X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=mcs%2Fclass%2Fcorlib%2FSystem.IO%2FFileSystemInfo.cs;h=9c2c3fae9f05eb3f21e12028c6c38e6d343370f9;hb=b52c963187c59fd167cfde556dfd4304f8ded041;hp=b03e43395cdd6d6fa9c2fba974041f3e2b9bf69a;hpb=610d7923acfbdc29cc61e0694b716eea940d819b;p=mono.git

diff --git a/mcs/class/corlib/System.IO/FileSystemInfo.cs b/mcs/class/corlib/System.IO/FileSystemInfo.cs
index b03e43395cd..9c2c3fae9f0 100644
--- a/mcs/class/corlib/System.IO/FileSystemInfo.cs
+++ b/mcs/class/corlib/System.IO/FileSystemInfo.cs
@@ -3,6 +3,7 @@
 // System.IO.FileSystemInfo.cs 
 //
 // Copyright (C) 2001 Moonlight Enterprises, All Rights Reserved
+// Copyright 2011 Xamarin Inc (http://www.xamarin.com).
 // 
 // Author:         Jim Richardson, develop@wtfo-guru.com
 //                 Dan Lewis (dihlewis@yahoo.co.uk)
@@ -10,12 +11,55 @@
 //
 //------------------------------------------------------------------------------
 
-using System;
+//
+// Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
+using System.Runtime.InteropServices;
+using System.Runtime.Serialization;
+using System.Security;
+using System.Security.Permissions;
 
 namespace System.IO {
 	
 	[Serializable]
-	public abstract class FileSystemInfo : MarshalByRefObject {
+	[FileIOPermission (SecurityAction.InheritanceDemand, Unrestricted = true)]
+	[ComVisible (true)]
+#if NET_2_1
+	public abstract class FileSystemInfo {
+#else
+	public abstract class FileSystemInfo : MarshalByRefObject, ISerializable {
+
+		#region Implementation of ISerializable
+
+		[ComVisible(false)]
+		public virtual void GetObjectData (SerializationInfo info, StreamingContext context)
+		{
+			info.AddValue ("OriginalPath", OriginalPath, typeof(string));
+			info.AddValue ("FullPath", FullPath, typeof(string));
+		}
+
+		#endregion Implementation of ISerializable
+#endif
 		// public properties
 
 		public abstract bool Exists { get; }
@@ -41,8 +85,14 @@ namespace System.IO {
 			}
 
 			set {
-				if (!MonoIO.SetFileAttributes (FullName, value))
-					throw MonoIO.GetException ();
+				MonoIOError error;
+				
+				if (!MonoIO.SetFileAttributes (FullName,
+							       value,
+							       out error))
+					throw MonoIO.GetException (FullName,
+								   error);
+				Refresh (true);
 			}
 		}
 
@@ -53,10 +103,28 @@ namespace System.IO {
 			}
 
 			set {
+				SecurityManager.EnsureElevatedPermissions (); // this is a no-op outside moonlight
+
 				long filetime = value.ToFileTime ();
 			
-				if (!MonoIO.SetFileTime (FullName, filetime, -1, -1))
-					throw MonoIO.GetException ();
+				MonoIOError error;
+				
+				if (!MonoIO.SetFileTime (FullName, filetime,
+							 -1, -1, out error))
+					throw MonoIO.GetException (FullName,
+								   error);
+				Refresh (true);
+			}
+		}
+
+		[ComVisible(false)]
+		public DateTime CreationTimeUtc {
+			get {
+				return CreationTime.ToUniversalTime ();
+			}
+
+			set {
+				CreationTime = value.ToLocalTime ();
 			}
 		}
 
@@ -67,10 +135,30 @@ namespace System.IO {
 			}
 
 			set {
+				SecurityManager.EnsureElevatedPermissions (); // this is a no-op outside moonlight
+
 				long filetime = value.ToFileTime ();
 
-				if (!MonoIO.SetFileTime (FullName, -1, filetime, -1))
-					throw MonoIO.GetException ();
+				MonoIOError error;
+				
+				if (!MonoIO.SetFileTime (FullName, -1,
+							 filetime, -1,
+							 out error))
+					throw MonoIO.GetException (FullName,
+								   error);
+				Refresh (true);
+			}
+		}
+
+		[ComVisible(false)]
+		public DateTime LastAccessTimeUtc {
+			get {
+				Refresh (false);
+				return LastAccessTime.ToUniversalTime ();
+			}
+
+			set {
+				LastAccessTime = value.ToLocalTime ();
 			}
 		}
 
@@ -81,10 +169,29 @@ namespace System.IO {
 			}
 
 			set {
+				SecurityManager.EnsureElevatedPermissions (); // this is a no-op outside moonlight
+
 				long filetime = value.ToFileTime ();
 
-				if (!MonoIO.SetFileTime (FullName, -1, -1, filetime))
-					throw MonoIO.GetException ();
+				MonoIOError error;
+				
+				if (!MonoIO.SetFileTime (FullName, -1, -1,
+							 filetime, out error))
+					throw MonoIO.GetException (FullName,
+								   error);
+				Refresh (true);
+			}
+		}
+
+		[ComVisible(false)]
+		public DateTime LastWriteTimeUtc {
+			get {
+				Refresh (false);
+				return LastWriteTime.ToUniversalTime ();
+			}
+
+			set {
+				LastWriteTime = value.ToLocalTime ();
 			}
 		}
 
@@ -105,6 +212,17 @@ namespace System.IO {
 			this.FullPath = null;
 		}
 
+		protected FileSystemInfo (SerializationInfo info, StreamingContext context)
+		{
+			if (info == null)
+			{
+				throw new ArgumentNullException("info");
+			}
+
+			FullPath = info.GetString("FullPath");
+			OriginalPath = info.GetString("OriginalPath");
+		}
+
 		protected string FullPath;
 		protected string OriginalPath;
 
@@ -115,16 +233,35 @@ namespace System.IO {
 			if (valid && !force)
 				return;
 
-			MonoIO.GetFileStat (FullName, out stat);
+			MonoIOError error;
+			
+			MonoIO.GetFileStat (FullName, out stat, out error);
+			/* Don't throw on error here, too much other
+			 * stuff relies on it not doing so...
+			 */
+			
 			valid = true;
+			
+			InternalRefresh ();
+		}
+		
+		internal virtual void InternalRefresh ()
+		{
 		}
 
 		internal void CheckPath (string path)
 		{
 			if (path == null)
-				throw new ArgumentNullException ();
+				throw new ArgumentNullException ("path");
+			if (path.Length == 0)
+				throw new ArgumentException ("An empty file name is not valid.");
 			if (path.IndexOfAny (Path.InvalidPathChars) != -1)
-				throw new ArgumentException ("Invalid characters in path.");
+				throw new ArgumentException ("Illegal characters in path.");
+			if (Environment.IsRunningOnWindows) {
+				int idx = path.IndexOf (':');
+				if (idx >= 0 && idx != 1)
+					throw new ArgumentException ("path");
+			}
 		}
 
 		internal MonoIOStat stat;