Merge

--HG--
branch : dev

src/Orchard.Tests/Caching/CacheTests.cs

@@ -0,0 +1,32 @@
+using Autofac;
+using NUnit.Framework;
+using Orchard.Caching;
+
+namespace Orchard.Tests.Caching {
+    [TestFixture]
+    public class CacheTests {
+        private IContainer _container;
+        private ICacheManager _cacheManager;
+
+        [SetUp]
+        public void Init() {
+            var builder = new ContainerBuilder();
+            builder.RegisterType<DefaultCacheManager>().As<ICacheManager>();
+            _container = builder.Build();
+            _cacheManager = _container.Resolve<ICacheManager>();
+        }
+
+        [Test]
+        public void CacheManagerShouldReturnCacheItem() {
+            var result = _cacheManager.Get("testItem", ctx => "testResult");
+            Assert.That(result, Is.EqualTo("testResult"));
+        }
+
+        [Test]
+        public void CacheManagerShouldReturnExistingCacheItem() {
+            _cacheManager.Get("testItem", ctx => "testResult");
+            var result = _cacheManager.Get("testItem", ctx => "");
+            Assert.That(result, Is.EqualTo("testResult"));
+        }
+    }
+}

src/Orchard.Tests/Orchard.Framework.Tests.csproj

@@ -117,6 +117,7 @@
     </Reference>
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="Caching\CacheTests.cs" />
     <Compile Include="Commands\CommandHandlerDescriptorBuilderTests.cs" />
     <Compile Include="Commands\CommandHandlerTests.cs" />
     <Compile Include="Commands\CommandManagerTests.cs" />

src/Orchard.Web/Modules/Orchard.Modules/Controllers/AdminController.cs

@@ -44,44 +44,12 @@ namespace Orchard.Modules.Controllers {
                                            });
         }
 
-        public ActionResult Features(FeaturesOptions options) {
+        public ActionResult Features() {
             if (!Services.Authorizer.Authorize(Permissions.ManageFeatures, T("Not allowed to manage features")))
                 return new HttpUnauthorizedResult();
 
             var features = _moduleService.GetAvailableFeatures();
-            return View(new FeaturesViewModel {Features = features, Options = options});
+            return View(new FeaturesViewModel {Features = features});
-        }
-
-        [HttpPost, ActionName("Features")]
-        [FormValueRequired("submit.BulkEdit")]
-        public ActionResult FeaturesPOST(FeaturesOptions options, IList<string> selection) {
-            if (selection != null && selection.Count > 0)
-            {
-                switch (options.BulkAction)
-                {
-                    case FeaturesBulkAction.None:
-                        break;
-                    case FeaturesBulkAction.Enable:
-                        if (!Services.Authorizer.Authorize(Permissions.ManageFeatures, T("Not allowed to enable features")))
-                            return new HttpUnauthorizedResult();
-                        _moduleService.EnableFeatures(selection);
-                        //todo: (heskew) need better messages
-                        //todo: (heskew) hmmm...need a helper to comma-separate all but last, which would get the " and " treatment...all localized, of course
-                        Services.Notifier.Information(T("{0} were enabled", string.Join(", ", selection.ToArray())));
-                        break;
-                    case FeaturesBulkAction.Disable:
-                        if (!Services.Authorizer.Authorize(Permissions.ManageFeatures, T("Not allowed to disable features")))
-                            return new HttpUnauthorizedResult();
-                        _moduleService.DisableFeatures(selection);
-                        //todo: (heskew) need better messages
-                        Services.Notifier.Information(T("{0} were disabled", string.Join(", ", selection.ToArray())));
-                        break;
-                    default:
-                        throw new ArgumentOutOfRangeException();
-                }
-            }
-
-            return RedirectToAction("Features");
         }
 
         [ValidateAntiForgeryTokenOrchard]
@@ -107,7 +75,7 @@ namespace Orchard.Modules.Controllers {
                 return new NotFoundResult();
 
