Merge branch 'master' of /var/git/opensim/

5 files changed, 368 insertions, 137 deletions

diff --git a/OpenSim/Framework/Communications/Osp/OspInventoryWrapperPlugin.cs b/OpenSim/Framework/Communications/Osp/OspInventoryWrapperPlugin.cs
deleted file mode 100644
index bcd1eee..0000000
--- a/OpenSim/Framework/Communications/Osp/OspInventoryWrapperPlugin.cs
+++ /dev/null
@@ -1,104 +0,0 @@
-/*
- * Copyright (c) Contributors, http://opensimulator.org/
- * See CONTRIBUTORS.TXT for a full list of copyright holders.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *     * Redistributions of source code must retain the above copyright
- *       notice, this list of conditions and the following disclaimer.
- *     * Redistributions in binary form must reproduce the above copyright
- *       notice, this list of conditions and the following disclaimer in the
- *       documentation and/or other materials provided with the distribution.
- *     * Neither the name of the OpenSimulator Project nor the
- *       names of its contributors may be used to endorse or promote products
- *       derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-using System.Collections.Generic;
-using OpenSim.Data;
-using OpenMetaverse;
-using OpenSim.Services.Interfaces;
-
-namespace OpenSim.Framework.Communications.Osp
-{
-    /// <summary>
-    /// Wrap other inventory data plugins so that we can perform OSP related post processing for items
-    /// </summary>
-    public class OspInventoryWrapperPlugin : IInventoryDataPlugin
-    {
-        protected IInventoryDataPlugin m_wrappedPlugin;
-        //protected CommunicationsManager m_commsManager;
-        protected IUserAccountService m_userAccountService;
-
-        public OspInventoryWrapperPlugin(IInventoryDataPlugin wrappedPlugin, IUserAccountService userService)
-        {
-            m_wrappedPlugin = wrappedPlugin;
-            m_userAccountService = userService;
-        }
-            
-        public string Name { get { return "OspInventoryWrapperPlugin"; } }
-        public string Version { get { return "0.1"; } }
-        public void Initialise() {}
-        public void Initialise(string connect) {}
-        public void Dispose() {}
-
-        public InventoryItemBase getInventoryItem(UUID item)
-        {
-            return PostProcessItem(m_wrappedPlugin.getInventoryItem(item));
-        }
-
-        // XXX: Why on earth does this exist as it appears to duplicate getInventoryItem?
-        public InventoryItemBase queryInventoryItem(UUID item)
-        {
-            return PostProcessItem(m_wrappedPlugin.queryInventoryItem(item));
-        }
-        
-        public List<InventoryItemBase> getInventoryInFolder(UUID folderID)
-        {
-            List<InventoryItemBase> items = m_wrappedPlugin.getInventoryInFolder(folderID);
-            
-            foreach (InventoryItemBase item in items)
-                PostProcessItem(item);
-
-            return items;
-        }
-
-        public List<InventoryItemBase> fetchActiveGestures(UUID avatarID)
-        {
-            return m_wrappedPlugin.fetchActiveGestures(avatarID);
-
-            // Presuming that no post processing is needed here as gestures don't refer to creator information (?)
