mcs/class/System.Web/System.Web/HeadersCollection.cs

   1 using System;
   2 using System.Collections.Specialized;
   3 using System.Runtime.Serialization;
   4
   5 namespace System.Web
   6 {
   7         /// <summary>
   8         /// Summary description for HeadersCollection.
   9         /// </summary>
  10         class HeadersCollection : BaseParamsCollection
  11         {
  12
  13                 public HeadersCollection(HttpRequest request):base(request)
  14                 {
  15                 }
  16
  17                 protected override void InsertInfo()
  18                 {
  19                         HttpWorkerRequest worker_request = _request.WorkerRequest;
  20                         if (null != worker_request)
  21                         {
  22                                 for (int i = 0; i < HttpWorkerRequest.RequestHeaderMaximum; i++) {
  23                                         string hval = worker_request.GetKnownRequestHeader (i);
  24
  25                                         if (hval == null || hval == "")
  26                                                 continue;
  27
  28                                         Add (HttpWorkerRequest.GetKnownRequestHeaderName (i), hval);
  29                                 }
  30
  31                                 string [] [] unknown = worker_request.GetUnknownRequestHeaders ();
  32                                 if (unknown != null && unknown.GetUpperBound (0) != -1) {
  33                                         int top = unknown.GetUpperBound (0) + 1;
  34
  35                                         for (int i = 0; i < top; i++) {
  36                                                 // should check if unknown [i] is not null, but MS does not.
  37
  38                                                 Add (unknown [i] [0], unknown [i] [1]);
  39                                         }
  40                                 }
  41                                 Protect ();
  42                         }
  43                 }
  44
  45                 protected override string InternalGet(string name)
  46                 {
  47                         int headerIndex = HttpWorkerRequest.GetKnownRequestHeaderIndex(name);
  48                         string headerValue = null;
  49                         if (headerIndex >= 0)
  50                                 headerValue = _request.WorkerRequest.GetKnownRequestHeader(headerIndex);
  51                         if (headerValue == null)
  52                                 headerValue = _request.WorkerRequest.GetUnknownRequestHeader(name);
  53                         return headerValue;
  54                 }
  55         }
  56 }