             _moduleService.DisableFeatures(new[] { featureName });
-            Services.Notifier.Information(T("{0} was disabled", featureName));
+            //Services.Notifier.Information(T("{0} was disabled", featureName));
 
             return RedirectToAction("Features");
         }

src/Orchard.Web/Modules/Orchard.Modules/Services/ModuleService.cs

@@ -48,10 +48,11 @@ namespace Orchard.Modules.Services {
         }
 
         public IEnumerable<IModuleFeature> GetAvailableFeatures() {
-            var enabledFeatures = _shellDescriptorManager.GetShellDescriptor().EnabledFeatures;
+            var enabledFeatures = _shellDescriptorManager.GetShellDescriptor().EnabledFeatures.ToList();
             return GetInstalledModules()
                 .SelectMany(m => _extensionManager.LoadFeatures(m.Features))
-                .Select(f => AssembleModuleFromDescriptor(f, enabledFeatures.FirstOrDefault(sf => string.Equals(sf.Name, f.Descriptor.Name, StringComparison.OrdinalIgnoreCase)) != null));
+                .Select(f => AssembleModuleFromDescriptor(f, enabledFeatures.FirstOrDefault(sf => string.Equals(sf.Name, f.Descriptor.Name, StringComparison.OrdinalIgnoreCase)) != null))
+                .ToList();
         }
 
         public IEnumerable<Feature> GetAvailableFeaturesByModule(string moduleName) {
@@ -69,9 +70,20 @@ namespace Orchard.Modules.Services {
 
         public void DisableFeatures(IEnumerable<string> featureNames) {
             var shellDescriptor = _shellDescriptorManager.GetShellDescriptor();
-
             var enabledFeatures = shellDescriptor.EnabledFeatures.ToList();
-            enabledFeatures.RemoveAll(f => featureNames.Contains(f.Name));
+            var features = GetAvailableFeatures();
+
+            foreach (var featureName in featureNames) {
+                var feature = featureName;
+                var dependants = features.Where(f => f.IsEnabled && f.Descriptor.Dependencies != null && f.Descriptor.Dependencies.Contains(feature));
+
+                if (dependants.Count() == 0) {
+                    enabledFeatures.RemoveAll(f => f.Name == feature);
+                }
+                else {
+                    // list what else will be disabled with ok/cancel
+                }
+            }
 
             _shellDescriptorManager.UpdateShellDescriptor(shellDescriptor.SerialNumber, enabledFeatures, shellDescriptor.Parameters);
         }

src/Orchard.Web/Modules/Orchard.Modules/ViewModels/FeaturesViewModel.cs

@@ -4,16 +4,5 @@ using Orchard.Mvc.ViewModels;
 namespace Orchard.Modules.ViewModels {
     public class FeaturesViewModel : BaseViewModel {
         public IEnumerable<IModuleFeature> Features { get; set; }
-        public FeaturesOptions Options { get; set; }
-    }
-
-    public class FeaturesOptions {
-        public FeaturesBulkAction BulkAction { get; set; }
-    }
-
-    public enum FeaturesBulkAction {
-        None,
-        Enable,
-        Disable
     }
 }

