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diff --git a/OpenSim/Framework/InventoryItemBase.cs b/OpenSim/Framework/InventoryItemBase.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 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.Xml.Serialization;
+using System.Collections;
+using System.Collections.Generic;
+using libsecondlife;
+
+namespace OpenSim.Framework
+{
+    /// <summary>
+    /// Inventory Item - contains all the properties associated with an individual inventory piece.
+    /// </summary>
+    public class InventoryItemBase
+    {
+        /// <summary>
+        /// A UUID containing the ID for the inventory item itself
+        /// </summary>
+        public LLUUID inventoryID;
+
+        /// <summary>
+        /// The UUID of the associated asset on the asset server
+        /// </summary>
+        public LLUUID assetID;
+
+        /// <summary>
+        /// This is an enumerated value determining the type of asset (eg Notecard, Sound, Object, etc)
+        /// </summary>
+        public int assetType;
+
+        /// <summary>
+        /// The type of inventory item. (Can be slightly different to the asset type
+        /// </summary>
+        public int invType;
+
+        /// <summary>
+        /// The folder this item is contained in 
+        /// </summary>
+        public LLUUID parentFolderID;
+
+        /// <summary>
+        /// The owner of this inventory item
+        /// </summary>
+        public LLUUID avatarID;
+
+        /// <summary>
+        /// The creator of this item
+        /// </summary>
+        public LLUUID creatorsID;
+
+        /// <summary>
+        /// The name of the inventory item (must be less than 64 characters)
+        /// </summary>
+        public string inventoryName;
+
+        /// <summary>
+        /// The description of the inventory item (must be less than 64 characters)
+        /// </summary>
+        public string inventoryDescription;
+
+        /// <summary>
+        /// A mask containing the permissions for the next owner (cannot be enforced)
+        /// </summary>
+        public uint inventoryNextPermissions;
+
+        /// <summary>
+        /// A mask containing permissions for the current owner (cannot be enforced)
+        /// </summary>
+        public uint inventoryCurrentPermissions;
+
+        /// <summary>
+        /// 
+        /// </summary>
+        public uint inventoryBasePermissions;
+
+        /// <summary>
+        /// 
+        /// </summary>
+        public uint inventoryEveryOnePermissions;
+    }
+
+    /// <summary>
+    /// A Class for folders which contain users inventory
+    /// </summary>
+    public class InventoryFolderBase
+    {
+        /// <summary>
+        /// The name of the folder (64 characters or less)
+        /// </summary>
+        public string name;
+
+        /// <summary>
+        /// The agent who's inventory this is contained by
+        /// </summary>
+        public LLUUID agentID;
+
+        /// <summary>
+        /// The folder this folder is contained in 
+        /// </summary>
+        public LLUUID parentID;
+
+        /// <summary>
+        /// The UUID for this folder
+        /// </summary>
+        public LLUUID folderID;
+
+        /// <summary>
+        /// Tyep of Items normally stored in this folder
+        /// </summary>
+        public short type;
+
+        /// <summary>
+        /// 
+        /// </summary>
+        public ushort version;
+    }
+
+    /// <summary>
+    /// An interface for accessing inventory data from a storage server
+    /// </summary>
+    public interface IInventoryData
+    {
+        /// <summary>
+        /// Initialises the interface
+        /// </summary>
+        void Initialise();
+
+        /// <summary>
+        /// Closes the interface
+        /// </summary>
+        void Close();
+
+        /// <summary>
+        /// The plugin being loaded
+        /// </summary>
+        /// <returns>A string containing the plugin name</returns>
+        string getName();
+
+        /// <summary>
+        /// The plugins version
+        /// </summary>
+        /// <returns>A string containing the plugin version</returns>
+        string getVersion();
+
+        /// <summary>
+        /// Returns a list of inventory items contained within the specified folder
+        /// </summary>
+        /// <param name="folderID">The UUID of the target folder</param>
+        /// <returns>A List of InventoryItemBase items</returns>
+        List<InventoryItemBase> getInventoryInFolder(LLUUID folderID);
+
+        /// <summary>
+        /// Returns a list of the root folders within a users inventory
+        /// </summary>
+        /// <param name="user">The user whos inventory is to be searched</param>
+        /// <returns>A list of folder objects</returns>
+        List<InventoryFolderBase> getUserRootFolders(LLUUID user);
+
+        /// <summary>
+        /// Returns the users inventory root folder.
