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//
// System.Web.Caching.CachedVaryBy
//
// Author(s):
// Jackson Harper (jackson@ximian.com)
//
// (C) 2003 Novell, Inc (http://www.novell.com)
//
using System;
using System.Text;
using System.Collections;
namespace System.Web.Caching {
internal class CachedVaryBy {
private string[] prms;
private string[] headers;
private string custom;
private string key;
private ArrayList item_list;
internal CachedVaryBy (HttpCachePolicy policy, string key)
{
prms = policy.VaryByParams.GetParamNames ();
headers = policy.VaryByHeaders.GetHeaderNames ();
custom = policy.GetVaryByCustom ();
this.key = key;
item_list = new ArrayList ();
}
internal ArrayList ItemList {
get { return item_list; }
}
internal string Key {
get { return key; }
}
internal string CreateKey (string file_path, HttpContext context)
{
StringBuilder builder = new StringBuilder ();
HttpApplication app = context.ApplicationInstance;
HttpRequest request = context.Request;
builder.Append ("CachedRawResponse\n");
builder.Append (file_path);
builder.Append ('\n');
builder.Append ("METHOD:" + request.HttpMethod);
builder.Append ('\n');
if (prms != null) {
for (int i=0; i<prms.Length; i++) {
if (request.Params [prms [i]] == null)
continue;
builder.Append ("VP:");
builder.Append (prms [i]);
builder.Append ('=');
builder.Append (request.Params [prms [i]]);
builder.Append ('\n');
}
}
if (headers != null) {
for (int i=0; i<headers.Length; i++) {
builder.Append ("VH:");
builder.Append (headers [i]);
builder.Append ('=');
builder.Append (request.Headers [headers [i]]);
builder.Append ('\n');
}
}
if (custom != null) {
string s = app.GetVaryByCustomString (context, custom);
builder.Append ("VC:");
builder.Append (custom);
builder.Append ('=');
builder.Append (s != null ? s : "__null__");
builder.Append ('\n');
}
return builder.ToString ();
}
}
}
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