-        }
-
-        protected InventoryItemBase PostProcessItem(InventoryItemBase item)
-        {
-            item.CreatorIdAsUuid = OspResolver.ResolveOspa(item.CreatorId, m_userAccountService);
-            return item;
-        }
-        
-        public List<InventoryFolderBase> getFolderHierarchy(UUID parentID) { return m_wrappedPlugin.getFolderHierarchy(parentID); }
-        public List<InventoryFolderBase> getUserRootFolders(UUID user) { return m_wrappedPlugin.getUserRootFolders(user); }
-        public InventoryFolderBase getUserRootFolder(UUID user) { return m_wrappedPlugin.getUserRootFolder(user); }
-        public List<InventoryFolderBase> getInventoryFolders(UUID parentID) { return m_wrappedPlugin.getInventoryFolders(parentID); }
-        public InventoryFolderBase getInventoryFolder(UUID folder) { return m_wrappedPlugin.getInventoryFolder(folder); }
-        public void addInventoryItem(InventoryItemBase item) { m_wrappedPlugin.addInventoryItem(item); }
-        public void updateInventoryItem(InventoryItemBase item) { m_wrappedPlugin.updateInventoryItem(item); }
-        public void deleteInventoryItem(UUID item) { m_wrappedPlugin.deleteInventoryItem(item); }
-        public InventoryFolderBase queryInventoryFolder(UUID folder) { return m_wrappedPlugin.queryInventoryFolder(folder); }
-        public void addInventoryFolder(InventoryFolderBase folder) { m_wrappedPlugin.addInventoryFolder(folder); }
-        public void updateInventoryFolder(InventoryFolderBase folder) { m_wrappedPlugin.updateInventoryFolder(folder); }
-        public void moveInventoryFolder(InventoryFolderBase folder) { m_wrappedPlugin.moveInventoryFolder(folder); }
-        public void deleteInventoryFolder(UUID folder) { m_wrappedPlugin.deleteInventoryFolder(folder); }
-    }
-}
diff --git a/OpenSim/Framework/Serialization/External/ExternalRepresentationUtils.cs b/OpenSim/Framework/Serialization/External/ExternalRepresentationUtils.cs
new file mode 100644
index 0000000..5c0630c
--- /dev/null
+++ b/OpenSim/Framework/Serialization/External/ExternalRepresentationUtils.cs
@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Xml;
+
+using OpenMetaverse;
+using OpenSim.Services.Interfaces;
+
+namespace OpenSim.Framework.Serialization.External
+{
+    public class ExternalRepresentationUtils
+    {
+        public static string RewriteSOP(string xml, string profileURL, IUserAccountService userService, UUID scopeID)
+        {
+            if (xml == string.Empty || profileURL == string.Empty || userService == null)
+                return 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")
+                    {
+                        UUID uuid = UUID.Zero;
+                        UUID.TryParse(node.InnerText, out uuid);
+                        creator = userService.GetUserAccount(scopeID, uuid);
+                    }
+                    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 = profileURL + "/" + creator.PrincipalID + ";" + creator.FirstName + " " + creator.LastName;
+                    sop.AppendChild(creatorData);
+                }
+            }
+
+            using (StringWriter wr = new StringWriter())
+            {
+                doc.Save(wr);
+                return wr.ToString();
+            }
+
+        }
+    }
+}
diff --git a/OpenSim/Framework/Communications/Osp/OspResolver.cs b/OpenSim/Framework/Serialization/External/OspResolver.cs
index 24ea64d..7e3dd1b 100644
--- a/OpenSim/Framework/Communications/Osp/OspResolver.cs
+++ b/OpenSim/Framework/Serialization/External/OspResolver.cs
@@ -32,7 +32,7 @@ using OpenMetaverse;
 using OpenSim.Framework;
 using OpenSim.Services.Interfaces;
 
-namespace OpenSim.Framework.Communications.Osp
+namespace OpenSim.Framework.Serialization
 {
     /// <summary>
     /// Resolves OpenSim Profile Anchors (OSPA).  An OSPA is a string used to provide information for 
@@ -57,6 +57,12 @@ namespace OpenSim.Framework.Communications.Osp
         /// <returns>The OSPA.  Null if a user with the given UUID could not be found.</returns>
         public static string MakeOspa(UUID userId, IUserAccountService userService)
         {
+            if (userService == null)
+            {
+                m_log.Warn("[OSP RESOLVER]: UserService is null");
+                return userId.ToString();
+            }
+
             UserAccount account = userService.GetUserAccount(UUID.Zero, userId);
             if (account != null)
                 return MakeOspa(account.FirstName, account.LastName);
diff --git a/OpenSim/Framework/Serialization/External/UserInventoryItemSerializer.cs b/OpenSim/Framework/Serialization/External/UserInventoryItemSerializer.cs
index 862cc72..d5e84c7 100644
--- a/OpenSim/Framework/Serialization/External/UserInventoryItemSerializer.cs
+++ b/OpenSim/Framework/Serialization/External/UserInventoryItemSerializer.cs
@@ -26,11 +26,16 @@
  */
 
 using System;
+using System.Collections.Generic;
 using System.IO;
+using System.Reflection;
 using System.Text;
 using System.Xml;
+
+using log4net;
 using OpenMetaverse;
 using OpenSim.Framework;
+using OpenSim.Services.Interfaces;
     
 namespace OpenSim.Framework.Serialization.External
 {        
@@ -40,6 +45,141 @@ namespace OpenSim.Framework.Serialization.External
     /// XXX: Please do not use yet.