src/Orchard.Web/Modules/Orchard.Modules/Views/Admin/Features.ascx

@@ -2,62 +2,53 @@
 <%@ Import Namespace="Orchard.Mvc.Html"%>
 <%@ Import Namespace="Orchard.Modules.ViewModels"%>
 <h1><%=Html.TitleForPage(T("Manage Features").ToString()) %></h1>
-<div class="manage" style="visibility:hidden"><%=Html.ActionLink(T("∞").ToString(), "Features", new { }, new { @class = "button primaryAction" })%></div>
+<% if (Model.Features.Count() > 0) { %>
-<% if (Model.Features.Count() > 0) {
+<ul class="contentItems"><%
-       
+    var featureGroups = Model.Features.OrderBy(f => f.Descriptor.Category).GroupBy(f => f.Descriptor.Category);
-using (Html.BeginFormAntiForgeryPost()) { %>
+    foreach (var featureGroup in featureGroups) { %>
-    <%=Html.ValidationSummary()%>
+    <li<%=featureGroup == featureGroups.Last() ? " class=\"last\"" : "" %>>
-    <fieldset class="actions bulk">
+        <h2><%=Html.Encode(featureGroup.First().Descriptor.Category ?? T("Uncategorized")) %></h2>
-        <label for="publishActions"><%=_Encoded("Actions: ")%></label>
+        <ul><%
-        <select id="publishActions" name="<%=Html.NameOf(m => m.Options.BulkAction) %>">
+            var features = featureGroup.OrderBy(f => f.Descriptor.Name);
-            <%=Html.SelectOption(Model.Options.BulkAction, FeaturesBulkAction.None, _Encoded("Choose action...").ToString())%>
+            foreach (var feature in features) {%>
-            <%=Html.SelectOption(Model.Options.BulkAction, FeaturesBulkAction.Enable, _Encoded("Enable").ToString())%>
+            <li<%=feature == features.Last() ? " class=\"last\"" : "" %> id="<%=Html.Encode(feature.Descriptor.Name) %>">
-            <%=Html.SelectOption(Model.Options.BulkAction, FeaturesBulkAction.Disable, _Encoded("Disable").ToString())%>
+                <div class="summary">
-        </select>
+                    <div class="properties">
-        <input class="button" type="submit" name="submit.BulkEdit" value="<%=_Encoded("Apply") %>" />
+                        <h3><%=Html.Encode(feature.Descriptor.Name) %></h3>
-    </fieldset>
+                        <ul class="pageStatus">
-    <fieldset class="pageList">
+                            <li><%
-        <ul class="contentItems"><%
+                            //enabled or not
-            foreach (var featureGroup in Model.Features.OrderBy(f => f.Descriptor.Category).GroupBy(f => f.Descriptor.Category)) { %>
+                            if (feature.IsEnabled) { %>
-            <li<%=featureGroup == Model.Features.Last() ? " class=\"last\"" : "" %>>
+                                <img class="icon" src="<%=ResolveUrl("~/Modules/Orchard.Modules/Content/Admin/images/enabled.gif") %>" alt="<%=_Encoded("Enabled") %>" title="<%=_Encoded("This feature is currently enabled") %>" /><%=_Encoded("Enabled") %><%
-                <h2><%=Html.Encode(featureGroup.First().Descriptor.Category ?? T("Uncategorized")) %></h2>
+                            }
-                <ul><%
+                            else { %>
-                    foreach (var feature in featureGroup.OrderBy(f => f.Descriptor.Name)) {%>
+                                <img class="icon" src="<%=ResolveUrl("~/Modules/Orchard.Modules/Content/Admin/images/disabled.gif") %>" alt="<%=_Encoded("Disabled") %>" title="<%=_Encoded("This feature is currently disabled") %>" /><%=_Encoded("Disabled")%><%
-                    <li<%=feature == featureGroup.Last() ? " class=\"last\"" : "" %> id="<%=Html.Encode(feature.Descriptor.Name) %>">
+                            } %>
-                        <div class="summary">
+                            </li><%
-                            <div class="properties">
+                            //dependencies
-                                <input type="checkbox" name="selection" value="<%=Html.Encode(feature.Descriptor.Name) %>" />
+                            if (feature.Descriptor.Dependencies != null && feature.Descriptor.Dependencies.Count() > 0) { %>
