1 files changed, 138 insertions, 0 deletions

diff --git a/OpenSim/Framework/TaskInventoryDictionary.cs b/OpenSim/Framework/TaskInventoryDictionary.cs
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+/*
+ * 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.Xml;
+using System.Xml.Schema;
+using System.Xml.Serialization;
+using OpenMetaverse;
+
+namespace OpenSim.Framework
+{
+    /// <summary>
+    /// A dictionary containing task inventory items.  Indexed by item UUID.
+    /// </summary>
+    /// <remarks>
+    /// This class is not thread safe.  Callers must synchronize on Dictionary methods or Clone() this object before
+    /// iterating over it.
+    /// </remarks>
+    public class TaskInventoryDictionary : Dictionary<UUID, TaskInventoryItem>,
+                                           ICloneable, IXmlSerializable
+    {
+        // private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+
+        private static XmlSerializer tiiSerializer = new XmlSerializer(typeof (TaskInventoryItem));
+
+        #region ICloneable Members
+
+        public Object Clone()
+        {
+            TaskInventoryDictionary clone = new TaskInventoryDictionary();
+
+            lock (this)
+            {
+                foreach (UUID uuid in Keys)
+                {
+                    clone.Add(uuid, (TaskInventoryItem) this[uuid].Clone());
+                }
+            }
+            
+            return clone;
+        }
+
+        #endregion
+
+        // The alternative of simply serializing the list doesn't appear to work on mono, since
+        // we get a
+        //
+        // System.TypeInitializationException: An exception was thrown by the type initializer for OpenSim.Framework.TaskInventoryDictionary ---> System.ArgumentOutOfRangeException: < 0
+        // Parameter name: length
+        //   at System.String.Substring (Int32 startIndex, Int32 length) [0x00088] in /build/buildd/mono-1.2.4/mcs/class/corlib/System/String.cs:381
+        //   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
+        // ...
+//        private static XmlSerializer tiiSerializer
+//            = new XmlSerializer(typeof(Dictionary<UUID, TaskInventoryItem>.ValueCollection));
+
+        // see IXmlSerializable
+
+        #region IXmlSerializable Members
+
+        public XmlSchema GetSchema()
+        {
+            return null;
+        }
+
+        // see IXmlSerializable
+        public void ReadXml(XmlReader reader)
+        {
+            // m_log.DebugFormat("[TASK INVENTORY]: ReadXml current node before actions, {0}", reader.Name);
+
+            if (!reader.IsEmptyElement)
+            {
+                reader.Read();
+                while (tiiSerializer.CanDeserialize(reader))
+                {
+                    TaskInventoryItem item = (TaskInventoryItem) tiiSerializer.Deserialize(reader);
+                    Add(item.ItemID, item);
+
+                    //m_log.DebugFormat("[TASK INVENTORY]: Instanted prim item {0}, {1} from xml", item.Name, item.ItemID);
+                }
+
+               // m_log.DebugFormat("[TASK INVENTORY]: Instantiated {0} prim items in total from xml", Count);
+            }
+            // else
+            // {
+            //     m_log.DebugFormat("[TASK INVENTORY]: Skipping empty element {0}", reader.Name);
+            // }
+
+            // For some .net implementations, this last read is necessary so that we advance beyond the end tag
+            // of the element wrapping this object so that the rest of the serialization can complete normally.
+            reader.Read();
+
+            // m_log.DebugFormat("[TASK INVENTORY]: ReadXml current node after actions, {0}", reader.Name);
+        }
+
+        // see IXmlSerializable
+        public void WriteXml(XmlWriter writer)
+        {
+            lock (this)
+            {
+                foreach (TaskInventoryItem item in Values)
+                {
+                    tiiSerializer.Serialize(writer, item);
+                }
+            }
+
+            //tiiSerializer.Serialize(writer, Values);
+        }
+
+        #endregion
+
+        // see ICloneable
+    }
+}