140 lines
3.6 KiB
C#
140 lines
3.6 KiB
C#
//
|
|
// 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 ()
|
|
{
|
|
}
|
|
|
|
protected internal VirtualPathProvider Previous {
|
|
get { return prev; }
|
|
}
|
|
|
|
protected virtual void Initialize ()
|
|
{
|
|
}
|
|
|
|
internal void InitializeAndSetPrevious (VirtualPathProvider prev)
|
|
{
|
|
this.prev = prev;
|
|
Initialize ();
|
|
}
|
|
|
|
public virtual string CombineVirtualPaths (string basePath, string relativePath)
|
|
{
|
|
return VirtualPathUtility.Combine (basePath, relativePath);
|
|
}
|
|
|
|
public virtual bool DirectoryExists (string virtualDir)
|
|
{
|
|
if (prev != null)
|
|
return prev.DirectoryExists (virtualDir);
|
|
|
|
return false;
|
|
}
|
|
|
|
public virtual bool FileExists (string virtualPath)
|
|
{
|
|
if (prev != null)
|
|
return prev.FileExists (virtualPath);
|
|
|
|
return false;
|
|
}
|
|
|
|
public virtual CacheDependency GetCacheDependency (string virtualPath, IEnumerable virtualPathDependencies, DateTime utcStart)
|
|
{
|
|
if (prev != null)
|
|
return prev.GetCacheDependency (virtualPath, virtualPathDependencies, utcStart);
|
|
|
|
return null;
|
|
}
|
|
|
|
public virtual string GetCacheKey (string virtualPath)
|
|
{
|
|
if (prev != null)
|
|
return prev.GetCacheKey (virtualPath);
|
|
|
|
return null;
|
|
}
|
|
|
|
public virtual VirtualDirectory GetDirectory (string virtualDir)
|
|
{
|
|
if (prev != null)
|
|
return prev.GetDirectory (virtualDir);
|
|
|
|
return null;
|
|
}
|
|
|
|
public virtual VirtualFile GetFile (string virtualPath)
|
|
{
|
|
if (prev != null)
|
|
return prev.GetFile (virtualPath);
|
|
|
|
return null;
|
|
}
|
|
|
|
public virtual string GetFileHash (string virtualPath, IEnumerable virtualPathDependencies)
|
|
{
|
|
if (prev != null)
|
|
return prev.GetFileHash (virtualPath, 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);
|
|
if (file != null)
|
|
return file.Open ();
|
|
|
|
return null;
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|