     public class UserInventoryItemSerializer
     {
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+
+        private delegate void InventoryItemXmlProcessor(InventoryItemBase item, XmlTextReader reader);
+        private static Dictionary<string, InventoryItemXmlProcessor> m_InventoryItemXmlProcessors = new Dictionary<string, InventoryItemXmlProcessor>();
+
+        #region InventoryItemBase Processor initialization 
+        static UserInventoryItemSerializer()
+        {
+            m_InventoryItemXmlProcessors.Add("Name", ProcessName);
+            m_InventoryItemXmlProcessors.Add("ID", ProcessID);
+            m_InventoryItemXmlProcessors.Add("InvType", ProcessInvType);
+            m_InventoryItemXmlProcessors.Add("CreatorUUID", ProcessCreatorUUID);
+            m_InventoryItemXmlProcessors.Add("CreatorID", ProcessCreatorID); 
+            m_InventoryItemXmlProcessors.Add("CreatorData", ProcessCreatorData);
+            m_InventoryItemXmlProcessors.Add("CreationDate", ProcessCreationDate);
+            m_InventoryItemXmlProcessors.Add("Owner", ProcessOwner);
+            m_InventoryItemXmlProcessors.Add("Description", ProcessDescription);
+            m_InventoryItemXmlProcessors.Add("AssetType", ProcessAssetType);
+            m_InventoryItemXmlProcessors.Add("AssetID", ProcessAssetID);
+            m_InventoryItemXmlProcessors.Add("SaleType", ProcessSaleType);
+            m_InventoryItemXmlProcessors.Add("SalePrice", ProcessSalePrice);
+            m_InventoryItemXmlProcessors.Add("BasePermissions", ProcessBasePermissions);
+            m_InventoryItemXmlProcessors.Add("CurrentPermissions", ProcessCurrentPermissions);
+            m_InventoryItemXmlProcessors.Add("EveryOnePermissions", ProcessEveryOnePermissions);
+            m_InventoryItemXmlProcessors.Add("NextPermissions", ProcessNextPermissions);
+            m_InventoryItemXmlProcessors.Add("Flags", ProcessFlags);
+            m_InventoryItemXmlProcessors.Add("GroupID", ProcessGroupID);
+            m_InventoryItemXmlProcessors.Add("GroupOwned", ProcessGroupOwned);
+        }
+        #endregion 
+
+        #region InventoryItemBase Processors
+        private static void ProcessName(InventoryItemBase item, XmlTextReader reader)
+        {
+            item.Name = reader.ReadElementContentAsString("Name", String.Empty);
+        }
+
+        private static void ProcessID(InventoryItemBase item, XmlTextReader reader)
+        {
+            item.ID = Util.ReadUUID(reader, "ID");
+        }
+
+        private static void ProcessInvType(InventoryItemBase item, XmlTextReader reader)
+        {
+            item.InvType = reader.ReadElementContentAsInt("InvType", String.Empty);
+        }
+
+        private static void ProcessCreatorUUID(InventoryItemBase item, XmlTextReader reader)
+        {
+            item.CreatorId = reader.ReadElementContentAsString("CreatorUUID", String.Empty);
+        }
+
+        private static void ProcessCreatorID(InventoryItemBase item, XmlTextReader reader)
+        {
+            // when it exists, this overrides the previous
+            item.CreatorId = reader.ReadElementContentAsString("CreatorID", String.Empty);
+        }
+
+        private static void ProcessCreationDate(InventoryItemBase item, XmlTextReader reader)
+        {
+            item.CreationDate = reader.ReadElementContentAsInt("CreationDate", String.Empty);
+        }
+
+        private static void ProcessOwner(InventoryItemBase item, XmlTextReader reader)
+        {
+            item.Owner = Util.ReadUUID(reader, "Owner");
+        }
+
+        private static void ProcessDescription(InventoryItemBase item, XmlTextReader reader)
+        {
+            item.Description = reader.ReadElementContentAsString("Description", String.Empty);
+        }
+
+        private static void ProcessAssetType(InventoryItemBase item, XmlTextReader reader)
+        {
