// Copyright (C) 2001 Moonlight Enterprises, All Rights Reserved\r
// \r
// Author: Jim Richardson, develop@wtfo-guru.com\r
+// Dan Lewis (dihlewis@yahoo.co.uk)\r
// Created: Monday, August 13, 2001 \r
//\r
//------------------------------------------------------------------------------\r
-\r
-using System;
-using System.PAL;
-using System.Diagnostics;
-using System.Security.Permissions;
-
-namespace System.IO\r
-{\r
- /// <summary>\r
- /// \r
- /// </summary>\r
- public sealed class FileInfo : FileSystemInfo\r
- {\r
- private OpSys _os = Platform.OS;
- public FileInfo(string fileName)\r
- {
- CheckArgument.Path(fileName, false);
- //LAMESPEC: Does not throw security exception in constructor
- OriginalPath = fileName;
- }
-
- private bool existsOnDisk(bool exNotFound, bool exIsDirectory)
- {
- bool bRetCode;
-
- try
- {
- Refresh();
- if((getAttributes() & FileAttributes.Directory) != 0)
- {
- if(exIsDirectory)
- {
- throw new UnauthorizedAccessException();
- }
- bRetCode = false;
- }
- else
- {
- bRetCode = true;
- }
- }
- catch(ArgumentException ex)
- {
- Debug.WriteLine(ex); // eliminates not used warning
- if(exNotFound)
- {
- throw new FileNotFoundException();
- }
- bRetCode = false;
- }
- return bRetCode;
- }
-
- public override bool Exists\r
- {
- get
- {
- return existsOnDisk(false, false);
- }
- }\r
-\r
- public override string Name\r
+//
+// Copyright (C) 2004 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.
+//
+\r
+using System;\r
+\r
+namespace System.IO {\r
+\r
+ [Serializable]\r
+ public sealed class FileInfo : FileSystemInfo {\r
+ \r
+\r
+ private bool exists;\r
+\r
+ public FileInfo (string path) {\r
+ CheckPath (path);\r
+ \r
+ OriginalPath = path;\r
+ FullPath = Path.GetFullPath (path);\r
+ }\r
+ \r
+ internal override void InternalRefresh ()\r
{\r
- get\r
- {
- return Path.GetFileName(getPathName());\r
+ exists = File.Exists (FullPath);\r
+ }\r
+\r
+\r
+ // public properties\r
+\r
+ public override bool Exists {\r
+ get {\r
+ Refresh (false);\r
+\r
+ if (stat.Attributes == MonoIO.InvalidFileAttributes)\r
+ return false;\r
+\r
+ if ((stat.Attributes & FileAttributes.Directory) != 0)\r
+ return false;\r
+\r
+ return exists;\r
}\r
}\r
\r
- /// <summary>\r
- /// Gets the parent directory info\r
- /// </summary>\r
- public DirectoryInfo Directory\r
- {\r
- get\r
- {\r
- return new DirectoryInfo(Path.GetDirectoryName(getPathName()));\r
+ public override string Name {\r
+ get {\r
+ return Path.GetFileName (FullPath);\r
}\r
}\r
\r
- /// <summary>\r
- /// Get the path of the file\r
- /// </summary>\r
- public string DirectoryName\r
- {\r
- get\r
- {\r
- return Path.GetDirectoryName(getPathName());\r
+ public long Length {\r
+ get {\r
+ if (!Exists)\r
+ throw new FileNotFoundException ("Could not find file \"" + OriginalPath + "\".", OriginalPath);\r
+\r
+ return stat.Length;\r
}\r
}\r
\r
- /// <summary>\r
- /// Get the length of the file\r
- /// </summary>\r
- public long Length\r
- {\r
- get\r
- {
- try
- {
- Refresh();
- }
- catch(ArgumentException ex)
- {
- Debug.WriteLine(ex); // eliminates not used compiler warning
- throw new FileNotFoundException();
- }
- return _os.FileLength(getPathName());
+ public string DirectoryName {\r
+ get {\r
+ return Path.GetDirectoryName (FullPath);\r
}\r
}\r
-
- public StreamWriter AppendText()\r
- { // TODO: verify using correct FileMode here might be Create & Append
- return new StreamWriter(Open(FileMode.Append, FileAccess.Write));
+\r
+ public DirectoryInfo Directory {\r
+ get {\r
+ return new DirectoryInfo (DirectoryName);\r
+ }\r
}\r
- \r
- public FileStream Create()\r
- {
- // TODO: verify using correct FileMode here
- return Open(FileMode.OpenOrCreate, FileAccess.ReadWrite);\r
+\r
+ // streamreader methods\r
+\r
+ public StreamReader OpenText () {\r
+ return new StreamReader (Open (FileMode.Open, FileAccess.Read));\r
}\r
\r