-                                <h3><%=Html.Encode(feature.Descriptor.Name) %></h3>
+                            <li>&nbsp;&#124;&nbsp;<%=T("Depends on: {0}", string.Join(", ", feature.Descriptor.Dependencies.Select(s => Html.Link(Html.Encode(s), string.Format("{0}#{1}", Url.Action("features", new { area = "Orchard.Modules" }), Html.Encode(s)))).OrderBy(s => s).ToArray())) %></li><%
-                                <ul class="pageStatus">
+                            } %>
-                                    <li><%
+                        </ul>
-                                    //enabled or not
+                    </div>
-                                    if (feature.IsEnabled) { %>
+                    <div class="related"><%
-                                        <img class="icon" src="<%=ResolveUrl("~/Modules/Orchard.Modules/Content/Admin/images/enabled.gif") %>" alt="<%=_Encoded("Enabled") %>" title="<%=_Encoded("This feature is currently enabled") %>" /><%=_Encoded("Enabled") %><%
+                        if (feature.IsEnabled) {
-                                    }
+                        using (Html.BeginFormAntiForgeryPost(string.Format("{0}#{1}", Url.Action("Disable", new { area = "Orchard.Modules" }), Html.AttributeEncode(feature.Descriptor.Name)), FormMethod.Post, new {@class = "inline link"})) { %>
-                                    else { %>
+                            <%=Html.Hidden("featureName", feature.Descriptor.Name) %>
-                                        <img class="icon" src="<%=ResolveUrl("~/Modules/Orchard.Modules/Content/Admin/images/disabled.gif") %>" alt="<%=_Encoded("Disabled") %>" title="<%=_Encoded("This feature is currently disabled") %>" /><%=_Encoded("Disabled")%><%
+                            <button type="submit"><%=_Encoded("Disable") %></button><%
-                                    } %>
+                        }
-                                    </li><%
+                        } else {
-                                    //dependencies
+                        using (Html.BeginFormAntiForgeryPost(string.Format("{0}#{1}", Url.Action("Enable", new { area = "Orchard.Modules" }), Html.AttributeEncode(feature.Descriptor.Name)), FormMethod.Post, new {@class = "inline link"})) { %>
-                                    if (feature.Descriptor.Dependencies != null && feature.Descriptor.Dependencies.Count() > 0) { %>
+                            <%=Html.Hidden("featureName", feature.Descriptor.Name) %>
-                                    <li>&nbsp;&#124;&nbsp;<%=T("Depends on: {0}", string.Join(", ", feature.Descriptor.Dependencies.Select(s => Html.Link(Html.Encode(s), string.Format("{0}#{1}", Url.Action("features", new { area = "Orchard.Modules" }), Html.Encode(s)))).OrderBy(s => s).ToArray())) %></li><%
+                            <button type="submit"><%=_Encoded("Enable") %></button><%
-                                    } %>
+                        }
-                                </ul>
+                        } %>
-                            </div>
+                    </div>
-                            <div class="related"><%
+                </div>
-                                if (feature.IsEnabled) { %>
-                                <a href="<%=Html.AntiForgeryTokenGetUrl(Url.Action("Disable", new { featureName = feature.Descriptor.Name, area = "Orchard.Modules" })) %>"><%=_Encoded("Disable") %></a><%
-                                } else { %>
-                                <a href="<%=Html.AntiForgeryTokenGetUrl(Url.Action("Enable", new { featureName = feature.Descriptor.Name, area = "Orchard.Modules" })) %>"><%=_Encoded("Enable") %></a><%
-                                } %>
-                            </div>
-                        </div>
-                    </li><%
-                    } %>
-                </ul>
             </li><%
             } %>
-        </ul><%
+        </ul>
-        } %>
+    </li><%
-    </fieldset><%
+    } %>
+</ul><%
 } %>   

