opensim-development – Blame information for rev 1

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1 eva 1 /*
2 * Copyright (c) Contributors, http://opensimulator.org/
3 * See CONTRIBUTORS.TXT for a full list of copyright holders.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of the OpenSimulator Project nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27  
28 using System;
29 using System.Collections.Generic;
30 using System.Xml;
31 using System.Xml.Schema;
32 using System.Xml.Serialization;
33 using OpenMetaverse;
34  
35 namespace OpenSim.Framework
36 {
37 /// <summary>
38 /// A dictionary containing task inventory items. Indexed by item UUID.
39 /// </summary>
40 /// <remarks>
41 /// This class is not thread safe. Callers must synchronize on Dictionary methods or Clone() this object before
42 /// iterating over it.
43 /// </remarks>
44 public class TaskInventoryDictionary : Dictionary<UUID, TaskInventoryItem>,
45 ICloneable, IXmlSerializable
46 {
47 // private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
48  
49 private static XmlSerializer tiiSerializer = new XmlSerializer(typeof (TaskInventoryItem));
50  
51 #region ICloneable Members
52  
53 public Object Clone()
54 {
55 TaskInventoryDictionary clone = new TaskInventoryDictionary();
56  
57 lock (this)
58 {
59 foreach (UUID uuid in Keys)
60 {
61 clone.Add(uuid, (TaskInventoryItem) this[uuid].Clone());
62 }
63 }
64  
65 return clone;
66 }
67  
68 #endregion
69  
70 // The alternative of simply serializing the list doesn't appear to work on mono, since
71 // we get a
72 //
73 // System.TypeInitializationException: An exception was thrown by the type initializer for OpenSim.Framework.TaskInventoryDictionary ---> System.ArgumentOutOfRangeException: < 0
74 // Parameter name: length
75 // at System.String.Substring (Int32 startIndex, Int32 length) [0x00088] in /build/buildd/mono-1.2.4/mcs/class/corlib/System/String.cs:381
76 // at System.Xml.Serialization.TypeTranslator.GetTypeData (System.Type runtimeType, System.String xmlDataType) [0x001f6] in /build/buildd/mono-1.2.4/mcs/class/System.XML/System.Xml.Serialization/TypeTranslator.cs:217
77 // ...
78 // private static XmlSerializer tiiSerializer
79 // = new XmlSerializer(typeof(Dictionary<UUID, TaskInventoryItem>.ValueCollection));
80  
81 // see IXmlSerializable
82  
83 #region IXmlSerializable Members
84  
85 public XmlSchema GetSchema()
86 {
87 return null;
88 }
89  
90 // see IXmlSerializable
91 public void ReadXml(XmlReader reader)
92 {
93 // m_log.DebugFormat("[TASK INVENTORY]: ReadXml current node before actions, {0}", reader.Name);
94  
95 if (!reader.IsEmptyElement)
96 {
97 reader.Read();
98 while (tiiSerializer.CanDeserialize(reader))
99 {
100 TaskInventoryItem item = (TaskInventoryItem) tiiSerializer.Deserialize(reader);
101 Add(item.ItemID, item);
102  
103 //m_log.DebugFormat("[TASK INVENTORY]: Instanted prim item {0}, {1} from xml", item.Name, item.ItemID);
104 }
105  
106 // m_log.DebugFormat("[TASK INVENTORY]: Instantiated {0} prim items in total from xml", Count);
107 }
108 // else
109 // {
110 // m_log.DebugFormat("[TASK INVENTORY]: Skipping empty element {0}", reader.Name);
111 // }
112  
113 // For some .net implementations, this last read is necessary so that we advance beyond the end tag
114 // of the element wrapping this object so that the rest of the serialization can complete normally.
115 reader.Read();
116  
117 // m_log.DebugFormat("[TASK INVENTORY]: ReadXml current node after actions, {0}", reader.Name);
118 }
119  
120 // see IXmlSerializable
121 public void WriteXml(XmlWriter writer)
122 {
123 lock (this)
124 {
125 foreach (TaskInventoryItem item in Values)
126 {
127 tiiSerializer.Serialize(writer, item);
128 }
129 }
130  
131 //tiiSerializer.Serialize(writer, Values);
132 }
133  
134 #endregion
135  
136 // see ICloneable
137 }
138 }