mcs/class/corlib/System.IO/FileInfo.cs

   1 //------------------------------------------------------------------------------\r
   2 // \r
   3 // System.IO.FileInfo.cs \r
   4 //\r
   5 // Copyright (C) 2001 Moonlight Enterprises, All Rights Reserved\r
   6 // \r
   7 // Author:         Jim Richardson, develop@wtfo-guru.com\r
   8 //                 Dan Lewis (dihlewis@yahoo.co.uk)\r
   9 // Created:        Monday, August 13, 2001 \r
  10 //\r
  11 //------------------------------------------------------------------------------\r
  12 \r
  13 using System;\r
  14 \r
  15 namespace System.IO {\r
  16 \r
  17         [Serializable]
  18         public sealed class FileInfo : FileSystemInfo {\r
  19         \r
  20                 public FileInfo (string path) {\r
  21                         CheckPath (path);\r
  22                 \r
  23                         OriginalPath = path;\r
  24                         FullPath = Path.GetFullPath (path);\r
  25                 }\r
  26 \r
  27                 // public properties\r
  28 \r
  29                 public override bool Exists {\r
  30                         get {\r
  31                                 Refresh (false);\r
  32 \r
  33                                 if (stat.Attributes == MonoIO.InvalidFileAttributes)\r
  34                                         return false;\r
  35 \r
  36                                 if ((stat.Attributes & FileAttributes.Directory) != 0)\r
  37                                         return false;\r
  38 \r
  39                                 return true;\r
  40                         }\r
  41                 }\r
  42 \r
  43                 public override string Name {\r
  44                         get {\r
  45                                 return Path.GetFileName (FullPath);\r
  46                         }\r
  47                 }\r
  48 \r
  49                 public long Length {\r
  50                         get {\r
  51                                 if (!Exists)\r
  52                                         throw new FileNotFoundException ("Could not find file \"" + OriginalPath + "\".");\r
  53 \r
  54                                 return stat.Length;\r
  55                         }\r
  56                 }\r
  57 \r
  58                 public string DirectoryName {\r
  59                         get {\r
  60                                 return Path.GetDirectoryName (FullPath);\r
  61                         }\r
  62                 }\r
  63 \r
  64                 public DirectoryInfo Directory {\r
  65                         get {\r
  66                                 return new DirectoryInfo (DirectoryName);\r
  67                         }\r
  68                 }\r
  69 \r
  70                 // streamreader methods\r
  71 \r
  72                 public StreamReader OpenText () {\r
  73                         return new StreamReader (Open (FileMode.Open, FileAccess.Read));\r
  74                 }\r
  75 \r
  76                 public StreamWriter CreateText () {\r
  77                         return new StreamWriter (Open (FileMode.Create, FileAccess.Write));\r
  78                 }\r
  79                 \r
  80                 public StreamWriter AppendText () {\r
  81                         return new StreamWriter (Open (FileMode.Append, FileAccess.Write));\r
  82                 }\r
  83 \r
  84                 // filestream methods\r
  85
  86                 public FileStream Create ()
  87                 {
  88                         return File.Create (FullPath);
  89                 }
  90
  91                 \r
  92                 public FileStream OpenRead () {\r
  93                         return Open (FileMode.Open, FileAccess.Read);\r
  94                 }\r
  95 \r
  96                 public FileStream OpenWrite () {\r
  97                         return Open (FileMode.OpenOrCreate, FileAccess.Write);\r
  98                 }\r
  99 \r
 100                 public FileStream Open (FileMode mode) {\r
 101                         return Open (mode, FileAccess.ReadWrite);\r
 102                 }\r
 103 \r
 104                 public FileStream Open (FileMode mode, FileAccess access) {\r
 105                         return Open (mode, access, FileShare.None);\r
 106                 }\r
 107 \r
 108                 public FileStream Open (FileMode mode, FileAccess access, FileShare share) {\r
 109                         return new FileStream (FullPath, mode, access, share);\r
 110                 }\r
 111 \r
 112                 // file methods\r
 113 \r
 114                 public override void Delete () {\r
 115                         if (!MonoIO.Exists (FullPath))          // a weird MS.NET behaviour\r
 116                                 return;\r
 117                 \r
 118                         if (!MonoIO.DeleteFile (FullPath))\r
 119                                 throw MonoIO.GetException (OriginalPath);\r
 120                 }\r
 121                 \r
 122                 public void MoveTo (string dest) {\r
 123                         File.Move (FullPath, dest);\r
 124                 }\r
 125 \r
 126                 public FileInfo CopyTo (string path) {\r
 127                         return CopyTo (path, false);\r
 128                 }\r
 129 \r
 130                 public FileInfo CopyTo (string path, bool overwrite) {\r
 131                         string dest = Path.GetFullPath (path);\r
 132                         File.Copy (FullPath, dest);\r
 133                 \r
 134                         return new FileInfo (dest);\r
 135                 }\r
 136 \r
 137                 public override string ToString () {\r
 138                         return OriginalPath;\r
 139                 }\r
 140         }\r
 141 }\r