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-rw-r--r--OpenSim/Framework/Communications/Cache/InventoryFolderImpl.cs470
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diff --git a/OpenSim/Framework/Communications/Cache/InventoryFolderImpl.cs b/OpenSim/Framework/Communications/Cache/InventoryFolderImpl.cs
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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
28using System;
29using System.Collections.Generic;
30using OpenMetaverse;
31
32//using System.Reflection;
33
34//using log4net;
35
36namespace OpenSim.Framework.Communications.Cache
37{
38 public class InventoryFolderImpl : InventoryFolderBase
39 {
40 //private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
41
42 public static readonly string PATH_DELIMITER = "/";
43
44 /// <summary>
45 /// Items that are contained in this folder
46 /// </summary>
47 public Dictionary<UUID, InventoryItemBase> Items = new Dictionary<UUID, InventoryItemBase>();
48
49 /// <summary>
50 /// Child folders that are contained in this folder
51 /// </summary>
52 protected Dictionary<UUID, InventoryFolderImpl> m_childFolders = new Dictionary<UUID, InventoryFolderImpl>();
53
54 // Constructors
55 public InventoryFolderImpl(InventoryFolderBase folderbase)
56 {
57 Owner = folderbase.Owner;
58 ID = folderbase.ID;
59 Name = folderbase.Name;
60 ParentID = folderbase.ParentID;
61 Type = folderbase.Type;
62 Version = folderbase.Version;
63 }
64
65 public InventoryFolderImpl()
66 {
67 }
68
69 /// <summary>
70 /// Create a new subfolder.
71 /// </summary>
72 /// <param name="folderID"></param>
73 /// <param name="folderName"></param>
74 /// <param name="type"></param>
75 /// <returns>The newly created subfolder. Returns null if the folder already exists</returns>
76 public InventoryFolderImpl CreateChildFolder(UUID folderID, string folderName, ushort type)
77 {
78 lock (m_childFolders)
79 {
80 if (!m_childFolders.ContainsKey(folderID))
81 {
82 InventoryFolderImpl subFold = new InventoryFolderImpl();
83 subFold.Name = folderName;
84 subFold.ID = folderID;
85 subFold.Type = (short) type;
86 subFold.ParentID = this.ID;
87 subFold.Owner = Owner;
88 m_childFolders.Add(subFold.ID, subFold);
89
90 return subFold;
91 }
92 }
93
94 return null;
95 }
96
97 /// <summary>
98 /// Add a folder that already exists.
99 /// </summary>
100 /// <param name="folder"></param>
101 public void AddChildFolder(InventoryFolderImpl folder)
102 {
103 lock (m_childFolders)
104 {
105 folder.ParentID = ID;
106 m_childFolders[folder.ID] = folder;
107 }
108 }
109
110 /// <summary>
111 /// Does this folder contain the given child folder?
112 /// </summary>
113 /// <param name="folderID"></param>
114 /// <returns></returns>
115 public bool ContainsChildFolder(UUID folderID)
116 {
117 return m_childFolders.ContainsKey(folderID);
118 }
119
120 /// <summary>
121 /// Get a child folder
122 /// </summary>
123 /// <param name="folderID"></param>
124 /// <returns>The folder if it exists, null if it doesn't</returns>
125 public InventoryFolderImpl GetChildFolder(UUID folderID)
126 {
127 InventoryFolderImpl folder = null;
128
129 lock (m_childFolders)
130 {
131 m_childFolders.TryGetValue(folderID, out folder);
132 }
133
134 return folder;
135 }
136
137 /// <summary>
138 /// Removes the given child subfolder.
139 /// </summary>
140 /// <param name="folderID"></param>
141 /// <returns>
142 /// The folder removed, or null if the folder was not present.
143 /// </returns>
144 public InventoryFolderImpl RemoveChildFolder(UUID folderID)
145 {
146 InventoryFolderImpl removedFolder = null;
147
148 lock (m_childFolders)
149 {
150 if (m_childFolders.ContainsKey(folderID))
151 {
152 removedFolder = m_childFolders[folderID];
153 m_childFolders.Remove(folderID);
154 }
155 }
156
157 return removedFolder;
158 }
159
160 /// <summary>
161 /// Delete all the folders and items in this folder.
