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

   1 //
   2 // System.IO.FileNotFoundException.cs
   3 //
   4 // Author:
   5 //   Paolo Molaro (lupus@ximian.com)
   6 //   Duncan Mak (duncan@ximian.com)
   7 //
   8 // (C) 2001 Ximian, Inc.  http://www.ximian.com
   9 // Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30
  31 using System.Globalization;
  32 using System.Runtime.Serialization;
  33 using System.Security.Permissions;
  34 using System.Text;
  35
  36 #if NET_2_0
  37 using System.Runtime.InteropServices;
  38 #endif
  39
  40 namespace System.IO {
  41
  42         [Serializable]
  43 #if NET_2_0
  44         [ComVisible (true)]
  45 #endif
  46         public class FileNotFoundException : IOException {
  47
  48                 const int Result = unchecked ((int)0x80131621);
  49
  50                 private string fileName;
  51                 private string fusionLog;
  52
  53                 // Constructors
  54                 public FileNotFoundException ()
  55                         : base (Locale.GetText ("Unable to find the specified file."))
  56                 {
  57                         HResult = Result;
  58                 }
  59
  60                 public FileNotFoundException (string message)
  61                         : base (message)
  62                 {
  63                         HResult = Result;
  64                 }
  65
  66                 public FileNotFoundException (string message, Exception inner)
  67                         : base (message, inner)
  68                 {
  69                         HResult = Result;
  70                 }
  71
  72                 public FileNotFoundException (string message, string fileName)
  73                         : base (message)
  74                 {
  75                         HResult = Result;
  76                         this.fileName = fileName;
  77                 }
  78
  79                 public FileNotFoundException (string message, string fileName, Exception innerException)
  80                         : base (message, innerException)
  81                 {
  82                         HResult = Result;
  83                         this.fileName = fileName;
  84                 }
  85
  86                 protected FileNotFoundException (SerializationInfo info, StreamingContext context)
  87                         : base (info, context)
  88                 {
  89                         fileName = info.GetString ("FileNotFound_FileName");
  90                         fusionLog = info.GetString ("FileNotFound_FusionLog");
  91                 }
  92
  93                 public string FileName
  94                 {
  95                         get { return fileName; }
  96                 }
  97
  98                 public string FusionLog {
  99                         // note: MS runtime throws a SecurityException when the Exception is created
 100                         // but a FileLoadException once the exception as been thrown. Mono always
 101                         // throw a SecurityException in both case (anyway fusionLog is currently empty)
 102                         [SecurityPermission (SecurityAction.Demand, ControlEvidence=true, ControlPolicy=true)]
 103                         get { return fusionLog; }
 104                 }
 105
 106                 public override string Message {
 107                         get {
 108                                 if (base.message == null) {
 109 #if NET_2_0
 110                                         if (fileName != null) {
 111                                                 string message = string.Format (CultureInfo.CurrentCulture,
 112                                                         "Could not load file or assembly '{0}' or one of"
 113                                                         + " its dependencies. The system cannot find the"
 114                                                         + " file specified.", fileName);
 115                                                 return message;
 116                                         }
 117 #else
 118                                         string file = fileName == null ? "(null)" : fileName;
 119                                         string message = string.Format (CultureInfo.CurrentCulture,
 120                                                 "File or assembly name {0}, or one of its dependencies,"
 121                                                 + " was not found.", file);
 122                                         return message;
 123 #endif
 124                                 }
 125                                 return base.message;
 126                         }
 127                 }
 128
 129                 public override void GetObjectData (SerializationInfo info, StreamingContext context)
 130                 {
 131                         base.GetObjectData (info, context);
 132                         info.AddValue ("FileNotFound_FileName", fileName);
 133                         info.AddValue ("FileNotFound_FusionLog", fusionLog);
 134                 }
 135
 136                 public override string ToString ()
 137                 {
 138                         StringBuilder sb = new StringBuilder (GetType ().FullName);
 139                         sb.AppendFormat (": {0}", Message);
 140
 141                         if (fileName != null && fileName.Length > 0) {
 142                                 sb.Append (Environment.NewLine);
 143 #if NET_2_0
 144                                 sb.AppendFormat ("File name: '{0}'", fileName);
 145 #else
 146                                 sb.AppendFormat ("File name: \"{0}\"", fileName);
 147 #endif
 148                         }
 149
 150                         if (this.InnerException != null)
 151                                 sb.AppendFormat (" ---> {0}", InnerException);
 152
 153                         if (this.StackTrace != null) {
 154                                 sb.Append (Environment.NewLine);
 155                                 sb.Append (StackTrace);
 156                         }
 157
 158                         return sb.ToString ();
 159                 }
 160         }
 161 }