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Change LandDataSerializer deserialization so that in the future it won't care about extra elements or element order.

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This brings it into line with other deserializations such as object and will improve future backward compatibility.
This commit is contained in:
Justin Clark-Casey (justincc)
2012-02-03 22:21:54 +00:00
parent 1a18948935
commit f17066b7bf
6 changed files with 242 additions and 75 deletions
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237
OpenSim/Framework/Serialization/External/LandDataSerializer.cs vendored
View File

@@ -28,8 +28,10 @@
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;
@@ -40,8 +42,152 @@ namespace OpenSim.Framework.Serialization.External
/// </summary>
public class LandDataSerializer
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
protected static UTF8Encoding m_utf8Encoding = new UTF8Encoding();
private delegate void LandDataProcessor(LandData landData, XmlTextReader reader);
private static Dictionary<string, LandDataProcessor> m_ldProcessors
= new Dictionary<string, LandDataProcessor>();
private delegate void LandAccessEntryProcessor(LandAccessEntry lae, XmlTextReader reader);
private static Dictionary<string, LandAccessEntryProcessor> m_laeProcessors
= new Dictionary<string, LandAccessEntryProcessor>();
static LandDataSerializer()
{
// LandData processors
m_ldProcessors.Add(
"Area", (ld, xtr) => ld.Area = Convert.ToInt32(xtr.ReadElementString("Area")));
m_ldProcessors.Add(
"AuctionID", (ld, xtr) => ld.AuctionID = Convert.ToUInt32(xtr.ReadElementString("AuctionID")));
m_ldProcessors.Add(
"AuthBuyerID", (ld, xtr) => ld.AuthBuyerID = UUID.Parse(xtr.ReadElementString("AuthBuyerID")));
m_ldProcessors.Add(
"Category", (ld, xtr) => ld.Category = (ParcelCategory)Convert.ToSByte(xtr.ReadElementString("Category")));
m_ldProcessors.Add(
"ClaimDate", (ld, xtr) => ld.ClaimDate = Convert.ToInt32(xtr.ReadElementString("ClaimDate")));
m_ldProcessors.Add(
"ClaimPrice", (ld, xtr) => ld.ClaimPrice = Convert.ToInt32(xtr.ReadElementString("ClaimPrice")));
m_ldProcessors.Add(
"GlobalID", (ld, xtr) => ld.GlobalID = UUID.Parse(xtr.ReadElementString("GlobalID")));
m_ldProcessors.Add(
"GroupID", (ld, xtr) => ld.GroupID = UUID.Parse(xtr.ReadElementString("GroupID")));
m_ldProcessors.Add(
"IsGroupOwned", (ld, xtr) => ld.IsGroupOwned = Convert.ToBoolean(xtr.ReadElementString("IsGroupOwned")));
m_ldProcessors.Add(
"Bitmap", (ld, xtr) => ld.Bitmap = Convert.FromBase64String(xtr.ReadElementString("Bitmap")));
m_ldProcessors.Add(
"Description", (ld, xtr) => ld.Description = xtr.ReadElementString("Description"));
m_ldProcessors.Add(
"Flags", (ld, xtr) => ld.Flags = Convert.ToUInt32(xtr.ReadElementString("Flags")));
m_ldProcessors.Add(
"LandingType", (ld, xtr) => ld.LandingType = Convert.ToByte(xtr.ReadElementString("LandingType")));
m_ldProcessors.Add(
"Name", (ld, xtr) => ld.Name = xtr.ReadElementString("Name"));
m_ldProcessors.Add(
"Status", (ld, xtr) => ld.Status = (ParcelStatus)Convert.ToSByte(xtr.ReadElementString("Status")));
m_ldProcessors.Add(
"LocalID", (ld, xtr) => ld.LocalID = Convert.ToInt32(xtr.ReadElementString("LocalID")));
m_ldProcessors.Add(
"MediaAutoScale", (ld, xtr) => ld.MediaAutoScale = Convert.ToByte(xtr.ReadElementString("MediaAutoScale")));
m_ldProcessors.Add(
"MediaID", (ld, xtr) => ld.MediaID = UUID.Parse(xtr.ReadElementString("MediaID")));
m_ldProcessors.Add(
"MediaURL", (ld, xtr) => ld.MediaURL = xtr.ReadElementString("MediaURL"));
m_ldProcessors.Add(
"MusicURL", (ld, xtr) => ld.MusicURL = xtr.ReadElementString("MusicURL"));
m_ldProcessors.Add(
"ParcelAccessList", ProcessParcelAccessList);
m_ldProcessors.Add(
