1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
|
/*
* 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 OpenSim 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.IO;
using System.Reflection;
using System.Xml;
using log4net;
using OpenMetaverse;
using OpenSim.Region.Framework.Scenes;
namespace OpenSim.Region.Framework.Scenes.Serialization
{
/// <summary>
/// Serialize and deserialize scene objects.
/// </summary>
/// This should really be in OpenSim.Framework.Serialization but this would mean circular dependency problems
/// right now - hopefully this isn't forever.
public class SceneObjectSerializer
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
/// <summary>
/// Deserialize a scene object from the original xml format
/// </summary>
/// <param name="serialization"></param>
/// <returns></returns>
public static SceneObjectGroup FromOriginalXmlFormat(string serialization)
{
return FromOriginalXmlFormat(UUID.Zero, serialization);
}
/// <summary>
/// Deserialize a scene object from the original xml format
/// </summary>
/// <param name="serialization"></param>
/// <returns></returns>
public static SceneObjectGroup FromOriginalXmlFormat(UUID fromUserInventoryItemID, string serialization)
{
//m_log.DebugFormat("[SOG]: Starting deserialization of SOG");
//int time = System.Environment.TickCount;
SceneObjectGroup sceneObject = new SceneObjectGroup();
// libomv.types changes UUID to Guid
serialization = serialization.Replace("<UUID>", "<Guid>");
serialization = serialization.Replace("</UUID>", "</Guid>");
// Handle Nested <UUID><UUID> property
serialization = serialization.Replace("<Guid><Guid>", "<UUID><Guid>");
serialization = serialization.Replace("</Guid></Guid>", "</Guid></UUID>");
try
{
StringReader sr;
XmlTextReader reader;
XmlNodeList parts;
XmlDocument doc;
int linkNum;
doc = new XmlDocument();
doc.LoadXml(serialization);
parts = doc.GetElementsByTagName("RootPart");
if (parts.Count == 0)
{
throw new Exception("Invalid Xml format - no root part");
}
else
{
sr = new StringReader(parts[0].InnerXml);
reader = new XmlTextReader(sr);
sceneObject.SetRootPart(SceneObjectPart.FromXml(fromUserInventoryItemID, reader));
reader.Close();
sr.Close();
}
parts = doc.GetElementsByTagName("Part");
for (int i = 0; i < parts.Count; i++)
{
sr = new StringReader(parts[i].InnerXml);
reader = new XmlTextReader(sr);
SceneObjectPart part = SceneObjectPart.FromXml(reader);
linkNum = part.LinkNum;
sceneObject.AddPart(part);
part.LinkNum = linkNum;
part.TrimPermissions();
part.StoreUndoState();
reader.Close();
sr.Close();
}
// Script state may, or may not, exist. Not having any, is NOT
// ever a problem.
sceneObject.LoadScriptState(doc);
}
catch (Exception e)
{
m_log.ErrorFormat(
"[SERIALIZER]: Deserialization of xml failed with {0}. xml was {1}", e, serialization);
}
//m_log.DebugFormat("[SERIALIZER]: Finished deserialization of SOG {0}, {1}ms", Name, System.Environment.TickCount - time);
return sceneObject;
}
/// <summary>
/// Serialize a scene object to the original xml format
/// </summary>
/// <param name="sceneObject"></param>
/// <returns></returns>
public static string ToOriginalXmlFormat(SceneObjectGroup sceneObject)
{
using (StringWriter sw = new StringWriter())
{
using (XmlTextWriter writer = new XmlTextWriter(sw))
{
ToOriginalXmlFormat(sceneObject, writer);
}
return sw.ToString();
}
}
/// <summary>
/// Serialize a scene object to the original xml format
/// </summary>
/// <param name="sceneObject"></param>
/// <returns></returns>
public static void ToOriginalXmlFormat(SceneObjectGroup sceneObject, XmlTextWriter writer)
{
//m_log.DebugFormat("[SERIALIZER]: Starting serialization of {0}", Name);
//int time = System.Environment.TickCount;
writer.WriteStartElement(String.Empty, "SceneObjectGroup", String.Empty);
writer.WriteStartElement(String.Empty, "RootPart", String.Empty);
sceneObject.RootPart.ToXml(writer);
writer.WriteEndElement();
writer.WriteStartElement(String.Empty, "OtherParts", String.Empty);
lock (sceneObject.Children)
{
foreach (SceneObjectPart part in sceneObject.Children.Values)
{
if (part.UUID != sceneObject.RootPart.UUID)
{
writer.WriteStartElement(String.Empty, "Part", String.Empty);
part.ToXml(writer);
writer.WriteEndElement();
}
}
}
writer.WriteEndElement(); // OtherParts
sceneObject.SaveScriptedState(writer);
writer.WriteEndElement(); // SceneObjectGroup
//m_log.DebugFormat("[SERIALIZER]: Finished serialization of SOG {0}, {1}ms", Name, System.Environment.TickCount - time);
}
}
}
|