162 /// </summary>
163 public void Purge()
164 {
165 foreach (InventoryFolderImpl folder in m_childFolders.Values)
166 {
167 folder.Purge();
168 }
169
170 m_childFolders.Clear();
171 Items.Clear();
172 }
173
174 /// <summary>
175 /// Returns the item if it exists in this folder or in any of this folder's descendant folders
176 /// </summary>
177 /// <param name="itemID"></param>
178 /// <returns>null if the item is not found</returns>
179 public InventoryItemBase FindItem(UUID itemID)
180 {
181 lock (Items)
182 {
183 if (Items.ContainsKey(itemID))
184 {
185 return Items[itemID];
186 }
187 }
188
189 lock (m_childFolders)
190 {
191 foreach (InventoryFolderImpl folder in m_childFolders.Values)
192 {
193 InventoryItemBase item = folder.FindItem(itemID);
194
195 if (item != null)
196 {
197 return item;
198 }
199 }
200 }
201
202 return null;
203 }
204
205 public InventoryItemBase FindAsset(UUID assetID)
206 {
207 lock (Items)
208 {
209 foreach (InventoryItemBase item in Items.Values)
210 {
211 if (item.AssetID == assetID)
212 return item;
213 }
214 }
215
216 lock (m_childFolders)
217 {
218 foreach (InventoryFolderImpl folder in m_childFolders.Values)
219 {
220 InventoryItemBase item = folder.FindAsset(assetID);
221
222 if (item != null)
223 {
224 return item;
225 }
226 }
227 }
228
229 return null;
230 }
231
232 /// <summary>
233 /// Deletes an item if it exists in this folder or any children
234 /// </summary>
235 /// <param name="folderID"></param>
236 /// <returns></returns>
237 public bool DeleteItem(UUID itemID)
238 {
239 bool found = false;
240
241 lock (Items)
242 {
243 if (Items.ContainsKey(itemID))
244 {
245 Items.Remove(itemID);
246 return true;
247 }
248 }
249
250 lock (m_childFolders)
251 {
252 foreach (InventoryFolderImpl folder in m_childFolders.Values)
253 {
254 found = folder.DeleteItem(itemID);
255
256 if (found == true)
257 {
258 break;
259 }
260 }
261 }
262
263 return found;
264 }
265
266 /// <summary>
267 /// Returns the folder requested if it is this folder or is a descendent of this folder. The search is depth
268 /// first.
269 /// </summary>
270 /// <returns>The requested folder if it exists, null if it does not.</returns>
271 public InventoryFolderImpl FindFolder(UUID folderID)
272 {
273 if (folderID == ID)
274 return this;
275
276 lock (m_childFolders)
277 {
278 foreach (InventoryFolderImpl folder in m_childFolders.Values)
279 {
280 InventoryFolderImpl returnFolder = folder.FindFolder(folderID);
281
282 if (returnFolder != null)
283 return returnFolder;
284 }
285 }
286
287 return null;
288 }
289
290 /// <summary>
291 /// Look through all child subfolders for a folder marked as one for a particular asset type, and return it.
292 /// </summary>
293 /// <param name="type"></param>
294 /// <returns>Returns null if no such folder is found</returns>
295 public InventoryFolderImpl FindFolderForType(int type)
296 {
297 lock (m_childFolders)
298 {
299 foreach (InventoryFolderImpl f in m_childFolders.Values)
300 {
301 if (f.Type == type)
302 return f;
303 }
304 }
305
306 return null;
307 }
308
309 /// <summary>
310 /// Find a folder given a PATH_DELIMITER delimited path starting from this folder
311 /// </summary>
312 ///
313 /// This method does not handle paths that contain multiple delimitors
314 ///
315 /// FIXME: We do not yet handle situations where folders have the same name. We could handle this by some
316 /// XPath like expression
317 ///
318 /// FIXME: Delimitors which occur in names themselves are not currently escapable.
319 ///
320 /// <param name="path">
321 /// The path to the required folder.
322 /// It this is empty or consists only of the PATH_DELIMTER then this folder itself is returned.
