2 files changed, 107 insertions, 42 deletions

diff --git a/OpenSim/Services/HypergridService/HGAssetService.cs b/OpenSim/Services/HypergridService/HGAssetService.cs
index 9b098a0..584ab6f 100644
--- a/OpenSim/Services/HypergridService/HGAssetService.cs
+++ b/OpenSim/Services/HypergridService/HGAssetService.cs
@@ -35,6 +35,7 @@ using log4net;
 using OpenMetaverse;
 
 using OpenSim.Framework;
+using OpenSim.Framework.Serialization.External;
 using OpenSim.Server.Base;
 using OpenSim.Services.Interfaces;
 using OpenSim.Services.AssetService;
@@ -131,48 +132,7 @@ namespace OpenSim.Services.HypergridService
         protected byte[] AdjustIdentifiers(byte[] data)
         {
             string xml = Utils.BytesToString(data);
-            return Utils.StringToBytes(RewriteSOP(xml));
-        }
-
-        protected string RewriteSOP(string xml)
-        {
-            XmlDocument doc = new XmlDocument();
-            doc.LoadXml(xml);
-            XmlNodeList sops = doc.GetElementsByTagName("SceneObjectPart");
-
-            foreach (XmlNode sop in sops)
-            {
-                UserAccount creator = null;
-                bool hasCreatorData = false;
-                XmlNodeList nodes = sop.ChildNodes;
-                foreach (XmlNode node in nodes)
-                {
-                    if (node.Name == "CreatorID")
-                        creator = m_Cache.GetUser(node.InnerText);
-                    if (node.Name == "CreatorData" && node.InnerText != null && node.InnerText != string.Empty)
-                        hasCreatorData = true;
-
-                    //if (node.Name == "OwnerID")
-                    //{
-                    //    UserAccount owner = GetUser(node.InnerText);
-                    //    if (owner != null)
-                    //        node.InnerText = m_ProfileServiceURL + "/" + node.InnerText + "/" + owner.FirstName + " " + owner.LastName;
-                    //}
-                }
-                if (!hasCreatorData && creator != null)
-                {
-                    XmlElement creatorData = doc.CreateElement("CreatorData");
-                    creatorData.InnerText = m_ProfileServiceURL + "/" + creator.PrincipalID + ";" + creator.FirstName + " " + creator.LastName;
-                    sop.AppendChild(creatorData);
-                }
-            }
-
-            using (StringWriter wr = new StringWriter())
-            {
-                doc.Save(wr);
-                return wr.ToString();
-            }
- 
+            return Utils.StringToBytes(ExternalRepresentationUtils.RewriteSOP(xml, m_ProfileServiceURL, m_Cache, UUID.Zero));
         }
 
     }
diff --git a/OpenSim/Services/HypergridService/UserAccountCache.cs b/OpenSim/Services/HypergridService/UserAccountCache.cs
new file mode 100644
index 0000000..3e9aea1
--- /dev/null
+++ b/OpenSim/Services/HypergridService/UserAccountCache.cs
@@ -0,0 +1,105 @@
+using System;
+using System.Collections.Generic;
+using System.Reflection;
+
+using log4net;
+using OpenMetaverse;
+
+using OpenSim.Services.Interfaces;
+
+namespace OpenSim.Services.HypergridService
+{
+    public class UserAccountCache : IUserAccountService
+    {
+        private const double CACHE_EXPIRATION_SECONDS = 120000.0; // 33 hours!
+
+        private static readonly ILog m_log =
+                LogManager.GetLogger(
+                MethodBase.GetCurrentMethod().DeclaringType);
+        private ExpiringCache<UUID, UserAccount> m_UUIDCache;
+
+        private IUserAccountService m_UserAccountService;
+
+        private static UserAccountCache m_Singleton;
+
+        public static UserAccountCache CreateUserAccountCache(IUserAccountService u)
+        {
+            if (m_Singleton == null)
+                m_Singleton = new UserAccountCache(u);
+
+            return m_Singleton;
+        }
+
+        private UserAccountCache(IUserAccountService u)
+        {
+            m_UUIDCache = new ExpiringCache<UUID, UserAccount>();
+            m_UserAccountService = u;
+        }
+
+        public void Cache(UUID userID, UserAccount account)
+        {
+            // Cache even null accounts
+            m_UUIDCache.AddOrUpdate(userID, account, CACHE_EXPIRATION_SECONDS);
+
+            //m_log.DebugFormat("[USER CACHE]: cached user {0}", userID);
+        }
+
+        public UserAccount Get(UUID userID, out bool inCache)
+        {
+            UserAccount account = null;
+            inCache = false;
+            if (m_UUIDCache.TryGetValue(userID, out account))
+            {
+                //m_log.DebugFormat("[USER CACHE]: Account {0} {1} found in cache", account.FirstName, account.LastName);
+                inCache = true;
+                return account;
+            }
+
+            return null;
+        }
+
+        public UserAccount GetUser(string id)
+        {
+            UUID uuid = UUID.Zero;
+            UUID.TryParse(id, out uuid);
+            bool inCache = false;
+            UserAccount account = Get(uuid, out inCache);
+            if (!inCache)
+            {
+                account = m_UserAccountService.GetUserAccount(UUID.Zero, uuid);
+                Cache(uuid, account);
+            }
+
+            return account;
+        }
+
+        #region IUserAccountService
+        public UserAccount GetUserAccount(UUID scopeID, UUID userID)
+        {
+            return GetUser(userID.ToString());
+        }
+
+        public UserAccount GetUserAccount(UUID scopeID, string FirstName, string LastName)
+        {
+            return null;
+        }
+
+        public UserAccount GetUserAccount(UUID scopeID, string Email)
+        {
+            return null;
+        }
+
+        public List<UserAccount> GetUserAccounts(UUID scopeID, string query)
+        {
+            return null;
+        }
+
+        public bool StoreUserAccount(UserAccount data)
+        {
+            return false;
+        }
+        #endregion
+
+    }
+
+}