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/* ****************************************************************************
*
* Copyright (c) Microsoft Corporation. All rights reserved.
*
* This software is subject to the Microsoft Public License (Ms-PL).
* A copy of the license can be found in the license.htm file included
* in this distribution.
*
* You must not remove this notice, or any other, from this software.
*
* ***************************************************************************/
namespace System.Web.Mvc {
using System;
using System.Diagnostics.CodeAnalysis;
using System.IO;
public abstract class ViewResultBase : ActionResult {
private TempDataDictionary _tempData;
private ViewDataDictionary _viewData;
private ViewEngineCollection _viewEngineCollection;
private string _viewName;
[SuppressMessage("Microsoft.Usage", "CA2227:CollectionPropertiesShouldBeReadOnly",
Justification = "This entire type is meant to be mutable.")]
public TempDataDictionary TempData {
get {
if (_tempData == null) {
_tempData = new TempDataDictionary();
}
return _tempData;
}
set {
_tempData = value;
}
}
public IView View {
get;
set;
}
[SuppressMessage("Microsoft.Usage", "CA2227:CollectionPropertiesShouldBeReadOnly",
Justification = "This entire type is meant to be mutable.")]
public ViewDataDictionary ViewData {
get {
if (_viewData == null) {
_viewData = new ViewDataDictionary();
}
return _viewData;
}
set {
_viewData = value;
}
}
[SuppressMessage("Microsoft.Usage", "CA2227:CollectionPropertiesShouldBeReadOnly",
Justification = "This entire type is meant to be mutable.")]
public ViewEngineCollection ViewEngineCollection {
get {
return _viewEngineCollection ?? ViewEngines.Engines;
}
set {
_viewEngineCollection = value;
}
}
public string ViewName {
get {
return _viewName ?? String.Empty;
}
set {
_viewName = value;
}
}
public override void ExecuteResult(ControllerContext context) {
if (context == null) {
throw new ArgumentNullException("context");
}
if (String.IsNullOrEmpty(ViewName)) {
ViewName = context.RouteData.GetRequiredString("action");
}
ViewEngineResult result = null;
if (View == null) {
result = FindView(context);
View = result.View;
}
TextWriter writer = context.HttpContext.Response.Output;
ViewContext viewContext = new ViewContext(context, View, ViewData, TempData, writer);
View.Render(viewContext, writer);
if (result != null) {
result.ViewEngine.ReleaseView(context, View);
}
}
protected abstract ViewEngineResult FindView(ControllerContext context);
}
}
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