323 /// </param>
324 /// <returns>null if the folder is not found</returns>
325 public InventoryFolderImpl FindFolderByPath(string path)
326 {
327 if (path == string.Empty)
328 return this;
329
330 path = path.Trim();
331
332 if (path == PATH_DELIMITER)
333 return this;
334
335 string[] components = path.Split(new string[] { PATH_DELIMITER }, 2, StringSplitOptions.None);
336
337 lock (m_childFolders)
338 {
339 foreach (InventoryFolderImpl folder in m_childFolders.Values)
340 {
341 if (folder.Name == components[0])
342 if (components.Length > 1)
343 return folder.FindFolderByPath(components[1]);
344 else
345 return folder;
346 }
347 }
348
349 // We didn't find a folder with the given name
350 return null;
351 }
352
353 /// <summary>
354 /// Find an item given a PATH_DELIMITOR delimited path starting from this folder.
355 ///
356 /// This method does not handle paths that contain multiple delimitors
357 ///
358 /// FIXME: We do not yet handle situations where folders or items have the same name. We could handle this by some
359 /// XPath like expression
360 ///
361 /// FIXME: Delimitors which occur in names themselves are not currently escapable.
362 /// </summary>
363 /// <param name="path">
364 /// The path to the required item.
365 /// </param>
366 /// <returns>null if the item is not found</returns>
367 public InventoryItemBase FindItemByPath(string path)
368 {
369 string[] components = path.Split(new string[] { PATH_DELIMITER }, 2, StringSplitOptions.None);
370
371 if (components.Length == 1)
372 {
373 lock (Items)
374 {
375 foreach (InventoryItemBase item in Items.Values)
376 {
377 if (item.Name == components[0])
378 return item;
379 }
380 }
381 }
382 else
383 {
384 lock (m_childFolders)
385 {
386 foreach (InventoryFolderImpl folder in m_childFolders.Values)
387 {
388 if (folder.Name == components[0])
389 return folder.FindItemByPath(components[1]);
390 }
391 }
392 }
393
394 // We didn't find an item or intermediate folder with the given name
395 return null;
396 }
397
398 /// <summary>
399 /// Return a copy of the list of child items in this folder. The items themselves are the originals.
400 /// </summary>
401 public List<InventoryItemBase> RequestListOfItems()
402 {
403 List<InventoryItemBase> itemList = new List<InventoryItemBase>();
404
405 lock (Items)
406 {
407 foreach (InventoryItemBase item in Items.Values)
408 {
409 itemList.Add(item);
410 }
411 }
412
413 //m_log.DebugFormat("[INVENTORY FOLDER IMPL]: Found {0} items", itemList.Count);
414
415 return itemList;
416 }
417
418 /// <summary>
419 /// Return a copy of the list of child folders in this folder. The folders themselves are the originals.
420 /// </summary>
421 public List<InventoryFolderBase> RequestListOfFolders()
422 {
423 List<InventoryFolderBase> folderList = new List<InventoryFolderBase>();
424
425 lock (m_childFolders)
426 {
427 foreach (InventoryFolderBase folder in m_childFolders.Values)
428 {
429 folderList.Add(folder);
430 }
431 }
432
433 return folderList;
434 }
435
436 public List<InventoryFolderImpl> RequestListOfFolderImpls()
437 {
438 List<InventoryFolderImpl> folderList = new List<InventoryFolderImpl>();
439
440 lock (m_childFolders)
441 {
442 foreach (InventoryFolderImpl folder in m_childFolders.Values)
443 {
444 folderList.Add(folder);
445 }
446 }
447
448 return folderList;
449 }
450
451 /// <value>
452 /// The total number of items in this folder and in the immediate child folders (though not from other
453 /// descendants).
454 /// </value>
455 public int TotalCount
456 {
457 get
458 {
459 int total = Items.Count;
460
461 foreach (InventoryFolderImpl folder in m_childFolders.Values)
462 {
463 total = total + folder.TotalCount;
464 }
465
466 return total;
467 }
468 }
469 }
470}
generated by cgit v1.1 at 2024-11-10 01:48:40 +0000