5 files changed, 65 insertions, 13 deletions

diff --git a/OpenSim/Framework/InventoryItemBase.cs b/OpenSim/Framework/InventoryItemBase.cs
index 558dfd0..5761200 100644
--- a/OpenSim/Framework/InventoryItemBase.cs
+++ b/OpenSim/Framework/InventoryItemBase.cs
@@ -82,12 +82,15 @@ namespace OpenSim.Framework
             set
             {
                 m_creatorId = value;
+                
+                if ((m_creatorId == null) || !UUID.TryParse(m_creatorId, out m_creatorIdAsUuid))
+                    m_creatorIdAsUuid = UUID.Zero;
             }
         }
         protected string m_creatorId;
 
         /// <value>
-        /// The CreatorId expressed as a UUID.tely
+        /// The CreatorId expressed as a UUID.
         /// </value>
         public UUID CreatorIdAsUuid 
         {
diff --git a/OpenSim/Framework/PluginLoader.cs b/OpenSim/Framework/PluginLoader.cs
index 819cb7b..a2bf9f3 100644
--- a/OpenSim/Framework/PluginLoader.cs
+++ b/OpenSim/Framework/PluginLoader.cs
@@ -215,7 +215,7 @@ namespace OpenSim.Framework
             AddinManager.AddinLoadError += on_addinloaderror_;
             AddinManager.AddinLoaded += on_addinloaded_;
 
-            clear_registry_();
+            clear_registry_(dir);
 
             suppress_console_output_(true);
             AddinManager.Initialize(dir);
@@ -239,18 +239,19 @@ namespace OpenSim.Framework
                         + args.Exception.StackTrace);
         }
 
-        private void clear_registry_()
+        private void clear_registry_(string dir)
         {
             // The Mono addin manager (in Mono.Addins.dll version 0.2.0.0)
             // occasionally seems to corrupt its addin cache
             // Hence, as a temporary solution we'll remove it before each startup
+
             try
             {
-                if (Directory.Exists("addin-db-000"))
-                    Directory.Delete("addin-db-000", true);
+                if (Directory.Exists(dir + "/addin-db-000"))
+                    Directory.Delete(dir + "/addin-db-000", true);
 
-                if (Directory.Exists("addin-db-001"))
-                    Directory.Delete("addin-db-001", true);
+                if (Directory.Exists(dir + "/addin-db-001"))
+                    Directory.Delete(dir + "/addin-db-001", true);
             }
             catch (IOException)
             {
diff --git a/OpenSim/Framework/Serialization/External/ExternalRepresentationUtils.cs b/OpenSim/Framework/Serialization/External/ExternalRepresentationUtils.cs
index c56f213..db46ea8 100644
--- a/OpenSim/Framework/Serialization/External/ExternalRepresentationUtils.cs
+++ b/OpenSim/Framework/Serialization/External/ExternalRepresentationUtils.cs
@@ -1,4 +1,4 @@
-/*
+/*
  * Copyright (c) Contributors, http://opensimulator.org/
  * See CONTRIBUTORS.TXT for a full list of copyright holders.
  *
@@ -161,7 +161,7 @@ namespace OpenSim.Framework.Serialization.External
                 if (!hasCreatorData && creator != null)
                 {
                     XmlElement creatorData = doc.CreateElement("CreatorData");
-                    creatorData.InnerText = homeURL + ";" + creator.FirstName + " " + creator.LastName;
+                    creatorData.InnerText = CalcCreatorData(homeURL, creator.FirstName + " " + creator.LastName);
                     sop.AppendChild(creatorData);
                 }
             }
@@ -172,5 +172,15 @@ namespace OpenSim.Framework.Serialization.External
                 return wr.ToString();
             }
         }
+
+        public static string CalcCreatorData(string homeURL, string name)
+        {
+            return homeURL + ";" + name;
+        }
+
+        internal static string CalcCreatorData(string homeURL, UUID uuid, string name)
+        {
+            return homeURL + "/" + uuid + ";" + name;
+        }
     }
-}
\ No newline at end of file
+}
diff --git a/OpenSim/Framework/Serialization/External/UserInventoryItemSerializer.cs b/OpenSim/Framework/Serialization/External/UserInventoryItemSerializer.cs
index f2a6b8b..135cefb 100644
--- a/OpenSim/Framework/Serialization/External/UserInventoryItemSerializer.cs
+++ b/OpenSim/Framework/Serialization/External/UserInventoryItemSerializer.cs
@@ -286,7 +286,8 @@ namespace OpenSim.Framework.Serialization.External
                     UserAccount account = userAccountService.GetUserAccount(UUID.Zero, inventoryItem.CreatorIdAsUuid);
                     if (account != null)
                     {
-                        writer.WriteElementString("CreatorData", (string)options["home"] + "/" + inventoryItem.CreatorIdAsUuid + ";" + account.FirstName + " " + account.LastName);
+                        string creatorData = ExternalRepresentationUtils.CalcCreatorData((string)options["home"], inventoryItem.CreatorIdAsUuid, account.FirstName + " " + account.LastName);
+                        writer.WriteElementString("CreatorData", creatorData);
                     }
                     writer.WriteElementString("CreatorID", inventoryItem.CreatorId);
                 }
diff --git a/OpenSim/Framework/Util.cs b/OpenSim/Framework/Util.cs
index efaed62..c2c9698 100644
--- a/OpenSim/Framework/Util.cs
+++ b/OpenSim/Framework/Util.cs
@@ -2250,10 +2250,15 @@ namespace OpenSim.Framework
             {
                 string[] parts = firstName.Split(new char[] { '.' });
                 if (parts.Length == 2)
-                    return id.ToString() + ";" + agentsURI + ";" + parts[0] + " " + parts[1];
+                    return CalcUniversalIdentifier(id, agentsURI, parts[0] + " " + parts[1]);
             }
-            return id.ToString() + ";" + agentsURI + ";" + firstName + " " + lastName;
+            
+            return CalcUniversalIdentifier(id, agentsURI, firstName + " " + lastName);
+        }
 
+        private static string CalcUniversalIdentifier(UUID id, string agentsURI, string name)
+        {
+            return id.ToString() + ";" + agentsURI + ";" + name;
         }
 
         /// <summary>
@@ -2288,6 +2293,38 @@ namespace OpenSim.Framework
         {
             return str.Replace("_", "\\_").Replace("%", "\\%");
         }
+
+        /// <summary>
+        /// Returns the name of the user's viewer.
+        /// </summary>
+        /// <remarks>
+        /// This method handles two ways that viewers specify their name:
+        /// 1. Viewer = "Firestorm-Release 4.4.2.34167", Channel = "(don't care)" -> "Firestorm-Release 4.4.2.34167"
+        /// 2. Viewer = "4.5.1.38838", Channel = "Firestorm-Beta" -> "Firestorm-Beta 4.5.1.38838"
+        /// </remarks>
+        public static string GetViewerName(AgentCircuitData agent)
+        {
+            string name = agent.Viewer;
+            if (name == null)
+                name = "";
+            else
+                name = name.Trim();
+
+            // Check if 'Viewer' is just a version number. If it's *not*, then we
+            // assume that it contains the real viewer name, and we return it.
+            foreach (char c in name)
+            {
+                if (Char.IsLetter(c))
+                    return name;
+            }
+
+            // The 'Viewer' string contains just a version number. If there's anything in
+            // 'Channel' then assume that it's the viewer name.
+            if ((agent.Channel != null) && (agent.Channel.Length > 0))
+                name = agent.Channel.Trim() + " " + name;
+
+            return name;
+        }
     }
 
     public class DoubleQueue<T> where T:class