initial oogynize check in _ this actually used to work!

AddIns/AddIn.Common/CommonValidations.cs

@@ -0,0 +1,37 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.IO;
+
+namespace Foo.AddIn.Common
+{
+    public static class Validate
+    {
+        /// <summary>
+        /// Validate ArtifactLocation * We could later do much more work here *
+        /// </summary>
+        /// <returns></returns>
+        public static bool IsValidArtifactLocation(string strArtifactLocation, ref FuncRetVal retVal)
+        {
+            // All URLs should contain that character (Files aren't allowed to contain it)
+            bool bIsUrl = strArtifactLocation.Contains('/');
+            
+            if (String.IsNullOrEmpty(strArtifactLocation))
+            {
+                retVal.Type = FuncRetValEnum.ParameterInvalid;
+                return false;
+            }
+            else if (!bIsUrl && !File.Exists(strArtifactLocation))
+            {
+                // Check File existence (if it doesn't return false)
+                return false;
+            }
+            else
+            {
+                return true;
+            }
+        }
+
+    }
+}