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

   1 // \r
   2 // System.IO.File.cs \r
   3 //\r
   4 // \r
   5 // Authors:\r
   6 //   Miguel de Icaza (miguel@ximian.com)\r
   7 //   Jim Richardson  (develop@wtfo-guru.com)\r
   8 //   Dan Lewis       (dihlewis@yahoo.co.uk)\r
   9 //\r
  10 // Copyright 2002 Ximian, Inc. http://www.ximian.com\r
  11 // Copyright (C) 2001 Moonlight Enterprises, All Rights Reserved\r
  12 //\r
  13 \r
  14 using System;\r
  15 \r
  16 namespace System.IO\r
  17 {\r
  18         /// <summary>\r
  19         /// \r
  20         /// </summary>\r
  21         public sealed class File : Object\r
  22         {\r
  23                 private File () {}
  24
  25                 public static StreamWriter AppendText (string path)\r
  26                 {       \r
  27                         return new StreamWriter (path, true);\r
  28                 }\r
  29                  \r
  30                 public static void Copy (string sourceFilename, string destFilename)\r
  31                 {\r
  32                         Copy (sourceFilename, destFilename, true);\r
  33                 }\r
  34                  \r
  35                 public static void Copy (string src, string dest, bool overwrite)\r
  36                 {       \r
  37                         if (src == null || dest == null)\r
  38                                 throw new ArgumentNullException ();\r
  39                         if (src == "" || dest == null ||\r
  40                             src.IndexOfAny (Path.InvalidPathChars) != -1 ||\r
  41                             dest.IndexOfAny (Path.InvalidPathChars) != -1)\r
  42                                 throw new ArgumentException ();\r
  43 \r
  44                         if (!MonoIO.CopyFile (src, dest, overwrite))\r
  45                                 throw MonoIO.GetException ();\r
  46                 }\r
  47 \r
  48                 public static FileStream Create (string path)\r
  49                 {\r
  50                         return Create (path, 8192);\r
  51                 }\r
  52 \r
  53                 public static FileStream Create (string path, int buffersize)\r
  54                 {\r
  55                         return new FileStream (path, FileMode.Create, FileAccess.ReadWrite,\r
  56                                                FileShare.None, buffersize);\r
  57                 }\r
  58                 \r
  59                 public static void Delete (string path)\r
  60                 {\r
  61                         if (path == null)\r
  62                                 throw new ArgumentNullException ();\r
  63                         if (path == "" || path.IndexOfAny (Path.InvalidPathChars) != -1)\r
  64                                 throw new ArgumentException ();\r
  65                         \r
  66                         if (!MonoIO.DeleteFile (path))\r
  67                                 throw MonoIO.GetException ();\r
  68                 }\r
  69                 \r
  70                 public static bool Exists (string path)\r
  71                 {\r
  72                         return MonoIO.ExistsFile (path);\r
  73                 }\r
  74 \r
  75                 public static FileAttributes GetAttributes (string path)\r
  76                 {\r
  77                         return MonoIO.GetFileAttributes (path);\r
  78                 }\r
  79 \r
  80                 public static DateTime GetCreationTime (string path)\r
  81                 {\r
  82                         MonoIOStat stat;\r
  83 \r
  84                         MonoIO.GetFileStat (path, out stat);\r
  85                         return DateTime.FromFileTime (stat.CreationTime);\r
  86                 }\r
  87 \r
  88                 public static DateTime GetLastAccessTime (string path)\r
  89                 {\r
  90                         MonoIOStat stat;\r
  91 \r
  92                         MonoIO.GetFileStat (path, out stat);\r
  93                         return DateTime.FromFileTime (stat.LastAccessTime);\r
  94                 }\r
  95 \r
  96                 public static DateTime GetLastWriteTime (string path)\r
  97                 {\r
  98                         MonoIOStat stat;\r
  99 \r
 100                         MonoIO.GetFileStat (path, out stat);\r
 101                         return DateTime.FromFileTime (stat.LastWriteTime);\r
 102                 }\r
 103 \r
 104                 public static void Move (string src, string dest)\r
 105                 {\r
 106                         if (src == null || dest == null)\r
 107                                 throw new ArgumentNullException ();\r
 108                         if (src == "" || dest == null ||\r
 109                             src.IndexOfAny (Path.InvalidPathChars) != -1 ||\r
 110                             dest.IndexOfAny (Path.InvalidPathChars) != -1)\r
 111                                 throw new ArgumentException ();\r
 112 \r
 113                         if (!MonoIO.MoveFile (src, dest))\r
 114                                 throw MonoIO.GetException ();\r
 115                 }\r
 116                 \r
 117                 public static FileStream Open (string path, FileMode mode)\r
 118                 {       \r
 119                         return new FileStream (path, mode, FileAccess.ReadWrite, FileShare.None);\r
 120                 }\r
 121                 \r
 122                 public static FileStream Open (string path, FileMode mode, FileAccess access)\r
 123                 {       \r
 124                         return new FileStream (path, mode, access, FileShare.None);\r
 125                 }\r
 126 \r
 127                 public static FileStream Open (string path, FileMode mode, FileAccess access,\r
 128                                                FileShare share)\r
 129                 {\r
 130                         return new FileStream (path, mode, access, share);\r
 131                 }\r
 132                 \r
 133                 public static FileStream OpenRead (string path)\r
 134                 {       \r
 135                         return new FileStream (path, FileMode.Open, FileAccess.Read, FileShare.Read);\r
 136                 }\r
 137 \r
 138                 public static StreamReader OpenText (string path)\r
 139                 {\r
 140                         return new StreamReader (path);\r
 141                 }\r
 142 \r
 143                 public static FileStream OpenWrite (string path)\r
 144                 {\r
 145                         return new FileStream(path, FileMode.OpenOrCreate, FileAccess.Write, FileShare.None);\r
 146                 }\r
 147 \r
 148                 public static void SetAttributes (string path, FileAttributes attributes)\r
 149                 {\r
 150                         if (!MonoIO.SetFileAttributes (path, attributes))\r
 151                                 throw MonoIO.GetException (path);\r
 152                 }\r
 153 \r
 154                 public static void SetCreationTime (string path, DateTime creation_time)\r
 155                 {\r
 156                         if (!MonoIO.SetFileTime (path, creation_time.Ticks, -1, -1))\r
 157                                 throw MonoIO.GetException (path);\r
 158                 }\r
 159 \r
 160                 public static void SetLastAccessTime (string path, DateTime last_access_time)\r
 161                 {\r
 162                         if (!MonoIO.SetFileTime (path, -1, last_access_time.Ticks, -1))\r
 163                                 throw MonoIO.GetException (path);\r
 164                 }\r
 165 \r
 166                 public static void SetLastWriteTime (string path, DateTime last_write_time)\r
 167                 {\r
 168                         if (!MonoIO.SetFileTime (path, -1, -1, last_write_time.Ticks))\r
 169                                 throw MonoIO.GetException (path);\r
 170                 }\r
 171         }\r
 172 }\r