1 //------------------------------------------------------------------------------
3 // System.IO.FileSystemInfo.cs
5 // Copyright (C) 2001 Moonlight Enterprises, All Rights Reserved
7 // Author: Jim Richardson, develop@wtfo-guru.com
8 // Dan Lewis (dihlewis@yahoo.co.uk)
9 // Created: Monday, August 13, 2001
11 //------------------------------------------------------------------------------
14 // Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
16 // Permission is hereby granted, free of charge, to any person obtaining
17 // a copy of this software and associated documentation files (the
18 // "Software"), to deal in the Software without restriction, including
19 // without limitation the rights to use, copy, modify, merge, publish,
20 // distribute, sublicense, and/or sell copies of the Software, and to
21 // permit persons to whom the Software is furnished to do so, subject to
22 // the following conditions:
24 // The above copyright notice and this permission notice shall be
25 // included in all copies or substantial portions of the Software.
27 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
28 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
29 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
30 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
31 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
32 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
33 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
36 using System.Runtime.InteropServices;
37 using System.Runtime.Serialization;
38 using System.Security.Permissions;
43 [FileIOPermission (SecurityAction.InheritanceDemand, Unrestricted = true)]
46 public abstract class FileSystemInfo {
48 public abstract class FileSystemInfo : MarshalByRefObject, ISerializable {
50 #region Implementation of ISerializable
53 public virtual void GetObjectData (SerializationInfo info, StreamingContext context)
55 info.AddValue ("OriginalPath", OriginalPath, typeof(string));
56 info.AddValue ("FullPath", FullPath, typeof(string));
59 #endregion Implementation of ISerializable
63 public abstract bool Exists { get; }
65 public abstract string Name { get; }
67 public virtual string FullName {
73 public string Extension {
75 return Path.GetExtension (Name);
79 public FileAttributes Attributes {
82 return stat.Attributes;
88 if (!MonoIO.SetFileAttributes (FullName,
91 throw MonoIO.GetException (FullName,
97 public DateTime CreationTime {
100 return DateTime.FromFileTime (stat.CreationTime);
104 long filetime = value.ToFileTime ();
108 if (!MonoIO.SetFileTime (FullName, filetime,
110 throw MonoIO.GetException (FullName,
117 public DateTime CreationTimeUtc {
119 return CreationTime.ToUniversalTime ();
123 CreationTime = value.ToLocalTime ();
127 public DateTime LastAccessTime {
130 return DateTime.FromFileTime (stat.LastAccessTime);
134 long filetime = value.ToFileTime ();
138 if (!MonoIO.SetFileTime (FullName, -1,
141 throw MonoIO.GetException (FullName,
148 public DateTime LastAccessTimeUtc {
151 return LastAccessTime.ToUniversalTime ();
155 LastAccessTime = value.ToLocalTime ();
159 public DateTime LastWriteTime {
162 return DateTime.FromFileTime (stat.LastWriteTime);
166 long filetime = value.ToFileTime ();
170 if (!MonoIO.SetFileTime (FullName, -1, -1,
171 filetime, out error))
172 throw MonoIO.GetException (FullName,
179 public DateTime LastWriteTimeUtc {
182 return LastWriteTime.ToUniversalTime ();
186 LastWriteTime = value.ToLocalTime ();
192 public abstract void Delete ();
194 public void Refresh ()
201 protected FileSystemInfo ()
204 this.FullPath = null;
207 protected FileSystemInfo (SerializationInfo info, StreamingContext context)
211 throw new ArgumentNullException("info");
214 FullPath = info.GetString("FullPath");
215 OriginalPath = info.GetString("OriginalPath");
218 protected string FullPath;
219 protected string OriginalPath;
223 internal void Refresh (bool force)
230 MonoIO.GetFileStat (FullName, out stat, out error);
231 /* Don't throw on error here, too much other
232 * stuff relies on it not doing so...
240 internal virtual void InternalRefresh ()
244 internal void CheckPath (string path)
247 throw new ArgumentNullException ("path");
248 if (path.Length == 0)
249 throw new ArgumentException ("An empty file name is not valid.");
250 if (path.IndexOfAny (Path.InvalidPathChars) != -1)
251 throw new ArgumentException ("Illegal characters in path.");
254 internal MonoIOStat stat;