2 // AcceptEncodingConfig.cs
5 // Gonzalo Paniagua Javier (gonzalo@ximian.com)
7 // (c) 2003 Ximian, Inc (http://www.ximian.com)
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:
19 // The above copyright notice and this permission notice shall be
20 // included in all copies or substantial portions of the Software.
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
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28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
32 using System.Collections;
33 using System.Collections.Specialized;
37 namespace Mono.Http.Configuration
39 public class AcceptEncodingConfig
41 Hashtable tbl = CollectionsUtil.CreateCaseInsensitiveHashtable ();
43 public AcceptEncodingConfig () : this (null)
47 public AcceptEncodingConfig (AcceptEncodingConfig parent)
52 // FIXME: copy parent's config
55 public void Add (string encoding, string type)
57 tbl [encoding] = Type.GetType (type);
60 public bool SetFilter (HttpResponse response, string acceptEncoding)
62 if (acceptEncoding == null)
65 acceptEncoding = acceptEncoding.Trim ();
66 if (acceptEncoding == "")
69 string [] parts = null;
70 if (acceptEncoding.IndexOf (';') != -1)
71 parts = acceptEncoding.Split (';');
73 parts = acceptEncoding.Split (',');
81 foreach (string s in parts) {
83 ParseValue (s, ref encoding, ref weight);
84 if (encoding != null && weight > current && tbl.Contains (encoding)) {
85 type = tbl [encoding] as Type;
95 Stream filter = response.Filter;
96 response.Filter = (Stream) Activator.CreateInstance (type, new object [] {filter});
97 response.AppendHeader ("Content-Encoding", name);
106 static void ParseValue (string s, ref string encoding, ref float weight)
108 //FIXME: make it more spec compliant
109 string [] parts = s.Trim ().Split (',');
110 if (parts.Length == 1) {
111 encoding = parts [0].Trim ();
113 } else if (parts.Length == 2) {
114 encoding = parts [0].Trim ();
116 int i = parts [1].IndexOf ('=');
118 weight = Convert.ToSingle (parts [1].Substring (i + 1));