2 // System.Web.InputFilterStream
5 // Gonzalo Paniagua Javier (gonzalo@ximian.com
7 // (c) 2005 Novell, Inc. (http://www.novell.com)
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:
17 // The above copyright notice and this permission notice shall be
18 // included in all copies or substantial portions of the Software.
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.
29 using System.Runtime.InteropServices;
32 namespace System.Web {
34 class InputFilterStream : Stream {
37 public InputFilterStream ()
41 internal Stream BaseStream {
42 set { stream = value; }
45 public override bool CanRead {
51 public override bool CanSeek {
57 public override bool CanWrite {
63 public override long Position {
65 return stream.Position;
69 stream.Position = value;
73 public override long Length {
79 public override int Read (byte [] buffer, int offset, int count)
81 return stream.Read (buffer, offset, count);
84 public override int ReadByte ()
86 return stream.ReadByte ();
89 public override long Seek (long offset, SeekOrigin loc)
91 return stream.Seek (offset, loc);
94 public override void SetLength (long value)
96 throw new NotSupportedException ("This stream can not change its size");
99 public override void Write (byte [] buffer, int offset, int count)
101 throw new NotSupportedException ("This stream can not change its size");
104 public override void WriteByte (byte value)
106 throw new NotSupportedException ("This stream can not change its size");
109 public override void Flush ()
113 public override void Close ()