+            item.AssetType = reader.ReadElementContentAsInt("AssetType", String.Empty);
+        }
+
+        private static void ProcessAssetID(InventoryItemBase item, XmlTextReader reader)
+        {
+            item.AssetID = Util.ReadUUID(reader, "AssetID");
+        }
+
+        private static void ProcessSaleType(InventoryItemBase item, XmlTextReader reader)
+        {
+            item.SaleType = (byte)reader.ReadElementContentAsInt("SaleType", String.Empty);
+        }
+
+        private static void ProcessSalePrice(InventoryItemBase item, XmlTextReader reader)
+        {
+            item.SalePrice = reader.ReadElementContentAsInt("SalePrice", String.Empty);
+        }
+
+        private static void ProcessBasePermissions(InventoryItemBase item, XmlTextReader reader)
+        {
+            item.BasePermissions = (uint)reader.ReadElementContentAsInt("BasePermissions", String.Empty);
+        }
+
+        private static void ProcessCurrentPermissions(InventoryItemBase item, XmlTextReader reader)
+        {
+            item.CurrentPermissions = (uint)reader.ReadElementContentAsInt("CurrentPermissions", String.Empty);
+        }
+
+        private static void ProcessEveryOnePermissions(InventoryItemBase item, XmlTextReader reader)
+        {
+            item.EveryOnePermissions = (uint)reader.ReadElementContentAsInt("EveryOnePermissions", String.Empty);
+        }
+
+        private static void ProcessNextPermissions(InventoryItemBase item, XmlTextReader reader)
+        {
+            item.NextPermissions = (uint)reader.ReadElementContentAsInt("NextPermissions", String.Empty);
+        }
+
+        private static void ProcessFlags(InventoryItemBase item, XmlTextReader reader)
+        {
+            item.Flags = (uint)reader.ReadElementContentAsInt("Flags", String.Empty);
+        }
+
+        private static void ProcessGroupID(InventoryItemBase item, XmlTextReader reader)
+        {
+            item.GroupID = Util.ReadUUID(reader, "GroupID");
+        }
+
+        private static void ProcessGroupOwned(InventoryItemBase item, XmlTextReader reader)
+        {
+            item.GroupOwned = Util.ReadBoolean(reader);
+        }
+
+        private static void ProcessCreatorData(InventoryItemBase item, XmlTextReader reader)
+        {
+            item.CreatorData = reader.ReadElementContentAsString("CreatorData", String.Empty);
+        }
+
+        #endregion
+
         /// <summary>
         /// Deserialize item
         /// </summary>
@@ -60,40 +200,47 @@ namespace OpenSim.Framework.Serialization.External
         public static InventoryItemBase Deserialize(string serialization)
         {
             InventoryItemBase item = new InventoryItemBase();
-            
-            StringReader sr = new StringReader(serialization);
-            XmlTextReader xtr = new XmlTextReader(sr);
-            
-            xtr.ReadStartElement("InventoryItem");
-            
-            item.Name                   =                   xtr.ReadElementString("Name");
-            item.ID                     = UUID.Parse(       xtr.ReadElementString("ID"));
-            item.InvType                = Convert.ToInt32(  xtr.ReadElementString("InvType"));            
-            item.CreatorId              =                   xtr.ReadElementString("CreatorUUID");
-            item.CreationDate           = Convert.ToInt32(  xtr.ReadElementString("CreationDate"));
-            item.Owner                  = UUID.Parse(       xtr.ReadElementString("Owner"));
-            item.Description            =                   xtr.ReadElementString("Description");
-            item.AssetType              = Convert.ToInt32(  xtr.ReadElementString("AssetType"));
-            item.AssetID                = UUID.Parse(       xtr.ReadElementString("AssetID"));
-            item.SaleType               = Convert.ToByte(   xtr.ReadElementString("SaleType"));
