HttpParamsCollection.cs :  » 2.6.4-mono-.net-core » System.Web » System » Web » C# / CSharp Open Source

//
// System.Web.HttpParamsCollection
//
// Authors:
//   Vladimir Krasnov (vladimirk@mainsoft.com)
//
// (C) 2006 Mainsoft Co. (http://www.mainsoft.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

using System;
using System.Collections.Specialized;
using System.Runtime.Serialization;

namespace System.Web{
  internal class HttpParamsCollection : WebROCollection
  {
    NameValueCollection _queryString;
    NameValueCollection _form;
    NameValueCollection _serverVariables;
    HttpCookieCollection _cookies;
    bool _merged;

    public HttpParamsCollection (NameValueCollection queryString,
               NameValueCollection form,
               NameValueCollection serverVariables,
               HttpCookieCollection cookies)
    {
      _queryString = queryString;
      _form = form;
      _serverVariables = serverVariables;
      _cookies = cookies;
      _merged = false;
      Protect ();
    }

    public override string Get (string name)
    {
      MergeCollections ();
      return base.Get (name);
    }

    void MergeCollections ()
    {
      if (_merged)
        return;      

      Unprotect ();

      Add (_queryString);
      Add (_form);
      Add (_serverVariables);

      /* special handling for Cookies since
       * it isn't a NameValueCollection. */
      for (int i = 0; i < _cookies.Count; i++) {
        HttpCookie cookie = _cookies [i];
        Add (cookie.Name, cookie.Value);
      }

      _merged = true;

      Protect ();
    }

    public override string Get (int index)
    {
      MergeCollections ();
      return base.Get (index);
    }

    public override string GetKey (int index)
    {
      MergeCollections ();
      return base.GetKey (index);
    }

    public override string[] GetValues (int index)
                {
      MergeCollections ();
      return base.GetValues (index);
                }
                
                public override string[] GetValues (string name)
                {
      MergeCollections ();
      return base.GetValues (name);
                }
    
    public override void GetObjectData (SerializationInfo info, StreamingContext context)
    {
      throw new SerializationException ();
    }

    public override string [] AllKeys
    {
      get {
        MergeCollections ();
        return base.AllKeys;
      }
    }

    public override int Count
    {
      get {
        MergeCollections ();
        return base.Count;
      }
    }
  }
}