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 \r
  13 using System;\r
  14 using System.Collections;\r
  15 \r
  16 namespace System.IO {\r
  17         \r
  18         [Serializable]
  19         public sealed class DirectoryInfo : FileSystemInfo {\r
  20         \r
  21                 public DirectoryInfo (string path) {\r
  22                         CheckPath (path);\r
  23                 \r
  24                         OriginalPath = path;\r
  25                         FullPath = Path.GetFullPath (path);\r
  26                 }\r
  27 \r
  28                 // properties\r
  29 \r
  30                 public override bool Exists {\r
  31                         get {\r
  32                                 Refresh (false);\r
  33 \r
  34                                 if (stat.Attributes == MonoIO.InvalidFileAttributes)\r
  35                                         return false;\r
  36 \r
  37                                 if ((stat.Attributes & FileAttributes.Directory) == 0)\r
  38                                         return false;\r
  39 \r
  40                                 return true;\r
  41                         }\r
  42                 }\r
  43 \r
  44                 public override string Name {\r
  45                         get {\r
  46                                 string result = Path.GetFileName (FullPath);\r
  47                                 if (result == null || result == "")
  48                                         return FullPath;
  49                                 return result;
  50                         }\r
  51                 }\r
  52 \r
  53                 public DirectoryInfo Parent {\r
  54                         get {\r
  55                                 string dirname = Path.GetDirectoryName (FullPath);
  56                                 if (dirname == null)
  57                                         return null;
  58
  59                                 return new DirectoryInfo (dirname);
  60                         }\r
  61                 }\r
  62 \r
  63                 public DirectoryInfo Root {\r
  64                         get {\r
  65                                 string root = Path.GetPathRoot (FullPath);
  66                                 if (root == null)
  67                                         return null;
  68
  69                                 return new DirectoryInfo (root);
  70                         }\r
  71                 }\r
  72 \r
  73                 // creational methods\r
  74 \r
  75                 public void Create () {\r
  76                         Directory.CreateDirectory (FullPath);\r
  77                 }\r
  78 \r
  79                 public DirectoryInfo CreateSubdirectory (string name) {\r
  80                         string path = Path.Combine (FullPath, Path.GetFileName (name));\r
  81                         Directory.CreateDirectory (path);\r
  82 \r
  83                         return new DirectoryInfo (path);\r
  84                 }\r
  85 \r
  86                 // directory listing methods\r
  87 \r
  88                 public FileInfo [] GetFiles () {\r
  89                         return GetFiles ("*");\r
  90                 }\r
  91 \r
  92                 public FileInfo [] GetFiles (string pattern) {\r
  93                         string [] names = Directory.GetFiles (FullPath, pattern);\r
  94 \r
  95                         ArrayList infos = new ArrayList ();\r
  96                         foreach (string name in names)\r
  97                                 infos.Add (new FileInfo (name));\r
  98 \r
  99                         return (FileInfo []) infos.ToArray (typeof (FileInfo));\r
 100                 }\r
 101 \r
 102                 public DirectoryInfo [] GetDirectories () {\r
 103                         return GetDirectories ("*");\r
 104                 }\r
 105 \r
 106                 public DirectoryInfo [] GetDirectories (string pattern) {\r
 107                         string [] names = Directory.GetDirectories (FullPath, pattern);\r
 108 \r
 109                         ArrayList infos = new ArrayList ();\r
 110                         foreach (string name in names)\r
 111                                 infos.Add (new DirectoryInfo (name));\r
 112 \r
 113                         return (DirectoryInfo []) infos.ToArray (typeof (DirectoryInfo));\r
 114                 }\r
 115 \r
 116                 public FileSystemInfo [] GetFileSystemInfos () {\r
 117                         return GetFileSystemInfos ("*");\r
 118                 }\r
 119 \r
 120                 public FileSystemInfo [] GetFileSystemInfos (string pattern) {\r
 121                         ArrayList infos = new ArrayList ();\r
 122                         infos.AddRange (GetDirectories (pattern));\r
 123                         infos.AddRange (GetFiles (pattern));\r
 124 \r
 125                         return (FileSystemInfo []) infos.ToArray (typeof (FileSystemInfo));\r
 126                 }\r
 127 \r
 128                 // directory management methods\r
 129 \r
 130                 public override void Delete () {\r
 131                         Delete (false);\r
 132                 }\r
 133 \r
 134                 public void Delete (bool recurse) {\r
 135                         Directory.Delete (FullPath, recurse);\r
 136                 }\r
 137 \r
 138                 public void MoveTo (string dest) {\r
 139                         Directory.Move (FullPath, Path.GetFullPath (dest));
 140                 }\r
 141 \r
 142                 public override string ToString () {\r
 143                         return OriginalPath;
 144                 }\r
 145         }\r
 146 }\r