2 // System.Web.Caching.CachedVaryBy
5 // Jackson Harper (jackson@ximian.com)
7 // (C) 2003 Novell, Inc (http://www.novell.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
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.
34 using System.Collections;
36 namespace System.Web.Caching {
38 internal class CachedVaryBy {
40 private string[] prms;
41 private string[] headers;
42 private string custom;
44 private ArrayList item_list;
46 internal CachedVaryBy (HttpCachePolicy policy, string key)
48 prms = policy.VaryByParams.GetParamNames ();
49 headers = policy.VaryByHeaders.GetHeaderNames ();
50 custom = policy.GetVaryByCustom ();
52 item_list = new ArrayList ();
55 internal ArrayList ItemList {
56 get { return item_list; }
63 internal string CreateKey (string file_path, HttpContext context)
65 StringBuilder builder = new StringBuilder ();
66 HttpApplication app = context.ApplicationInstance;
67 HttpRequest request = context.Request;
69 builder.Append ("CachedRawResponse\n");
70 builder.Append (file_path);
71 builder.Append ('\n');
72 builder.Append ("METHOD:" + request.HttpMethod);
73 builder.Append ('\n');
76 for (int i=0; i<prms.Length; i++) {
77 if (request.Params [prms [i]] == null)
79 builder.Append ("VP:");
80 builder.Append (prms [i]);
82 builder.Append (request.Params [prms [i]]);
83 builder.Append ('\n');
87 if (headers != null) {
88 for (int i=0; i<headers.Length; i++) {
89 builder.Append ("VH:");
90 builder.Append (headers [i]);
92 builder.Append (request.Headers [headers [i]]);
93 builder.Append ('\n');
98 string s = app.GetVaryByCustomString (context, custom);
99 builder.Append ("VC:");
100 builder.Append (custom);
101 builder.Append ('=');
102 builder.Append (s != null ? s : "__null__");
103 builder.Append ('\n');
106 return builder.ToString ();