From 312e1457dd576bc61ac2fd2e104813dd86134c4d Mon Sep 17 00:00:00 2001
From: Justin Clark-Casey (justincc)
Date: Fri, 3 Feb 2012 23:47:01 +0000
Subject: Change SceneObjectSerializer to use common
 ExternalRepresentationUtils.ExecuteReadProcessors() methods.

Adds ability to submit a customized exception message to match logging.
---
 .../External/ExternalRepresentationUtils.cs        |  37 ++++++--
 .../Scenes/Serialization/SceneObjectSerializer.cs  | 103 ++++++---------------
 2 files changed, 57 insertions(+), 83 deletions(-)

(limited to 'OpenSim')

diff --git a/OpenSim/Framework/Serialization/External/ExternalRepresentationUtils.cs b/OpenSim/Framework/Serialization/External/ExternalRepresentationUtils.cs
index 39a9f37..a392af6 100644
--- a/OpenSim/Framework/Serialization/External/ExternalRepresentationUtils.cs
+++ b/OpenSim/Framework/Serialization/External/ExternalRepresentationUtils.cs
@@ -47,15 +47,36 @@ namespace OpenSim.Framework.Serialization.External
         /// Populate a node with data read from xml using a dictinoary of processors
         /// </summary>
         /// <param name="nodeToFill"></param>
-        /// <param name="processors">
-        /// A <see cref="Dictionary<System.String, Action<NodeType, XmlTextReader>>"/>
-        /// </param>
-        /// <param name="xtr">
-        /// A <see cref="XmlTextReader"/>
-        /// </param>
+        /// <param name="processors">/param>
+        /// <param name="xtr"></param>
         public static void ExecuteReadProcessors<NodeType>(
             NodeType nodeToFill, Dictionary<string, Action<NodeType, XmlTextReader>> processors, XmlTextReader xtr)
         {
+            ExecuteReadProcessors(
+                nodeToFill,
+                processors,
+                xtr,
+                (o, name, e)
+                    => m_log.ErrorFormat(
+                        "[ExternalRepresentationUtils]: Exception while parsing element {0}, continuing.  Exception {1}{2}",
+                        name, e.Message, e.StackTrace));
+        }
+
+        /// <summary>
+        /// Populate a node with data read from xml using a dictinoary of processors
+        /// </summary>
+        /// <param name="nodeToFill"></param>
+        /// <param name="processors"></param>
+        /// <param name="xtr"></param>
+        /// <param name="parseExceptionAction">
+        /// Action to take if there is a parsing problem.  This will usually just be to log the exception
+        /// </param>
+        public static void ExecuteReadProcessors<NodeType>(
+            NodeType nodeToFill,
+            Dictionary<string, Action<NodeType, XmlTextReader>> processors,
+            XmlTextReader xtr,
+            Action<NodeType, string, Exception> parseExceptionAction)
+        {
             string nodeName = string.Empty;
             while (xtr.NodeType != XmlNodeType.EndElement)
             {
@@ -74,9 +95,7 @@ namespace OpenSim.Framework.Serialization.External
                     }
                     catch (Exception e)
                     {
-                        m_log.ErrorFormat(
-                            "[ExternalRepresentationUtils]: Exception while parsing element {0}, continuing.  Exception {1}{2}",
-                            nodeName, e.Message, e.StackTrace);
+                        parseExceptionAction(nodeToFill, nodeName, e);
 
                         if (xtr.NodeType == XmlNodeType.EndElement)
                             xtr.Read();
diff --git a/OpenSim/Region/Framework/Scenes/Serialization/SceneObjectSerializer.cs b/OpenSim/Region/Framework/Scenes/Serialization/SceneObjectSerializer.cs
index b54fcb7..ab02f92 100644
--- a/OpenSim/Region/Framework/Scenes/Serialization/SceneObjectSerializer.cs
+++ b/OpenSim/Region/Framework/Scenes/Serialization/SceneObjectSerializer.cs
@@ -34,6 +34,7 @@ using System.Xml;
 using log4net;
 using OpenMetaverse;
 using OpenSim.Framework;
+using OpenSim.Framework.Serialization.External;
 using OpenSim.Region.Framework.Interfaces;
 using OpenSim.Region.Framework.Scenes;
 
@@ -276,14 +277,14 @@ namespace OpenSim.Region.Framework.Scenes.Serialization
 
         #region manual serialization
 
-        private delegate void SOPXmlProcessor(SceneObjectPart sop, XmlTextReader reader);
-        private static Dictionary<string, SOPXmlProcessor> m_SOPXmlProcessors = new Dictionary<string, SOPXmlProcessor>();
+        private static Dictionary<string, Action<SceneObjectPart, XmlTextReader>> m_SOPXmlProcessors
+            = new Dictionary<string, Action<SceneObjectPart, XmlTextReader>>();
 
-        private delegate void TaskInventoryXmlProcessor(TaskInventoryItem item, XmlTextReader reader);
-        private static Dictionary<string, TaskInventoryXmlProcessor> m_TaskInventoryXmlProcessors = new Dictionary<string, TaskInventoryXmlProcessor>();
+        private static Dictionary<string, Action<TaskInventoryItem, XmlTextReader>> m_TaskInventoryXmlProcessors
+            = new Dictionary<string, Action<TaskInventoryItem, XmlTextReader>>();
 