src/Orchard.Web/Modules/Orchard.Themes/Scripts/base.js

@@ -50,10 +50,10 @@ jQuery.fn.extend({
 (function() {
     $("form.inline.link").each(function() {
         var _this = $(this);
-        var link = $("<a href='.'/>");
+        var link = $("<a class='wasFormInlineLink' href='.'/>");
         var button = _this.children("button").first();
         link.text(button.text())
-            .css("cursor", "pointer")
+            .addClass(button.attr("class"))
             .click(function() { _this.submit(); return false; })
             .unload(function() { _this = 0; });
         _this.replaceWith(link);

src/Orchard.Web/Modules/Orchard.Themes/Views/Admin/Index.aspx

@@ -27,33 +27,24 @@
       <div>
         <h3><%=Html.Encode(theme.DisplayName) %></h3>
         <%=Html.Image(Html.ThemePath(theme, "/Theme.png"), Html.Encode(theme.DisplayName), null)%>
-        
+        <% using (Html.BeginFormAntiForgeryPost(Url.Action("Activate"), FormMethod.Post, new { @class = "inline" })) { %>
-            <% using (Html.BeginFormAntiForgeryPost(Url.Action("Activate"), FormMethod.Post, new { @class = "inline" }))
+            <%=Html.Hidden("themeName", theme.ThemeName)%>
-               { %>
+            <button type="submit" title="<%=_Encoded("Activate") %>"><%=_Encoded("Activate") %></button>
-                <fieldset>
+        <% } %>
-                    <button type="submit" title="<%=_Encoded("Activate") %>" name="themeName" value="<%=theme.ThemeName %>"><%=_Encoded("Activate") %></button>
+        <% using (Html.BeginFormAntiForgeryPost(Url.Action("Preview"), FormMethod.Post, new { @class = "inline" })) { %>
-                </fieldset>
+            <%=Html.Hidden("themeName", theme.ThemeName)%>
-            <% } %>
+            <button type="submit" title="<%=_Encoded("Preview") %>"><%=_Encoded("Preview") %></button>
-            <% using (Html.BeginFormAntiForgeryPost(Url.Action("Preview"), FormMethod.Post, new { @class = "inline" }))
+        <% } %>
-               { %>
-                <fieldset>
-                    <button type="submit" title="<%=_Encoded("Preview") %>" name="themeName" value="<%=theme.ThemeName %>"><%=_Encoded("Preview") %></button>
-                </fieldset>
-            <% } %>
-
         <h5><%=_Encoded("By") %> <%=Html.Encode(theme.Author) %></h5>
         <p>
             <%=_Encoded("Version:") %> <%=Html.Encode(theme.Version) %><br />
             <%=Html.Encode(theme.Description) %><br />
             <%=Html.Encode(theme.HomePage) %>
         </p>
-                <% using (Html.BeginFormAntiForgeryPost(Url.Action("Uninstall"), FormMethod.Post, new { @class = "inline" }))
+        <% using (Html.BeginFormAntiForgeryPost(Url.Action("Uninstall"), FormMethod.Post, new { @class = "inline link" })) { %>
-               { %>
+            <%=Html.Hidden("themeName", theme.ThemeName)%>
-                <fieldset>
+           <button type="submit" class="uninstall" title="<%=_Encoded("Uninstall") %>"><%=_Encoded("Uninstall")%></button>
-                    <button type="submit" class="linkButton" title="<%=_Encoded("Uninstall") %>" name="themeName" value="<%=theme.ThemeName %>"><%=_Encoded("Uninstall")%></button>
+        <% } %>
-                </fieldset>
-            <% } %>
-
      </div>   
     </li>
     <% }