"PassHours", (ld, xtr) => ld.PassHours = Convert.ToSingle(xtr.ReadElementString("PassHours")));
m_ldProcessors.Add(
"PassPrice", (ld, xtr) => ld.PassPrice = Convert.ToInt32(xtr.ReadElementString("PassPrice")));
m_ldProcessors.Add(
"SalePrice", (ld, xtr) => ld.SalePrice = Convert.ToInt32(xtr.ReadElementString("SalePrice")));
m_ldProcessors.Add(
"SnapshotID", (ld, xtr) => ld.SnapshotID = UUID.Parse(xtr.ReadElementString("SnapshotID")));
m_ldProcessors.Add(
"UserLocation", (ld, xtr) => ld.UserLocation = Vector3.Parse(xtr.ReadElementString("UserLocation")));
m_ldProcessors.Add(
"UserLookAt", (ld, xtr) => ld.UserLookAt = Vector3.Parse(xtr.ReadElementString("UserLookAt")));
// No longer used here //
// m_ldProcessors.Add("Dwell", (landData, xtr) => return);
m_ldProcessors.Add(
"OtherCleanTime", (ld, xtr) => ld.OtherCleanTime = Convert.ToInt32(xtr.ReadElementString("OtherCleanTime")));
// LandAccessEntryProcessors
m_laeProcessors.Add(
"AgentID", (lae, xtr) => lae.AgentID = UUID.Parse(xtr.ReadElementString("AgentID")));
m_laeProcessors.Add(
"Time", (lae, xtr) =>
{
// We really don't care about temp vs perm here and this
// would break on old oars. Assume all bans are perm
xtr.ReadElementString("Time");
lae.Expires = 0; // Convert.ToUint( xtr.ReadElementString("Time"));
}
);
m_laeProcessors.Add(
"AccessList", (lae, xtr) => lae.Flags = (AccessList)Convert.ToUInt32(xtr.ReadElementString("AccessList")));
}
public static void ProcessParcelAccessList(LandData ld, XmlTextReader xtr)
{
if (!xtr.IsEmptyElement)
{
while (xtr.Read() && xtr.NodeType != XmlNodeType.EndElement)
{
LandAccessEntry lae = new LandAccessEntry();
xtr.ReadStartElement("ParcelAccessEntry");
string nodeName = string.Empty;
while (xtr.NodeType != XmlNodeType.EndElement)
{
nodeName = xtr.Name;
// m_log.DebugFormat("[LandDataSerializer]: Processing: {0} in ParcelAccessEntry", nodeName);
LandAccessEntryProcessor p = null;
if (m_laeProcessors.TryGetValue(xtr.Name, out p))
{
// m_log.DebugFormat("[LandDataSerializer]: Found {0} processor in ParcelAccessEntry", nodeName);
try
{
p(lae, xtr);
}
catch (Exception e)
{
m_log.ErrorFormat(
"[LandDataSerializer]: Exception while parsing element {0} in ParcelAccessEntry, continuing. Exception {1}{2}",
nodeName, e.Message, e.StackTrace);
if (xtr.NodeType == XmlNodeType.EndElement)
xtr.Read();
}
}
else
{
// m_log.DebugFormat("[LandDataSerializer]: caught unknown element {0}", nodeName);
xtr.ReadOuterXml(); // ignore
}
}
xtr.ReadEndElement();
ld.ParcelAccessList.Add(lae);
}
}
xtr.Read();
}
/// <summary>
/// Reify/deserialize landData
/// </summary>
@@ -63,72 +209,43 @@ namespace OpenSim.Framework.Serialization.External
{
LandData landData = new LandData();
StringReader sr = new StringReader(serializedLandData);
XmlTextReader xtr = new XmlTextReader(sr);
xtr.ReadStartElement("LandData");
landData.Area = Convert.ToInt32( xtr.ReadElementString("Area"));
landData.AuctionID = Convert.ToUInt32( xtr.ReadElementString("AuctionID"));
landData.AuthBuyerID = UUID.Parse( xtr.ReadElementString("AuthBuyerID"));
landData.Category = (ParcelCategory)Convert.ToSByte( xtr.ReadElementString("Category"));
landData.ClaimDate = Convert.ToInt32( xtr.ReadElementString("ClaimDate"));
landData.ClaimPrice = Convert.ToInt32( xtr.ReadElementString("ClaimPrice"));
landData.GlobalID = UUID.Parse( xtr.ReadElementString("GlobalID"));
landData.GroupID = UUID.Parse( xtr.ReadElementString("GroupID"));
landData.IsGroupOwned = Convert.ToBoolean( xtr.ReadElementString("IsGroupOwned"));
landData.Bitmap = Convert.FromBase64String( xtr.ReadElementString("Bitmap"));
landData.Description = xtr.ReadElementString("Description");
landData.Flags = Convert.ToUInt32( xtr.ReadElementString("Flags"));
landData.LandingType = Convert.ToByte( xtr.ReadElementString("LandingType"));
