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 namespace System.IO {
  37
  38         [Serializable]
  39         public class FileNotFoundException : IOException {
  40
  41                 const int Result = unchecked ((int)0x80131621);
  42
  43                 private string fileName;
  44                 private string fusionLog;
  45
  46                 // Constructors
  47                 public FileNotFoundException ()
  48                         : base (Locale.GetText ("Unable to find the specified file."))
  49                 {
  50                         HResult = Result;
  51                 }
  52
  53                 public FileNotFoundException (string message)
  54                         : base (message)
  55                 {
  56                         HResult = Result;
  57                 }
  58
  59                 public FileNotFoundException (string message, Exception inner)
  60                         : base (message, inner)
  61                 {
  62                         HResult = Result;
  63                 }
  64
  65                 public FileNotFoundException (string message, string fileName)
  66                         : base (message)
  67                 {
  68                         HResult = Result;
  69                         this.fileName = fileName;
  70                 }
  71
  72                 public FileNotFoundException (string message, string fileName, Exception innerException)
  73                         : base (message, innerException)
  74                 {
  75                         HResult = Result;
  76                         this.fileName = fileName;
  77                 }
  78
  79                 protected FileNotFoundException (SerializationInfo info, StreamingContext context)
  80                         : base (info, context)
  81                 {
  82                         fileName = info.GetString ("FileNotFound_FileName");
  83                         fusionLog = info.GetString ("FileNotFound_FusionLog");
  84                 }
  85
  86                 public string FileName
  87                 {
  88                         get { return fileName; }
  89                 }
  90
  91                 public string FusionLog {
  92                         // note: MS runtime throws a SecurityException when the Exception is created
  93                         // but a FileLoadException once the exception as been thrown. Mono always
  94                         // throw a SecurityException in both case (anyway fusionLog is currently empty)
  95                         [SecurityPermission (SecurityAction.Demand, ControlEvidence=true, ControlPolicy=true)]
  96                         get { return fusionLog; }
  97                 }
  98
  99                 public override string Message {
 100                         get {
 101                                 if (base.message == null) {
 102 #if NET_2_0
 103                                         if (fileName != null) {
 104                                                 string message = string.Format (CultureInfo.CurrentCulture,
 105                                                         "Could not load file or assembly '{0}' or one of"
 106                                                         + " its dependencies. The system cannot find the"
 107                                                         + " file specified.", fileName);
 108                                                 return message;
 109                                         }
 110 #else
 111                                         string file = fileName == null ? "(null)" : fileName;
 112                                         string message = string.Format (CultureInfo.CurrentCulture,
 113                                                 "File or assembly name {0}, or one of its dependencies,"
 114                                                 + " was not found.", file);
 115                                         return message;
 116 #endif
 117                                 }
 118                                 return base.message;
 119                         }
 120                 }
 121
 122                 public override void GetObjectData (SerializationInfo info, StreamingContext context)
 123                 {
 124                         base.GetObjectData (info, context);
 125                         info.AddValue ("FileNotFound_FileName", fileName);
 126                         info.AddValue ("FileNotFound_FusionLog", fusionLog);
 127                 }
 128
 129                 public override string ToString ()
 130                 {
 131                         StringBuilder sb = new StringBuilder (GetType ().FullName);
 132                         sb.AppendFormat (": {0}", Message);
 133
 134                         if (fileName != null && fileName.Length > 0) {
 135                                 sb.Append (Environment.NewLine);
 136 #if NET_2_0
 137                                 sb.AppendFormat ("File name: '{0}'", fileName);
 138 #else
 139                                 sb.AppendFormat ("File name: \"{0}\"", fileName);
 140 #endif
 141                         }
 142
 143                         if (this.InnerException != null)
 144                                 sb.AppendFormat (" ---> {0}", InnerException);
 145
 146                         if (this.StackTrace != null) {
 147                                 sb.Append (Environment.NewLine);
 148                                 sb.Append (StackTrace);
 149                         }
 150
 151                         return sb.ToString ();
 152                 }
 153         }
 154 }