src/Orchard.Web/Modules/Orchard.Themes/Views/Admin/ThemePreview.ascx

@@ -2,37 +2,68 @@
 <%@ Import Namespace="Orchard.Mvc.Html"%>
 <%@ Import Namespace="Orchard.Themes.ViewModels"%>
 <style type="text/css">
-#themepreview, #themepreview fieldset, #themepreview input, #themepreview select 
+body {
-{
+    margin-top:40px;
-    margin: 0; padding: 0; border:none; font-size: 1em; width:auto; color: #000;
-    font-family:Frutiger,"Frutiger Linotype",Univers,Calibri,"Gill Sans","Gill Sans MT","Myriad Pro",Myriad,"DejaVu Sans Condensed","Liberation Sans","Nimbus Sans L",Tahoma,Geneva,"Helvetica Neue",Helvetica,Arial,sans-serif;
 }
-/*#themepreview { background: #000; font-size:15px; padding:5px; }*/
+#themepreview {
-#themepreview span { color: #ccc; padding-right:5px;  }
+    background:#2D2F25 url('<%=ResolveUrl("../../Styles/Images/toolBarBackground.gif") %>') repeat-x left top;
-#themepreview fieldset {  margin: 0; padding: 3px; }
+    border-bottom:1px solid #494d4d;
-/*#themepreview button { font-size: 13px; padding:0 3px; margin-left:10px; }*/
+    font-size:15px; 
-#themepreview button.preview { margin-left:0; }
+    left:0;
+    height:30px;
+    margin:0;
+    position:absolute;
+    overflow:hidden;
+    padding:5px 0;
+    top:0;
+    width:100%;
+}   
+#themepreview fieldset,
+#themepreview span, #themepreview input,
+#themepreview select, #themepreview button  {
+    border:none;
+    color:#000;
+    font:1em/1em Frutiger,"Frutiger Linotype",Univers,Calibri,"Gill Sans","Gill Sans MT","Myriad Pro",Myriad,"DejaVu Sans Condensed","Liberation Sans","Nimbus Sans L",Tahoma,Geneva,"Helvetica Neue",Helvetica,Arial,sans-serif;
+    margin:0;
+    padding:0;
+    width:auto;
+}
+#themepreview span { color: #ccc; padding-right:5px; }
+#themepreview fieldset { padding:3px 8px; }
 html.dyn #themepreview button.preview { display:none; }
+#themepreview fieldset * { float:left; }
+#themepreview fieldset span { line-height:1.6em; }
 #themepreview button.cancel { float:right; }
-
-#themepreview { background: #2D2F25 url('<%=ResolveUrl("../../Styles/Images/toolBarBackground.gif") %>') repeat-x left top; font-size:15px; padding:5px; border-bottom:1px solid #494d4d;}
-
 /* Button styles */
-#themepreview button { font-size: 13px; padding:2px 4px; margin: 0 0 0 10px; text-align:center; color:#f1f1f1; border:1px solid; border-top-color:#191d1d; border-right-color:#494d4d; border-bottom-color:#494d4d; border-left-color:#202626; background:#2a2626 url('<%=ResolveUrl("../../Styles/Images/toolBarActiveButtonBackground.gif") %>') repeat-x left center; }
+#themepreview button {
-
+    background:#2a2626 url('<%=ResolveUrl("../../Styles/Images/toolBarActiveButtonBackground.gif") %>') repeat-x left center;
-/* Hover for buttons */
+    border:1px solid;
-#themepreview button:hover { color:#fdcc64; border:1px #545959 solid; cursor:pointer; background:#2a2626 url('<%=ResolveUrl("../../Styles/Images/toolBarHoverButtonBackground.gif") %>') repeat-x left center; }
+    border-top-color:#191d1d;
-
+    border-right-color:#494d4d;
+    border-bottom-color:#494d4d;
+    border-left-color:#202626;
+    color:#f1f1f1;
+    line-height:1.22em;
+    margin: 0 0 0 10px;
+    padding:0 4px 1px;
+    text-align:center;
+}
+#themepreview button:hover {
+    background:#2a2626 url('<%=ResolveUrl("../../Styles/Images/toolBarHoverButtonBackground.gif") %>') repeat-x left center;
+    border-color:#545959;
+    color:#fdcc64;
+    cursor:pointer;
+}
 </style>
 <div id="themepreview">
 <% using(Html.BeginFormAntiForgeryPost(Url.Action("Preview", new{Controller="Admin", Area="Orchard.Themes"}), FormMethod.Post, new { @class = "inline" })) { %>
     <fieldset>    
         <span><%=T("You are previewing: ")%></span>
+        <%=Html.Hidden("ReturnUrl", Context.Request.Url)%>
         <%=Html.DropDownList("ThemeName", Model.Themes, new {onChange = "this.form.submit();"})%>
         <button type="submit" class="preview" title="<%=_Encoded("Preview")%>" name="submit.Preview" value="<%=_Encoded("Preview")%>"><%=_Encoded("Preview")%></button>
         <button type="submit" title="<%=_Encoded("Apply")%>" name="submit.Apply" value="<%=_Encoded("Apply")%>"><%=_Encoded("Apply this theme") %></button>
         <button type="submit" class="cancel" title="<%=_Encoded("Cancel")%>" name="submit.Cancel" value="<%=_Encoded("Cancel")%>"><%=_Encoded("Cancel")%></button>
-        <%=Html.Hidden("ReturnUrl", Context.Request.Url)%>
     </fieldset>
 <% } %>
 </div>

