mcs/class/System.Web/System.Web/OutputFilterStream.cs

   1 //
   2 // System.Web.OutputFilterStream
   3 //
   4 // Author:
   5 //   Gonzalo Paniagua Javier (gonzalo@ximian.com
   6 //
   7 // (c) 2005 Novell, Inc. (http://www.novell.com)
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28
  29 using System.Runtime.InteropServices;
  30 using System.IO;
  31
  32 namespace System.Web {
  33
  34         class OutputFilterStream : Stream {
  35                 HttpResponseStream stream;
  36
  37                 public OutputFilterStream (HttpResponseStream stream)
  38                 {
  39                         this.stream = stream;
  40                 }
  41
  42                 public override bool CanRead {
  43                         get {
  44                                 return false;
  45                         }
  46                 }
  47
  48                 public override bool CanSeek {
  49                         get {
  50                                 return false;
  51                         }
  52                 }
  53
  54                 public override bool CanWrite {
  55                         get {
  56                                 return true;
  57                         }
  58                 }
  59
  60                 public override long Position {
  61                         get {
  62                                 throw new NotSupportedException ();
  63                         }
  64
  65                         set {
  66                                 throw new NotSupportedException ();
  67                         }
  68                 }
  69
  70                 public override long Length {
  71                         get {
  72                                 throw new NotSupportedException ();
  73                         }
  74                 }
  75
  76                 public override int Read (byte [] buffer, int offset, int count)
  77                 {
  78                         throw new NotSupportedException ();
  79                 }
  80
  81                 public override int ReadByte ()
  82                 {
  83                         throw new NotSupportedException ();
  84                 }
  85
  86                 public override long Seek (long offset, SeekOrigin loc)
  87                 {
  88                         throw new NotSupportedException ();
  89                 }
  90
  91                 public override void SetLength (long value)
  92                 {
  93                         throw new NotSupportedException ("This stream can not change its size");
  94                 }
  95
  96                 public override void Write (byte [] buffer, int offset, int count)
  97                 {
  98                         stream.Write (buffer, offset, count);
  99                 }
 100
 101                 public override void Flush ()
 102                 {
 103                 }
 104         }
 105 }
 106