internal MapPathBasedVirtualPathEnumerator(VirtualPath virtualPath, RequestedEntryType requestedEntryType) { if (virtualPath.IsRelative) { throw new ArgumentException(SR.GetString(SR.Invalid_app_VirtualPath), "virtualPath"); } _virtualPath = virtualPath; _requestedEntryType = requestedEntryType; string physicalPath; if (!ServerConfig.UseServerConfig) { // Use the hosting environment to map the virtual path physicalPath = _virtualPath.MapPathInternal(); } else { IServerConfig serverConfig = ServerConfig.GetInstance(); _serverConfig2 = serverConfig as IServerConfig2; // Use serverConfig to map the virtual path physicalPath = serverConfig.MapPath(null, _virtualPath); if (_requestedEntryType != RequestedEntryType.Files) { // For MetabaseServerConfig, get the subdirs that are not in the application, and add them to the exclude list. if (_serverConfig2 == null) { string [] virtualSubdirsNotInApp = serverConfig.GetVirtualSubdirs(_virtualPath, false); if (virtualSubdirsNotInApp != null) { _exclude = new Hashtable(StringComparer.OrdinalIgnoreCase); foreach (string subdir in virtualSubdirsNotInApp) { _exclude[subdir] = subdir; } } } // Get subdirs that are virtual directories, and record their physical mappings. // Ignore the virtualPaths if we only need files, since it only contains directories string [] virtualSubdirsInApp = serverConfig.GetVirtualSubdirs(_virtualPath, true); if (virtualSubdirsInApp != null) { _virtualPaths = new Hashtable(StringComparer.OrdinalIgnoreCase); foreach (string subdir in virtualSubdirsInApp) { VirtualPath subpath = _virtualPath.SimpleCombineWithDir(subdir); string subPhysicalPath = serverConfig.MapPath(null, subpath); if (FileUtil.DirectoryExists(subPhysicalPath)) { _virtualPaths[subdir] = new MapPathBasedVirtualDirectory(subpath.VirtualPathString); } } // Create enumerator for the virtual paths _virtualEnumerator = _virtualPaths.Values.GetEnumerator(); } } } // Create an enumerator for the physical files and directories at this path _fileEnumerator = FileEnumerator.Create(physicalPath); // Reset the enumerator. Note that we don't support the Reset method. _useFileEnumerator = false; }