landData.Name = xtr.ReadElementString("Name");
landData.Status = (ParcelStatus)Convert.ToSByte( xtr.ReadElementString("Status"));
landData.LocalID = Convert.ToInt32( xtr.ReadElementString("LocalID"));
landData.MediaAutoScale = Convert.ToByte( xtr.ReadElementString("MediaAutoScale"));
landData.MediaID = UUID.Parse( xtr.ReadElementString("MediaID"));
landData.MediaURL = xtr.ReadElementString("MediaURL");
landData.MusicURL = xtr.ReadElementString("MusicURL");
landData.OwnerID = UUID.Parse( xtr.ReadElementString("OwnerID"));
landData.ParcelAccessList = new List<LandAccessEntry>();
xtr.Read();
if (xtr.Name != "ParcelAccessList")
throw new XmlException(String.Format("Expected \"ParcelAccessList\" element but got \"{0}\"", xtr.Name));
if (!xtr.IsEmptyElement)
using (XmlTextReader reader = new XmlTextReader(new StringReader(serializedLandData)))
{
while (xtr.Read() && xtr.NodeType != XmlNodeType.EndElement)
reader.ReadStartElement("LandData");
string nodeName = string.Empty;
while (reader.NodeType != XmlNodeType.EndElement)
{
LandAccessEntry pae = new LandAccessEntry();
nodeName = reader.Name;
xtr.ReadStartElement("ParcelAccessEntry");
pae.AgentID = UUID.Parse( xtr.ReadElementString("AgentID"));
// We really don't care about temp vs perm here and this
// would break on old oars. Assume all bans are perm
xtr.ReadElementString("Time");
pae.Expires = 0; // Convert.ToUint( xtr.ReadElementString("Time"));
pae.Flags = (AccessList)Convert.ToUInt32( xtr.ReadElementString("AccessList"));
xtr.ReadEndElement();
// m_log.DebugFormat("[LandDataSerializer]: Processing: {0}", nodeName);
landData.ParcelAccessList.Add(pae);
LandDataProcessor p = null;
if (m_ldProcessors.TryGetValue(reader.Name, out p))
{
try
{
p(landData, reader);
}
catch (Exception e)
{
m_log.ErrorFormat(
"[LandDataSerializer]: exception while parsing element {0}, continuing. Exception {1}{2}",
nodeName, e.Message, e.StackTrace);
if (reader.NodeType == XmlNodeType.EndElement)
reader.Read();
}
}
else
{
// m_log.DebugFormat("[LandDataSerializer]: caught unknown element {0}", nodeName);
reader.ReadOuterXml(); // ignore
}
}
reader.ReadEndElement();
}
xtr.Read();
landData.PassHours = Convert.ToSingle( xtr.ReadElementString("PassHours"));
landData.PassPrice = Convert.ToInt32( xtr.ReadElementString("PassPrice"));
landData.SalePrice = Convert.ToInt32( xtr.ReadElementString("SalePrice"));
landData.SnapshotID = UUID.Parse( xtr.ReadElementString("SnapshotID"));
landData.UserLocation = Vector3.Parse( xtr.ReadElementString("UserLocation"));
landData.UserLookAt = Vector3.Parse( xtr.ReadElementString("UserLookAt"));
// No longer used here
xtr.ReadElementString("Dwell");
landData.OtherCleanTime = Convert.ToInt32( xtr.ReadElementString("OtherCleanTime"));
xtr.ReadEndElement();
xtr.Close();
sr.Close();
return landData;
}

3
OpenSim/Framework/Serialization/External/UserInventoryItemSerializer.cs vendored
View File

@@ -41,8 +41,7 @@ namespace OpenSim.Framework.Serialization.External
{
/// <summary>
/// Serialize and deserialize user inventory items as an external format.
/// </summary>
/// XXX: Please do not use yet.
/// </summary>
public class UserInventoryItemSerializer
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);

5
OpenSim/Framework/Serialization/External/UserProfileSerializer.cs vendored
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@@ -33,8 +33,11 @@ using OpenSim.Framework;
namespace OpenSim.Framework.Serialization.External
{
/// <summary>
/// Serialize and deserialize region settings as an external format.
/// Serialize and deserialize user profiles as an external format.
/// </summary>
/// <remarks>
/// Currently UNUSED.
/// </remarks>
public class UserProfileSerializer
{
public const int MAJOR_VERSION = 0;