-            item.SalePrice              = Convert.ToInt32(  xtr.ReadElementString("SalePrice"));
-            item.BasePermissions        = Convert.ToUInt32( xtr.ReadElementString("BasePermissions"));
-            item.CurrentPermissions     = Convert.ToUInt32( xtr.ReadElementString("CurrentPermissions"));
-            item.EveryOnePermissions    = Convert.ToUInt32( xtr.ReadElementString("EveryOnePermissions"));
-            item.NextPermissions        = Convert.ToUInt32( xtr.ReadElementString("NextPermissions"));
-            item.Flags                  = Convert.ToUInt32( xtr.ReadElementString("Flags"));
-            item.GroupID                = UUID.Parse(       xtr.ReadElementString("GroupID"));
-            item.GroupOwned             = Convert.ToBoolean(xtr.ReadElementString("GroupOwned"));
-            
-            xtr.ReadEndElement();
-            
-            xtr.Close();
-            sr.Close();
-            
+
+            using (XmlTextReader reader = new XmlTextReader(new StringReader(serialization)))
+            {
+                reader.ReadStartElement("InventoryItem");
+
+                string nodeName = string.Empty;
+                while (reader.NodeType != XmlNodeType.EndElement)
+                {
+                    nodeName = reader.Name;
+                    InventoryItemXmlProcessor p = null;
+                    if (m_InventoryItemXmlProcessors.TryGetValue(reader.Name, out p))
+                    {
+                        //m_log.DebugFormat("[XXX] Processing: {0}", reader.Name);
+                        try
+                        {
+                            p(item, reader);
+                        }
+                        catch (Exception e)
+                        {
+                            m_log.DebugFormat("[InventoryItemSerializer]: exception while parsing {0}: {1}", nodeName, e);
+                            if (reader.NodeType == XmlNodeType.EndElement)
+                                reader.Read();
+                        }
+                    }
+                    else
+                    {
+                        // m_log.DebugFormat("[InventoryItemSerializer]: caught unknown element {0}", nodeName);
+                        reader.ReadOuterXml(); // ignore
+                    }
+
+                }
+
+                reader.ReadEndElement(); // InventoryItem
+            }
+
+            //m_log.DebugFormat("[XXX]: parsed InventoryItemBase {0} - {1}", obj.Name, obj.UUID);
             return item;
+
         }      
         
-        public static string Serialize(InventoryItemBase inventoryItem)
+        public static string Serialize(InventoryItemBase inventoryItem, Dictionary<string, object> options, IUserAccountService userAccountService)
         {
             StringWriter sw = new StringWriter();
             XmlTextWriter writer = new XmlTextWriter(sw);
@@ -112,7 +259,7 @@ namespace OpenSim.Framework.Serialization.External
             writer.WriteString(inventoryItem.InvType.ToString());
             writer.WriteEndElement();
             writer.WriteStartElement("CreatorUUID");
-            writer.WriteString(inventoryItem.CreatorId);
+            writer.WriteString(OspResolver.MakeOspa(inventoryItem.CreatorIdAsUuid, userAccountService));
             writer.WriteEndElement();
             writer.WriteStartElement("CreationDate");
             writer.WriteString(inventoryItem.CreationDate.ToString());
@@ -156,6 +303,20 @@ namespace OpenSim.Framework.Serialization.External
             writer.WriteStartElement("GroupOwned");
             writer.WriteString(inventoryItem.GroupOwned.ToString());
             writer.WriteEndElement();
+            if (inventoryItem.CreatorData != null && inventoryItem.CreatorData != string.Empty)
+                writer.WriteElementString("CreatorData", inventoryItem.CreatorData);
