private void CreateWellKnownFileSystems()
{
var macroPartialFileSystem = new PhysicalFileSystem(SystemDirectories.MacroPartials);
var partialViewsFileSystem = new PhysicalFileSystem(SystemDirectories.PartialViews);
var macroScriptsFileSystem = new PhysicalFileSystem(SystemDirectories.MacroScripts);
var userControlsFileSystem = new PhysicalFileSystem(SystemDirectories.UserControls);
var stylesheetsFileSystem = new PhysicalFileSystem(SystemDirectories.Css);
var scriptsFileSystem = new PhysicalFileSystem(SystemDirectories.Scripts);
var xsltFileSystem = new PhysicalFileSystem(SystemDirectories.Xslt);
var masterPagesFileSystem = new PhysicalFileSystem(SystemDirectories.Masterpages);
var mvcViewsFileSystem = new PhysicalFileSystem(SystemDirectories.MvcViews);
var javaScriptLibraryFileSystem = new PhysicalFileSystem(Path.Combine(SystemDirectories.Umbraco, "lib"));
_macroPartialFileSystem = new ShadowWrapper(macroPartialFileSystem, "Views/MacroPartials", ScopeProvider);
_partialViewsFileSystem = new ShadowWrapper(partialViewsFileSystem, "Views/Partials", ScopeProvider);
_macroScriptsFileSystem = new ShadowWrapper(macroScriptsFileSystem, "macroScripts", ScopeProvider);
_userControlsFileSystem = new ShadowWrapper(userControlsFileSystem, "usercontrols", ScopeProvider);
_stylesheetsFileSystem = new ShadowWrapper(stylesheetsFileSystem, "css", ScopeProvider);
_scriptsFileSystem = new ShadowWrapper(scriptsFileSystem, "scripts", ScopeProvider);
_xsltFileSystem = new ShadowWrapper(xsltFileSystem, "xslt", ScopeProvider);
_masterPagesFileSystem = new ShadowWrapper(masterPagesFileSystem, "masterpages", ScopeProvider);
_mvcViewsFileSystem = new ShadowWrapper(mvcViewsFileSystem, "Views", ScopeProvider);
_javaScriptLibraryFileSystem = new ShadowWrapper(javaScriptLibraryFileSystem, "Lib", ScopeProvider);
// filesystems obtained from GetFileSystemProvider are already wrapped and do not need to be wrapped again
MediaFileSystem = GetFileSystemProvider <MediaFileSystem>();
}
// need to return something to LazyInitializer.EnsureInitialized
// but it does not really matter what we return - here, null
private object CreateWellKnownFileSystems()
{
var macroPartialFileSystem = new PhysicalFileSystem(SystemDirectories.MacroPartials);
var partialViewsFileSystem = new PhysicalFileSystem(SystemDirectories.PartialViews);
var stylesheetsFileSystem = new PhysicalFileSystem(SystemDirectories.Css);
var scriptsFileSystem = new PhysicalFileSystem(SystemDirectories.Scripts);
var masterPagesFileSystem = new PhysicalFileSystem(SystemDirectories.Masterpages);
var mvcViewsFileSystem = new PhysicalFileSystem(SystemDirectories.MvcViews);
_macroPartialFileSystem = new ShadowWrapper(macroPartialFileSystem, "Views/MacroPartials", IsScoped);
_partialViewsFileSystem = new ShadowWrapper(partialViewsFileSystem, "Views/Partials", IsScoped);
_stylesheetsFileSystem = new ShadowWrapper(stylesheetsFileSystem, "css", IsScoped);
_scriptsFileSystem = new ShadowWrapper(scriptsFileSystem, "scripts", IsScoped);
_masterPagesFileSystem = new ShadowWrapper(masterPagesFileSystem, "masterpages", IsScoped);
_mvcViewsFileSystem = new ShadowWrapper(mvcViewsFileSystem, "Views", IsScoped);
// fixme locking?
_shadowWrappers.Add(_macroPartialFileSystem);
_shadowWrappers.Add(_partialViewsFileSystem);
_shadowWrappers.Add(_stylesheetsFileSystem);
_shadowWrappers.Add(_scriptsFileSystem);
_shadowWrappers.Add(_masterPagesFileSystem);
_shadowWrappers.Add(_mvcViewsFileSystem);
return(null);
}
// note
// shadowing is thread-safe, but entering and exiting shadow mode is not, and there is only one
// global shadow for the entire application, so great care should be taken to ensure that the
// application is *not* doing anything else when using a shadow.
internal ICompletable Shadow()
{
if (Volatile.Read(ref _wkfsInitialized) == false)
{
EnsureWellKnownFileSystems();
}
var id = ShadowWrapper.CreateShadowId();
return(new ShadowFileSystems(this, id)); // will invoke BeginShadow and EndShadow
}
private ShadowWrapper CreateShadowWrapper(IFileSystem filesystem, string shadowPath)
{
lock (_shadowLocker)
{
var wrapper = new ShadowWrapper(filesystem, shadowPath, IsScoped);
if (_shadowCurrentId != null)
{
wrapper.Shadow(_shadowCurrentId);
}
_shadowWrappers.Add(wrapper);
return(wrapper);
}
}
/// <summary>
/// Gets a strongly-typed filesystem.
