// </summary>
/// <param name="innerFactoryType">a type that implements <see cref="IHttpHandlerFactory"/></param>
public DefaultHandlerFactory(Type innerFactoryType)
: this((IHttpHandlerFactory)Activator.CreateInstance(innerFactoryType, true))
{
}
/// <summary>
/// Create a new instance, using <paramref name="innerFactory"/> as underlying factory.
/// </summary>
/// <param name="innerFactory">the factory to be wrapped.</param>
public DefaultHandlerFactory(IHttpHandlerFactory innerFactory)
{
AssertUtils.ArgumentNotNull(innerFactory, "innerFactory");
_innerFactory = innerFactory;
}
/// <summary>
/// Create a handler instance for the given URL.
/// </summary>
/// <param name="appContext">the application context corresponding to the current request</param>
/// <param name="context">The <see cref="HttpContext"/> instance for this request.</param>
/// <param name="requestType">The HTTP data transfer method (GET, POST, ...)</param>
/// <param name="rawUrl">The requested <see cref="HttpRequest.RawUrl"/>.</param>
/// <param name="physicalPath">The physical path of the requested resource.</param>
/// <returns>A handler instance for processing the current request.</returns>
protected override IHttpHandler CreateHandlerInstance(IConfigurableApplicationContext appContext, HttpContext context, string requestType, string rawUrl, string physicalPath)
{
IHttpHandler handler = _innerFactory.GetHandler(context, requestType, rawUrl, physicalPath);
// find a matching object definition
string appRelativeVirtualPath = WebUtils.GetAppRelativePath(rawUrl);
NamedObjectDefinition nod = FindWebObjectDefinition(appRelativeVirtualPath, appContext.ObjectFactory);
string objectDefinitionName = (nod != null) ? nod.Name : rawUrl;
handler = WebSupportModule.ConfigureHandler(context, handler, appContext, objectDefinitionName, (nod != null));
return handler;
}
/// <summary>
/// Enables a factory to release an existing
/// <see cref="System.Web.IHttpHandler"/> instance.
/// </summary>
/// <param name="handler">
/// The <see cref="System.Web.IHttpHandler"/> object to release.
/// </param>
public override void ReleaseHandler(IHttpHandler handler)
{
_innerFactory.ReleaseHandler(handler);
}
}
}
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