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

   1 // \r
   2 // System.IO.DirectoryInfo.cs \r
   3 //\r
   4 // Author:\r
   5 //   Miguel de Icaza, miguel@ximian.com\r
   6 //   Jim Richardson, develop@wtfo-guru.com\r
   7 //   Dan Lewis, dihlewis@yahoo.co.uk\r
   8 //\r
   9 // Copyright (C) 2002 Ximian, Inc.\r
  10 // Copyright (C) 2001 Moonlight Enterprises, All Rights Reserved\r
  11 // \r
  12
  13 //
  14 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
  15 //
  16 // Permission is hereby granted, free of charge, to any person obtaining
  17 // a copy of this software and associated documentation files (the
  18 // "Software"), to deal in the Software without restriction, including
  19 // without limitation the rights to use, copy, modify, merge, publish,
  20 // distribute, sublicense, and/or sell copies of the Software, and to
  21 // permit persons to whom the Software is furnished to do so, subject to
  22 // the following conditions:
  23 //
  24 // The above copyright notice and this permission notice shall be
  25 // included in all copies or substantial portions of the Software.
  26 //
  27 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  28 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  29 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  30 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  31 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  32 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  33 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  34 //
  35 \r
  36 using System;\r
  37 using System.Collections;\r
  38 \r
  39 namespace System.IO {\r
  40         \r
  41         [Serializable]\r
  42         public sealed class DirectoryInfo : FileSystemInfo {\r
  43         \r
  44                 public DirectoryInfo (string path) {\r
  45                         CheckPath (path);\r
  46                 \r
  47                         OriginalPath = path;\r
  48                         FullPath = Path.GetFullPath (path);\r
  49                 }\r
  50 \r
  51                 // properties\r
  52 \r
  53                 public override bool Exists {\r
  54                         get {\r
  55                                 Refresh (false);\r
  56 \r
  57                                 if (stat.Attributes == MonoIO.InvalidFileAttributes)\r
  58                                         return false;\r
  59 \r
  60                                 if ((stat.Attributes & FileAttributes.Directory) == 0)\r
  61                                         return false;\r
  62 \r
  63                                 return true;\r
  64                         }\r
  65                 }\r
  66 \r
  67                 public override string Name {\r
  68                         get {\r
  69                                 string result = Path.GetFileName (FullPath);\r
  70                                 if (result == null || result == "")\r
  71                                         return FullPath;\r
  72                                 return result;\r
  73                         }\r
  74                 }\r
  75 \r
  76                 public DirectoryInfo Parent {\r
  77                         get {\r
  78                                 string dirname = Path.GetDirectoryName (FullPath);\r
  79                                 if (dirname == null)\r
  80                                         return null;\r
  81 \r
  82                                 return new DirectoryInfo (dirname);\r
  83                         }\r
  84                 }\r
  85 \r
  86                 public DirectoryInfo Root {\r
  87                         get {\r
  88                                 string root = Path.GetPathRoot (FullPath);\r
  89                                 if (root == null)\r
  90                                         return null;\r
  91 \r
  92                                 return new DirectoryInfo (root);\r
  93                         }\r
  94                 }\r
  95 \r
  96                 // creational methods\r
  97 \r
  98                 public void Create () {\r
  99                         Directory.CreateDirectory (FullPath);\r
 100                 }\r
 101 \r
 102                 public DirectoryInfo CreateSubdirectory (string name) {
 103                         CheckPath (name);
 104                         \r
 105                         string path = Path.Combine (FullPath, name);\r
 106                         Directory.CreateDirectory (path);\r
 107 \r
 108                         return new DirectoryInfo (path);\r
 109                 }\r
 110 \r
 111                 // directory listing methods\r
 112 \r
 113                 public FileInfo [] GetFiles () {\r
 114                         return GetFiles ("*");\r
 115                 }\r
 116 \r
 117                 public FileInfo [] GetFiles (string pattern) {\r
 118                         string [] names = Directory.GetFiles (FullPath, pattern);\r
 119 \r
 120                         ArrayList infos = new ArrayList ();\r
 121                         foreach (string name in names)\r
 122                                 infos.Add (new FileInfo (name));\r
 123 \r
 124                         return (FileInfo []) infos.ToArray (typeof (FileInfo));\r
 125                 }\r
 126 \r
 127                 public DirectoryInfo [] GetDirectories () {\r
 128                         return GetDirectories ("*");\r
 129                 }\r
 130 \r
 131                 public DirectoryInfo [] GetDirectories (string pattern) {\r
 132                         string [] names = Directory.GetDirectories (FullPath, pattern);\r
 133 \r
 134                         ArrayList infos = new ArrayList ();\r
 135                         foreach (string name in names)\r
 136                                 infos.Add (new DirectoryInfo (name));\r
 137 \r
 138                         return (DirectoryInfo []) infos.ToArray (typeof (DirectoryInfo));\r
 139                 }\r
 140 \r
 141                 public FileSystemInfo [] GetFileSystemInfos () {\r
 142                         return GetFileSystemInfos ("*");\r
 143                 }\r
 144 \r
 145                 public FileSystemInfo [] GetFileSystemInfos (string pattern) {\r
 146                         ArrayList infos = new ArrayList ();\r
 147                         infos.AddRange (GetDirectories (pattern));\r
 148                         infos.AddRange (GetFiles (pattern));\r
 149 \r
 150                         return (FileSystemInfo []) infos.ToArray (typeof (FileSystemInfo));\r
 151                 }\r
 152 \r
 153                 // directory management methods\r
 154 \r
 155                 public override void Delete () {\r
 156                         Delete (false);\r
 157                 }\r
 158 \r
 159                 public void Delete (bool recurse) {\r
 160                         Directory.Delete (FullPath, recurse);\r
 161                 }\r
 162 \r
 163                 public void MoveTo (string dest) {\r
 164                         Directory.Move (FullPath, Path.GetFullPath (dest));\r
 165                 }\r
 166 \r
 167                 public override string ToString () {\r
 168                         return OriginalPath;\r
 169                 }\r
 170         }\r
 171 }\r