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//------------------------------------------------------------------------------
//
// System.IO.FileSystemInfo.cs
//
// Copyright (C) 2001 Moonlight Enterprises, All Rights Reserved
//
// Author: Jim Richardson, develop@wtfo-guru.com
// Dan Lewis (dihlewis@yahoo.co.uk)
// Created: Monday, August 13, 2001
//
//------------------------------------------------------------------------------
using System;
namespace System.IO {
[Serializable]
public abstract class FileSystemInfo : MarshalByRefObject {
// public properties
public abstract bool Exists { get; }
public abstract string Name { get; }
public virtual string FullName {
get {
return FullPath;
}
}
public string Extension {
get {
return Path.GetExtension (Name);
}
}
public FileAttributes Attributes {
get {
Refresh (false);
return stat.Attributes;
}
set {
if (!MonoIO.SetFileAttributes (FullName, value))
throw MonoIO.GetException ();
}
}
public DateTime CreationTime {
get {
Refresh (false);
return DateTime.FromFileTime (stat.CreationTime);
}
set {
long filetime = value.ToFileTime ();
if (!MonoIO.SetFileTime (FullName, filetime, -1, -1))
throw MonoIO.GetException ();
}
}
public DateTime LastAccessTime {
get {
Refresh (false);
return DateTime.FromFileTime (stat.LastAccessTime);
}
set {
long filetime = value.ToFileTime ();
if (!MonoIO.SetFileTime (FullName, -1, filetime, -1))
throw MonoIO.GetException ();
}
}
public DateTime LastWriteTime {
get {
Refresh (false);
return DateTime.FromFileTime (stat.LastWriteTime);
}
set {
long filetime = value.ToFileTime ();
if (!MonoIO.SetFileTime (FullName, -1, -1, filetime))
throw MonoIO.GetException ();
}
}
// public methods
public abstract void Delete ();
public void Refresh ()
{
Refresh (true);
}
// protected
protected FileSystemInfo ()
{
this.valid = false;
this.FullPath = null;
}
protected string FullPath;
protected string OriginalPath;
// internal
internal void Refresh (bool force)
{
if (valid && !force)
return;
MonoIO.GetFileStat (FullName, out stat);
valid = true;
}
internal void CheckPath (string path)
{
if (path == null)
throw new ArgumentNullException ();
if (path.IndexOfAny (Path.InvalidPathChars) != -1)
throw new ArgumentException ("Invalid characters in path.");
}
internal MonoIOStat stat;
internal bool valid;
}
}
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