-        private delegate void ShapeXmlProcessor(PrimitiveBaseShape shape, XmlTextReader reader);
-        private static Dictionary<string, ShapeXmlProcessor> m_ShapeXmlProcessors = new Dictionary<string, ShapeXmlProcessor>();
+        private static Dictionary<string, Action<PrimitiveBaseShape, XmlTextReader>> m_ShapeXmlProcessors
+            = new Dictionary<string, Action<PrimitiveBaseShape, XmlTextReader>>();
 
         static SceneObjectSerializer()
         {
@@ -1464,34 +1465,14 @@ namespace OpenSim.Region.Framework.Scenes.Serialization
 
             reader.ReadStartElement("SceneObjectPart");
 
-            string nodeName = string.Empty;
-            while (reader.NodeType != XmlNodeType.EndElement)
-            {
-                nodeName = reader.Name;
-                SOPXmlProcessor p = null;
-                if (m_SOPXmlProcessors.TryGetValue(reader.Name, out p))
-                {
-                    //m_log.DebugFormat("[XXX] Processing: {0}", reader.Name);
-                    try
-                    {
-                        p(obj, reader);
-                    }
-                    catch (Exception e)
-                    {
-                        m_log.DebugFormat(
-                            "[SceneObjectSerializer]: exception while parsing {0} in object {1} {2}: {3}{4}",
-                            obj.Name, obj.UUID, nodeName, e.Message, e.StackTrace);
-                        if (reader.NodeType == XmlNodeType.EndElement)
-                            reader.Read();
-                    }
-                }
-                else
-                {
-//                    m_log.DebugFormat("[SceneObjectSerializer]: caught unknown element {0}", nodeName);
-                    reader.ReadOuterXml(); // ignore
-                }
-
-            }
+            ExternalRepresentationUtils.ExecuteReadProcessors(
+                obj,
+                m_SOPXmlProcessors,
+                reader,
+                (o, nodeName, e)
+                    => m_log.ErrorFormat(
+                        "[SceneObjectSerializer]: Exception while parsing {0} in object {1} {2}: {3}{4}",
+                        ((SceneObjectPart)o).Name, ((SceneObjectPart)o).UUID, nodeName, e.Message, e.StackTrace));
 
             reader.ReadEndElement(); // SceneObjectPart
 
@@ -1516,17 +1497,12 @@ namespace OpenSim.Region.Framework.Scenes.Serialization
                 reader.ReadStartElement("TaskInventoryItem", String.Empty); // TaskInventory
 
                 TaskInventoryItem item = new TaskInventoryItem();
-                while (reader.NodeType != XmlNodeType.EndElement)
-                {
-                    TaskInventoryXmlProcessor p = null;
-                    if (m_TaskInventoryXmlProcessors.TryGetValue(reader.Name, out p))
-                        p(item, reader);
-                    else
-                    {
-//                        m_log.DebugFormat("[SceneObjectSerializer]: caught unknown element in TaskInventory {0}, {1}", reader.Name, reader.Value);
-                        reader.ReadOuterXml();
-                    }
-                }
+
+                ExternalRepresentationUtils.ExecuteReadProcessors(
+                    item,
+                    m_TaskInventoryXmlProcessors,
+                    reader);
+
                 reader.ReadEndElement(); // TaskInventoryItem
                 tinv.Add(item.ItemID, item);
 
@@ -1559,35 +1535,14 @@ namespace OpenSim.Region.Framework.Scenes.Serialization
 
             reader.ReadStartElement(name, String.Empty); // Shape
 
-            string nodeName = string.Empty;
-            while (reader.NodeType != XmlNodeType.EndElement)
-            {
-                nodeName = reader.Name;
-                //m_log.DebugFormat("[XXX] Processing: {0}", reader.Name); 
-                ShapeXmlProcessor p = null;
-                if (m_ShapeXmlProcessors.TryGetValue(reader.Name, out p))
-                {
-                    try
-                    {
-                        p(shape, reader);
-                    }
-                    catch (Exception e)
-                    {
-                        errors = true;
-                        m_log.DebugFormat(
-                            "[SceneObjectSerializer]: exception while parsing Shape property {0}: {1}{2}",
-                            nodeName, e.Message, e.StackTrace);
-
-                        if (reader.NodeType == XmlNodeType.EndElement)
-                            reader.Read();
-                    }
-                }
-                else
-                {
-                    // m_log.DebugFormat("[SceneObjectSerializer]: caught unknown element in Shape {0}", reader.Name);
-                    reader.ReadOuterXml();
-                }
-            }
+            ExternalRepresentationUtils.ExecuteReadProcessors(
+                shape,
+                m_ShapeXmlProcessors,
+                reader,
+                (o, nodeName, e)
+                    => m_log.ErrorFormat(
+                        "[SceneObjectSerializer]: Exception while parsing Shape property {0}: {1}{2}",
+                        nodeName, e.Message, e.StackTrace));
 
             reader.ReadEndElement(); // Shape
 
-- 
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