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
|
/*
* 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.Reflection;
using System.Xml;
using log4net;
using OpenMetaverse;
using OpenSim.Services.Interfaces;
namespace OpenSim.Framework.Serialization.External
{
/// <summary>
/// Utilities for manipulating external representations of data structures in OpenSim
/// </summary>
public class ExternalRepresentationUtils
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
/// <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>
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)
{
nodeName = xtr.Name;
// m_log.DebugFormat("[ExternalRepresentationUtils]: Processing: {0}", nodeName);
Action<NodeType, XmlTextReader> p = null;
if (processors.TryGetValue(xtr.Name, out p))
{
// m_log.DebugFormat("[ExternalRepresentationUtils]: Found {0} processor, nodeName);
try
{
p(nodeToFill, xtr);
}
catch (Exception e)
{
parseExceptionAction(nodeToFill, nodeName, e);
if (xtr.NodeType == XmlNodeType.EndElement)
xtr.Read();
}
}
else
{
// m_log.DebugFormat("[LandDataSerializer]: caught unknown element {0}", nodeName);
xtr.ReadOuterXml(); // ignore
}
}
}
/// <summary>
/// Takes a XML representation of a SceneObjectPart and returns another XML representation
/// with creator data added to it.
/// </summary>
/// <param name="xml">The SceneObjectPart represented in XML2</param>
/// <param name="homeURL">The URL of the user agents service (home) for the creator</param>
/// <param name="userService">The service for retrieving user account information</param>
/// <param name="scopeID">The scope of the user account information (Grid ID)</param>
/// <returns>The SceneObjectPart represented in XML2</returns>
public static string RewriteSOP(string xml, string homeURL, IUserAccountService userService, UUID scopeID)
{
if (xml == string.Empty || homeURL == 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 = homeURL + ";" + creator.FirstName + " " + creator.LastName;
sop.AppendChild(creatorData);
}
}
using (StringWriter wr = new StringWriter())
{
doc.Save(wr);
return wr.ToString();
}
}
}
}
|
