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//
// System.Web.Hosting.VirtualPathProvider
//
// Author:
// Gonzalo Paniagua Javier (gonzalo@ximian.com)
//
//
// Copyright (C) 2006 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
#if NET_2_0
using System;
using System.Collections;
using System.IO;
using System.Web.Caching;
using System.Web.Util;
namespace System.Web.Hosting {
public abstract class VirtualPathProvider : MarshalByRefObject
{
VirtualPathProvider prev;
protected VirtualPathProvider ()
{
}
internal void SetPrevious (VirtualPathProvider prev)
{
this.prev = prev;
}
protected internal VirtualPathProvider Previous {
get { return prev; }
}
protected virtual void Initialize ()
{
}
public virtual string CombineVirtualPaths (string basePath, string relativePath)
{
return VirtualPathUtility.Combine (basePath, relativePath);
}
public virtual bool DirectoryExists (string virtualDir)
{
return false;
}
public virtual bool FileExists (string virtualPath)
{
return false;
}
public virtual CacheDependency GetCacheDependency (string virtualPath,
IEnumerable virtualPathDependencies,
DateTime utcStart)
{
return null;
}
public virtual string GetCacheKey (string virtualPath)
{
return null;
}
public virtual VirtualDirectory GetDirectory (string virtualDir)
{
return null;
}
public virtual VirtualFile GetFile (string virtualPath)
{
return null;
}
public virtual string GetFileHash (string virtualPath, IEnumerable virtualPathDependencies)
{
return null;
}
public override object InitializeLifetimeService ()
{
return null; // forever young
}
public static Stream OpenFile (string virtualPath)
{
// This thing throws a nullref when we're not inside an ASP.NET appdomain, which is what MS does.
VirtualPathProvider provider = HostingEnvironment.VirtualPathProvider;
VirtualFile file = provider.GetFile (virtualPath);
return file.Open ();
}
}
}
#endif
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