src/Orchard.Web/Themes/TheAdmin/Styles/site.css

@@ -731,8 +731,11 @@ todo: (heskew) pull out into relevant modules where appropriate
     zoom:1;
     *display: inline;
 }
-.templates fieldset {
+.templates .inline button {
-    margin:0 0 .933%;
+    font-size:1.2em;
+}
+.templates .wasFormInlineLink {
+    font-size:1.4em;
 }
 .templates p {
     overflow:hidden;

src/Orchard/Caching/AcquireContext.cs

@@ -0,0 +1,4 @@
+namespace Orchard.Caching {
+    public class AcquireContext {
+    }
+}

src/Orchard/Caching/Cache.cs

@@ -0,0 +1,31 @@
+using System;
+using System.Collections.Generic;
+
+namespace Orchard.Caching {
+    public class Cache<TKey, TResult> : ICache<TKey, TResult> {
+        private readonly Dictionary<TKey, CacheEntry> _entries;
+
+        public Cache() {
+            _entries = new Dictionary<TKey, CacheEntry>();
+        }
+
+        #region Implementation of ICache<TKey,TResult>
+
+        public TResult Get(TKey key, Func<AcquireContext, TResult> acquire) {
+            CacheEntry entry;
+            if (!_entries.TryGetValue(key, out entry)) {
+                AcquireContext context = new AcquireContext();
+                entry = new CacheEntry {Result = acquire(context)};
+                _entries.Add(key, entry);
+            }
+            return entry.Result;
+        }
+
+        #endregion
+
+        public class CacheEntry {
+            public TResult Result { get; set; }
+        }
+    }
+
+}

src/Orchard/Caching/DefaultCacheManager.cs

@@ -0,0 +1,32 @@
+using System;
+using System.Collections.Generic;
+using Castle.Core;
+
+namespace Orchard.Caching {
+    public class DefaultCacheManager : ICacheManager {
+        private readonly Dictionary<Pair<Type, Type>, object> _caches;
+
+        public DefaultCacheManager() {
+            _caches = new Dictionary<Pair<Type, Type>, object>();
+        }
+
+        #region Implementation of ICacheManager
+
+        public TResult Get<TKey, TResult>(TKey key, Func<AcquireContext, TResult> acquire) {
+            return GetCache<TKey, TResult>().Get(key, acquire);
+        }
+
+        public ICache<TKey, TResult> GetCache<TKey, TResult>() {
+            var cacheKey = new Pair<Type, Type>(typeof(TKey), typeof(TResult));
+            object value;
+            if (!_caches.TryGetValue(cacheKey, out value)) {
+                value = new Cache<TKey, TResult>();
+                _caches.Add(cacheKey, value);
+            }
+
+            return (ICache<TKey, TResult>)value;
+        }
+
+        #endregion
+    }
+}

src/Orchard/Caching/ICache.cs

@@ -0,0 +1,7 @@
+using System;
+
+namespace Orchard.Caching {
+    public interface ICache<TKey, TResult> {
+        TResult Get(TKey key, Func<AcquireContext, TResult> acquire);
+    }
+}

src/Orchard/Caching/ICacheManager.cs

@@ -0,0 +1,8 @@
+using System;
+
+namespace Orchard.Caching {
+    public interface ICacheManager : ISingletonDependency {
+        TResult Get<TKey, TResult>(TKey key, Func<AcquireContext, TResult> acquire);
+        ICache<TKey, TResult> GetCache<TKey, TResult>();
+    }
+}

src/Orchard/Orchard.Framework.csproj

@@ -131,6 +131,11 @@
     <Compile Include="Validation\Argument.cs" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="Caching\AcquireContext.cs" />
+    <Compile Include="Caching\Cache.cs" />
+    <Compile Include="Caching\DefaultCacheManager.cs" />
+    <Compile Include="Caching\ICache.cs" />
+    <Compile Include="Caching\ICacheManager.cs" />
     <Compile Include="Commands\CommandParameters.cs" />
     <Compile Include="Commands\CommandDescriptor.cs" />
     <Compile Include="Commands\CommandHandlerDescriptor.cs" />