mcs/class/System.Web/System.Web/HttpParamsCollection.cs

   1 //
   2 // System.Web.HttpParamsCollection
   3 //
   4 // Authors:
   5 //   Vladimir Krasnov (vladimirk@mainsoft.com)
   6 //
   7 // (C) 2006 Mainsoft Co. (http://www.mainsoft.com)
   8 //
   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:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  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.
  27 //
  28
  29 using System;
  30 using System.Collections.Specialized;
  31 using System.Runtime.Serialization;
  32
  33 namespace System.Web
  34 {
  35         internal class HttpParamsCollection : WebROCollection
  36         {
  37                 NameValueCollection _queryString;
  38                 NameValueCollection _form;
  39                 NameValueCollection _serverVariables;
  40                 HttpCookieCollection _cookies;
  41                 bool _merged;
  42
  43                 public HttpParamsCollection (NameValueCollection queryString,
  44                                              NameValueCollection form,
  45                                              NameValueCollection serverVariables,
  46                                              HttpCookieCollection cookies)
  47                 {
  48                         _queryString = queryString;
  49                         _form = form;
  50                         _serverVariables = serverVariables;
  51                         _cookies = cookies;
  52                         _merged = false;
  53                         Protect ();
  54                 }
  55
  56                 public override string Get (string name)
  57                 {
  58                         MergeCollections ();
  59                         return base.Get (name);
  60                 }
  61
  62                 void MergeCollections ()
  63                 {
  64                         if (_merged)
  65                                 return;
  66
  67                         Unprotect ();
  68
  69                         Add (_queryString);
  70                         Add (_form);
  71                         Add (_serverVariables);
  72
  73                         /* special handling for Cookies since
  74                          * it isn't a NameValueCollection. */
  75                         for (int i = 0; i < _cookies.Count; i++) {
  76                                 HttpCookie cookie = _cookies [i];
  77                                 Add (cookie.Name, cookie.Value);
  78                         }
  79
  80                         _merged = true;
  81
  82                         Protect ();
  83                 }
  84
  85                 public override string Get (int index)
  86                 {
  87                         MergeCollections ();
  88                         return base.Get (index);
  89                 }
  90
  91                 public override string GetKey (int index)
  92                 {
  93                         MergeCollections ();
  94                         return base.GetKey (index);
  95                 }
  96
  97                 public override string[] GetValues (int index)
  98                 {
  99                         MergeCollections ();
 100                         return base.GetValues (index);
 101                 }
 102
 103                 public override string[] GetValues (string name)
 104                 {
 105                         MergeCollections ();
 106                         return base.GetValues (name);
 107                 }
 108
 109                 public override void GetObjectData (SerializationInfo info, StreamingContext context)
 110                 {
 111                         throw new SerializationException ();
 112                 }
 113
 114                 public override string [] AllKeys
 115                 {
 116                         get {
 117                                 MergeCollections ();
 118                                 return base.AllKeys;
 119                         }
 120                 }
 121
 122                 public override int Count
 123                 {
 124                         get {
 125                                 MergeCollections ();
 126                                 return base.Count;
 127                         }
 128                 }
 129         }
 130 }