From ad291265f35ffb9bae060aa41bec90d5a9c3d6f2 Mon Sep 17 00:00:00 2001
From: "Matt@MBP13-PC" <unknown@kiln.example.com>
Date: Mon, 13 Aug 2012 10:23:45 -0100
Subject: [PATCH] Added PhysicalFileSystem constructor overload to work out the
 rootPath / rootUrl from a virtualRoot path (Can only work with a valid
 HttpContext)

---
 src/Umbraco.Core/IO/PhysicalFileSystem.cs | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/Umbraco.Core/IO/PhysicalFileSystem.cs b/src/Umbraco.Core/IO/PhysicalFileSystem.cs
index 6f7fab4521..30398c5e04 100644
--- a/src/Umbraco.Core/IO/PhysicalFileSystem.cs
+++ b/src/Umbraco.Core/IO/PhysicalFileSystem.cs
@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using System.Text;
+using System.Web;
 
 namespace Umbraco.Core.IO
 {
@@ -11,6 +12,15 @@ namespace Umbraco.Core.IO
         private readonly string _rootPath;
         private readonly string _rootUrl;
 
+        public PhysicalFileSystem(string virtualRoot)
+        {
+            if(HttpContext.Current == null)
+                throw new InvalidOperationException("The single parameter constructor can only be accessed when there is a valid HttpContext");
+
+            _rootPath = HttpContext.Current.Server.MapPath(virtualRoot);
+            _rootUrl = VirtualPathUtility.ToAbsolute(virtualRoot);
+        }
+
         public PhysicalFileSystem(string rootPath, string rootUrl)
         {
             if (string.IsNullOrEmpty(rootPath))