/// </summary>
/// <typeparam name="TFileSystem">The type of the filesystem.</typeparam>
/// <param name="fallback">A fallback creator for the inner filesystem.</param>
/// <returns>A strongly-typed filesystem of the specified type.</returns>
/// <remarks>
/// <para>The fallback creator is used only if nothing is configured.</para>
/// <para>Ideally, this should cache the instances, but that would break backward compatibility, so we
/// only do it for our own MediaFileSystem - for everything else, it's the responsibility of the caller
/// to ensure that they maintain singletons. This is important for singletons, as each filesystem maintains
/// its own shadow and having multiple instances would lead to inconsistencies.</para>
/// <para>Note that any filesystem created by this method *after* shadowing begins, will *not* be
/// shadowing (and an exception will be thrown by the ShadowWrapper).</para>
/// </remarks>
public TFileSystem GetFileSystemProvider <TFileSystem>(Func <IFileSystem> fallback)
where TFileSystem : FileSystemWrapper
{
var alias = GetFileSystemAlias <TFileSystem>();
return((TFileSystem)_filesystems.GetOrAdd(alias, _ =>
{
// gets the inner fs, create the strongly-typed fs wrapping the inner fs, register & return
// so we are double-wrapping here
// could be optimized by having FileSystemWrapper inherit from ShadowWrapper, maybe
var innerFs = GetUnderlyingFileSystemNoCache(alias, fallback);
var shadowWrapper = new ShadowWrapper(innerFs, "typed/" + alias, ScopeProvider);
var fs = (IFileSystem2)Activator.CreateInstance(typeof(TFileSystem), shadowWrapper);
_wrappers.Add(shadowWrapper); // keeping a reference to the wrapper
return fs;
}));
}
internal ICompletable Shadow(Guid id)
{
var typed = _wrappers.ToArray();
var wrappers = new ShadowWrapper[typed.Length + 9];
var i = 0;
while (i < typed.Length)
{
wrappers[i] = typed[i++];
}
wrappers[i++] = _macroPartialFileSystem;
wrappers[i++] = _macroScriptsFileSystem;
wrappers[i++] = _partialViewsFileSystem;
wrappers[i++] = _stylesheetsFileSystem;
wrappers[i++] = _scriptsFileSystem;
wrappers[i++] = _userControlsFileSystem;
wrappers[i++] = _xsltFileSystem;
wrappers[i++] = _masterPagesFileSystem;
wrappers[i] = _mvcViewsFileSystem;
return(new ShadowFileSystems(id, wrappers));
}
// need to return something to LazyInitializer.EnsureInitialized
// but it does not really matter what we return - here, null
private object CreateWellKnownFileSystems()
{
var macroPartialFileSystem = new PhysicalFileSystem(SystemDirectories.MacroPartials);
var partialViewsFileSystem = new PhysicalFileSystem(SystemDirectories.PartialViews);
var stylesheetsFileSystem = new PhysicalFileSystem(SystemDirectories.Css);
var scriptsFileSystem = new PhysicalFileSystem(SystemDirectories.Scripts);
var mvcViewsFileSystem = new PhysicalFileSystem(SystemDirectories.MvcViews);
_macroPartialFileSystem = new ShadowWrapper(macroPartialFileSystem, "macro-partials", IsScoped);
_partialViewsFileSystem = new ShadowWrapper(partialViewsFileSystem, "partials", IsScoped);
_stylesheetsFileSystem = new ShadowWrapper(stylesheetsFileSystem, "css", IsScoped);
_scriptsFileSystem = new ShadowWrapper(scriptsFileSystem, "scripts", IsScoped);
_mvcViewsFileSystem = new ShadowWrapper(mvcViewsFileSystem, "views", IsScoped);
// TODO: do we need a lock here?
_shadowWrappers.Add(_macroPartialFileSystem);
_shadowWrappers.Add(_partialViewsFileSystem);
_shadowWrappers.Add(_stylesheetsFileSystem);
_shadowWrappers.Add(_scriptsFileSystem);
_shadowWrappers.Add(_mvcViewsFileSystem);
return(null);
}
