2008-08-21 Sebastien Pouliot <sebastien@ximian.com>

[mono.git] / mcs / class / corlib / System.IO / FileSystemInfo.cs

diff --git a/mcs/class/corlib/System.IO/FileSystemInfo.cs b/mcs/class/corlib/System.IO/FileSystemInfo.cs
index 1223518df92318485460f94a4d29c20e52f06f00..02c59c632cd468690fa9ae65ee637902e42758ee 100644 (file)
--- a/mcs/class/corlib/System.IO/FileSystemInfo.cs
+++ b/mcs/class/corlib/System.IO/FileSystemInfo.cs
@@ -10,12 +10,56 @@
 //
 //------------------------------------------------------------------------------
 
-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.Permissions;
 
 namespace System.IO {
        
        [Serializable]
-       public abstract class FileSystemInfo : MarshalByRefObject {
+       [FileIOPermission (SecurityAction.InheritanceDemand, Unrestricted = true)]
+#if NET_2_0
+       [ComVisible (true)]
+#endif
+#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; }
@@ -46,7 +90,8 @@ namespace System.IO {
                                if (!MonoIO.SetFileAttributes (FullName,
                                                               value,
                                                               out error))
-                                       throw MonoIO.GetException (error);
+                                       throw MonoIO.GetException (FullName,
+                                                                  error);
                                Refresh (true);
                        }
                }
@@ -64,11 +109,13 @@ namespace System.IO {
                                
                                if (!MonoIO.SetFileTime (FullName, filetime,
                                                         -1, -1, out error))
-                                       throw MonoIO.GetException (error);
+                                       throw MonoIO.GetException (FullName,
+                                                                  error);
                                Refresh (true);
                        }
                }
 
+               [ComVisible(false)]
                public DateTime CreationTimeUtc {
                        get {
                                return CreationTime.ToUniversalTime ();
@@ -93,11 +140,13 @@ namespace System.IO {
                                if (!MonoIO.SetFileTime (FullName, -1,
                                                         filetime, -1,
                                                         out error))
-                                       throw MonoIO.GetException (error);
+                                       throw MonoIO.GetException (FullName,
+                                                                  error);
                                Refresh (true);
                        }
                }
 
+               [ComVisible(false)]
                public DateTime LastAccessTimeUtc {
                        get {
                                Refresh (false);
@@ -122,11 +171,13 @@ namespace System.IO {
                                
                                if (!MonoIO.SetFileTime (FullName, -1, -1,
                                                         filetime, out error))
-                                       throw MonoIO.GetException (error);
+                                       throw MonoIO.GetException (FullName,
+                                                                  error);
                                Refresh (true);
                        }
                }
 
+               [ComVisible(false)]
                public DateTime LastWriteTimeUtc {
                        get {
                                Refresh (false);
@@ -155,6 +206,17 @@ 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;
 
@@ -168,6 +230,10 @@ namespace System.IO {
                        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 ();
@@ -180,9 +246,11 @@ namespace System.IO {
                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.");
                }
 
                internal MonoIOStat stat;