- public StreamWriter CreateText()\r
- { //TODO: According to doc even CreateText throws a file not found ex
- // sounds suspicious so i'll have to check it out later
- //existsOnDisk(true, true); // throw not found, is directory
- return new StreamWriter(Open(FileMode.Create, FileAccess.Write));
+ public StreamWriter CreateText () {\r
+ return new StreamWriter (Open (FileMode.Create, FileAccess.Write));\r
}\r
\r
- public FileStream Open(FileMode mode)\r
- {\r
- return Open(mode, FileAccess.ReadWrite);\r
+ public StreamWriter AppendText () {\r
+ return new StreamWriter (Open (FileMode.Append, FileAccess.Write));\r
}\r
\r
- public FileStream Open(FileMode mode, FileAccess access)\r
+ // filestream methods\r
+\r
+ public FileStream Create ()\r
{\r
- return Open(mode, access, FileShare.None);\r
- }
-
- public FileStream Open(FileMode mode, FileAccess access, FileShare share)\r
- {
- bool bExists = existsOnDisk(false, true); // throw is directory;
- string path = getPathName();
- CheckPermission.ModeAccess(mode, access, path, bExists); \r
- return new FileStream(path, mode, access, share);\r
+ return File.Create (FullPath);\r
+ }\r
+ \r
+ \r
+ public FileStream OpenRead () {\r
+ return Open (FileMode.Open, FileAccess.Read);\r
}\r
\r
- public FileStream OpenRead()\r
- { // TODO: find out what default share should be\r
- return Open(FileMode.Open, FileAccess.Read, FileShare.Read);\r
+ public FileStream OpenWrite () {\r
+ return Open (FileMode.OpenOrCreate, FileAccess.Write);\r
}\r
\r
- public StreamReader OpenText()\r
- { // TODO: verify mode and access values
- return new StreamReader(Open(FileMode.OpenOrCreate, FileAccess.ReadWrite));
+ public FileStream Open (FileMode mode) {\r
+ return Open (mode, FileAccess.ReadWrite);\r
}\r
\r
- public FileStream OpenWrite()\r
- {\r
- return Open(FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.None);\r
+ public FileStream Open (FileMode mode, FileAccess access) {\r
+ return Open (mode, access, FileShare.None);\r
}\r
\r
- public FileInfo CopyTo(string destFile)\r
- {\r
- return CopyTo(destFile, false);\r
+ public FileStream Open (FileMode mode, FileAccess access, FileShare share) {\r
+ return new FileStream (FullPath, mode, access, share);\r
+ }\r
+\r
+ // file methods\r
+\r
+ public override void Delete () {\r
+ MonoIOError error;\r
+ \r
+ if (!MonoIO.Exists (FullPath, out error)) {\r
+ // a weird MS.NET behaviour\r
+ return;\r
+ }\r
+\r
+ if (MonoIO.ExistsDirectory (FullPath, out error)) {\r
+ throw new UnauthorizedAccessException ("Access to the path \"" + FullPath + "\" is denied.");\r
+ }\r
+ \r
+ if (!MonoIO.DeleteFile (FullPath, out error)) {\r
+ throw MonoIO.GetException (OriginalPath,\r
+ error);\r
+ }\r
+ }\r
+ \r
+ public void MoveTo (string dest) {\r
+\r
+ if (dest == null)\r
+ throw new ArgumentNullException ();\r
+\r
+ if (dest == Name || dest == FullName)\r
+ return;\r
+\r
+ MonoIOError error;\r
+ if (MonoIO.Exists (dest, out error) ||\r
+ MonoIO.ExistsDirectory (dest, out error))\r
+ throw new IOException ();\r
+ File.Move (FullPath, dest);\r
+ this.FullPath = Path.GetFullPath (dest);\r
}\r
\r
- public FileInfo CopyTo(string destFile, bool bOverwrite)\r
- { // TODO: Implement\r
- return null;\r
+ public FileInfo CopyTo (string path) {\r
+ return CopyTo (path, false);\r
}\r
\r
- public override void Delete()\r
- {
- existsOnDisk(true, true); // throw not found, is directory
- CheckPermission.Demand(FileIOPermissionAccess.AllAccess, getPathName());
- _os.DeleteFile(getPathName());
+ public FileInfo CopyTo (string path, bool overwrite) {\r
+ string dest = Path.GetFullPath (path);\r
+\r
+ if (overwrite && File.Exists (path))\r
+ File.Delete (path);\r
+\r
+ File.Copy (FullPath, dest);\r
+ \r
+ return new FileInfo (dest);\r
}\r
\r
- public void MoveTo(string destName)\r
- { // TODO: Implement\r
+ public override string ToString () {\r
+ return OriginalPath;\r
}\r
}\r
}\r