+        /// </summary>
+        /// <param name="user">The UUID of the user who is having inventory being returned</param>
+        /// <returns>Root inventory folder</returns>
+        InventoryFolderBase getUserRootFolder(LLUUID user);
+
+        /// <summary>
+        /// Returns a list of inventory folders contained in the folder 'parentID'
+        /// </summary>
+        /// <param name="parentID">The folder to get subfolders for</param>
+        /// <returns>A list of inventory folders</returns>
+        List<InventoryFolderBase> getInventoryFolders(LLUUID parentID);
+
+        /// <summary>
+        /// Returns an inventory item by its UUID
+        /// </summary>
+        /// <param name="item">The UUID of the item to be returned</param>
+        /// <returns>A class containing item information</returns>
+        InventoryItemBase getInventoryItem(LLUUID item);
+
+        /// <summary>
+        /// Returns a specified inventory folder by its UUID
+        /// </summary>
+        /// <param name="folder">The UUID of the folder to be returned</param>
+        /// <returns>A class containing folder information</returns>
+        InventoryFolderBase getInventoryFolder(LLUUID folder);
+
+        /// <summary>
+        /// Creates a new inventory item based on item
+        /// </summary>
+        /// <param name="item">The item to be created</param>
+        void addInventoryItem(InventoryItemBase item);
+
+        /// <summary>
+        /// Updates an inventory item with item (updates based on ID)
+        /// </summary>
+        /// <param name="item">The updated item</param>
+        void updateInventoryItem(InventoryItemBase item);
+
+        /// <summary>
+        /// 
+        /// </summary>
+        /// <param name="item"></param>
+        void deleteInventoryItem(LLUUID item);
+
+        /// <summary>
+        /// Adds a new folder specified by folder
+        /// </summary>
+        /// <param name="folder">The inventory folder</param>
+        void addInventoryFolder(InventoryFolderBase folder);
+
+        /// <summary>
+        /// Updates a folder based on its ID with folder
+        /// </summary>
+        /// <param name="folder">The inventory folder</param>
+        void updateInventoryFolder(InventoryFolderBase folder);
+
+        /// <summary>
+        /// Deletes a folder based on its ID with folder
+        /// </summary>
+        /// <param name="folder">The id of the folder</param>
+        void deleteInventoryFolder(LLUUID folder);
+    }
+
+    /* 
+     * .Net has some issues, serializing a dictionary, so we cannot reuse the InventoryFolder
+     * class defined in Communications.Framework.Communications.Caches. So we serialize/deserialize
+     * into this simpler class, and then use that.
+     */
+    [XmlRoot(ElementName = "inventory", IsNullable = true)]
+    public class SerializableInventory
+    {
+        [XmlRoot(ElementName = "folder", IsNullable = true)]
+        public class SerializableFolder : InventoryFolderBase
+        {
+            [XmlArray(ElementName = "folders", IsNullable = true)]
+            [XmlArrayItem(ElementName = "folder", IsNullable = true, Type = typeof(SerializableFolder))]
+            public ArrayList SubFolders;
+
+            [XmlArray(ElementName = "items", IsNullable = true)]
+            [XmlArrayItem(ElementName = "item", IsNullable = true, Type = typeof(InventoryItemBase))]
+            public ArrayList Items;
+        }
+
+        [XmlElement(ElementName = "folder", IsNullable = true)]
+        public SerializableFolder root;
+    }
+
+}