+            else if (options.ContainsKey("profile"))
+            {
+                if (userAccountService != null)
+                {
+                    UserAccount account = userAccountService.GetUserAccount(UUID.Zero, inventoryItem.CreatorIdAsUuid);
+                    if (account != null)
+                    {
+                        writer.WriteElementString("CreatorData", (string)options["profile"] + "/" + inventoryItem.CreatorIdAsUuid + ";" + account.FirstName + " " + account.LastName);
+                    }
+                    writer.WriteElementString("CreatorID", inventoryItem.CreatorId);
+                }
+            }
 
             writer.WriteEndElement();
             
diff --git a/OpenSim/Framework/Util.cs b/OpenSim/Framework/Util.cs
index e8f8e01..8d1671a 100644
--- a/OpenSim/Framework/Util.cs
+++ b/OpenSim/Framework/Util.cs
@@ -1558,5 +1558,86 @@ namespace OpenSim.Framework
             return string.Empty;
         }
 
+        #region Xml Serialization Utilities
+        public static bool ReadBoolean(XmlTextReader reader)
+        {
+            reader.ReadStartElement();
+            bool result = Boolean.Parse(reader.ReadContentAsString().ToLower());
+            reader.ReadEndElement();
+
+            return result;
+        }
+
+        public static UUID ReadUUID(XmlTextReader reader, string name)
+        {
+            UUID id;
+            string idStr;
+
+            reader.ReadStartElement(name);
+
+            if (reader.Name == "Guid")
+                idStr = reader.ReadElementString("Guid");
+            else if (reader.Name == "UUID")
+                idStr = reader.ReadElementString("UUID");
+            else // no leading tag
+                idStr = reader.ReadContentAsString();
+            UUID.TryParse(idStr, out id);
+            reader.ReadEndElement();
+
+            return id;
+        }
+
+        public static Vector3 ReadVector(XmlTextReader reader, string name)
+        {
+            Vector3 vec;
+
+            reader.ReadStartElement(name);
+            vec.X = reader.ReadElementContentAsFloat(reader.Name, String.Empty); // X or x
+            vec.Y = reader.ReadElementContentAsFloat(reader.Name, String.Empty); // Y or y
+            vec.Z = reader.ReadElementContentAsFloat(reader.Name, String.Empty); // Z or z
+            reader.ReadEndElement();
+
+            return vec;
+        }
+
+        public static Quaternion ReadQuaternion(XmlTextReader reader, string name)
+        {
+            Quaternion quat = new Quaternion();
+
+            reader.ReadStartElement(name);
+            while (reader.NodeType != XmlNodeType.EndElement)
+            {
+                switch (reader.Name.ToLower())
+                {
+                    case "x":
+                        quat.X = reader.ReadElementContentAsFloat(reader.Name, String.Empty);
+                        break;
+                    case "y":
+                        quat.Y = reader.ReadElementContentAsFloat(reader.Name, String.Empty);
+                        break;
+                    case "z":
+                        quat.Z = reader.ReadElementContentAsFloat(reader.Name, String.Empty);
+                        break;
+                    case "w":
+                        quat.W = reader.ReadElementContentAsFloat(reader.Name, String.Empty);
+                        break;
+                }
+            }
+
+            reader.ReadEndElement();
+
+            return quat;
+        }
+
+        public static T ReadEnum<T>(XmlTextReader reader, string name)
+        {
+            string value = reader.ReadElementContentAsString(name, String.Empty);
+            // !!!!! to deal with flags without commas
+            if (value.Contains(" ") && !value.Contains(","))
+                value = value.Replace(" ", ", ");
+
+            return (T)Enum.Parse(typeof(T), value); ;
+        }
+        #endregion
     }
 }