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

   1 //
   2 // System.IO.StreamWriter.cs
   3 //
   4 // Authors:
   5 //   Dietmar Maurer (dietmar@ximian.com)
   6 //   Paolo Molaro (lupus@ximian.com)
   7 //   Dick Porter (dick@ximian.com)
   8 //
   9 // (C) Ximian, Inc.  http://www.ximian.com
  10 //
  11
  12 //
  13 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
  14 //
  15 // Permission is hereby granted, free of charge, to any person obtaining
  16 // a copy of this software and associated documentation files (the
  17 // "Software"), to deal in the Software without restriction, including
  18 // without limitation the rights to use, copy, modify, merge, publish,
  19 // distribute, sublicense, and/or sell copies of the Software, and to
  20 // permit persons to whom the Software is furnished to do so, subject to
  21 // the following conditions:
  22 //
  23 // The above copyright notice and this permission notice shall be
  24 // included in all copies or substantial portions of the Software.
  25 //
  26 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  27 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  28 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  29 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  30 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  31 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  32 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  33 //
  34
  35
  36 // This is a wrapper around StreamWriter used by System.Console that
  37 // catches IOException so that graphical applications don't suddenly
  38 // get IO errors when their terminal vanishes (ie when they spew debug
  39 // output.)  See UnexceptionalStreamReader too.
  40
  41 using System.Text;
  42 using System;
  43
  44 namespace System.IO {
  45         internal class UnexceptionalStreamWriter: StreamWriter {
  46                 public UnexceptionalStreamWriter (Stream stream)
  47                         : base (stream)
  48                 {
  49                 }
  50
  51                 public UnexceptionalStreamWriter (Stream stream,
  52                                                   Encoding encoding)
  53                         : base (stream, encoding)
  54                 {
  55                 }
  56
  57                 public UnexceptionalStreamWriter (Stream stream,
  58                                                   Encoding encoding,
  59                                                   int bufferSize)
  60                         : base (stream, encoding, bufferSize)
  61                 {
  62                 }
  63
  64                 public UnexceptionalStreamWriter (string path)
  65                         : base (path)
  66                 {
  67                 }
  68
  69                 public UnexceptionalStreamWriter (string path, bool append)
  70                         : base (path, append)
  71                 {
  72                 }
  73
  74                 public UnexceptionalStreamWriter (string path, bool append,
  75                                                   Encoding encoding)
  76                         : base (path, append, encoding)
  77                 {
  78                 }
  79
  80                 public UnexceptionalStreamWriter (string path, bool append,
  81                                                   Encoding encoding,
  82                                                   int bufferSize)
  83                         : base (path, append, encoding, bufferSize)
  84                 {
  85                 }
  86
  87                 public override void Flush ()
  88                 {
  89                         try {
  90                                 base.Flush ();
  91                         } catch (Exception) {
  92                         }
  93                 }
  94
  95                 public override void Write (char[] buffer, int index,
  96                                             int count)
  97                 {
  98                         try {
  99                                 base.Write (buffer, index, count);
 100                         } catch (IOException) {
 101                         }
 102                 }
 103
 104                 public override void Write (char value)
 105                 {
 106                         try {
 107                                 base.Write (value);
 108                         } catch (IOException) {
 109                         }
 110                 }
 111
 112                 public override void Write (char[] value)
 113                 {
 114                         try {
 115                                 base.Write (value);
 116                         } catch (IOException) {
 117                         }
 118                 }
 119
 120                 public override void Write (string value)
 121                 {
 122                         try {
 123                                 base.Write (value);
 124                         } catch (IOException) {
 125                         }
 126                 }
 127         }
 128 }