mcs/class/System.Web/System.Web/HttpFileCollection.cs

   1 //
   2 // System.Web.HttpFileCollection
   3 //
   4 // Author:
   5 //   Patrik Torstensson (Patrik.Torstensson@labs2.com)
   6 //
   7
   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 using System;
  29 using System.Collections.Specialized;
  30
  31 namespace System.Web {
  32    public sealed class HttpFileCollection : NameObjectCollectionBase {
  33       private HttpPostedFile [] _AllFiles;
  34       private string [] _AllKeys;
  35
  36       internal HttpFileCollection() : base() {
  37       }
  38
  39       internal void AddFile(string name, HttpPostedFile file) {
  40          _AllFiles = null;
  41          _AllKeys = null;
  42
  43          BaseAdd(name, file);
  44       }
  45
  46       public void CopyTo(Array Dest, int index) {
  47          if (null == _AllFiles) {
  48             _AllFiles = new HttpPostedFile[Count];
  49             for (int i = 0; i != Count; i++) {
  50                _AllFiles[i] = Get(i);
  51             }
  52          }
  53
  54          if (null != _AllFiles) {
  55             _AllFiles.CopyTo(Dest, index);
  56          }
  57       }
  58
  59       public HttpPostedFile Get(string Name) {
  60          return (HttpPostedFile) BaseGet(Name);
  61       }
  62
  63       public HttpPostedFile Get(int index) {
  64          return (HttpPostedFile) BaseGet(index);
  65       }
  66
  67       public string GetKey(int index) {
  68          return BaseGetKey(index);
  69       }
  70
  71       public string [] AllKeys {
  72          get {
  73             if (null == _AllKeys) {
  74                _AllKeys = BaseGetAllKeys();
  75             }
  76
  77             return _AllKeys;
  78          }
  79       }
  80
  81       public HttpPostedFile this [string name] {
  82          get {
  83             return Get(name);
  84          }
  85       }
  86
  87       public HttpPostedFile this [int index] {
  88          get {
  89             return Get(index);
  90          }
  91       }
  92
  93    }
  94 }