U4-8447 - prepare for NuCache (work-in-progress)

src/Umbraco.Web/PublishedCache/XmlPublishedCache/DomainCache.cs

@@ -0,0 +1,33 @@
+using System.Collections.Generic;
+using System.Globalization;
+using System.Linq;
+using Umbraco.Web.Routing;
+using Umbraco.Core;
+using Umbraco.Core.Services;
+
+namespace Umbraco.Web.PublishedCache.XmlPublishedCache
+{
+    class DomainCache : IDomainCache
+    {
+        private readonly IDomainService _domainService;
+
+        public DomainCache(IDomainService domainService)
+        {
+            _domainService = domainService;
+        }
+
+        public IEnumerable<Domain> GetAll(bool includeWildcards)
+        {
+            return _domainService.GetAll(includeWildcards)
+                .Where(x => x.RootContentId.HasValue && x.LanguageIsoCode.IsNullOrWhiteSpace() == false)
+                .Select(x => new Domain(x.Id, x.DomainName, x.RootContentId.Value, CultureInfo.GetCultureInfo(x.LanguageIsoCode), x.IsWildcard));
+        }
+
+        public IEnumerable<Domain> GetAssigned(int contentId, bool includeWildcards)
+        {
+            return _domainService.GetAssignedDomains(contentId, includeWildcards)
+                 .Where(x => x.RootContentId.HasValue && x.LanguageIsoCode.IsNullOrWhiteSpace() == false)
+                .Select(x => new Domain(x.Id, x.DomainName, x.RootContentId.Value, CultureInfo.GetCultureInfo(x.LanguageIsoCode), x.IsWildcard));
+        }
+    }
+}