Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Web/Abstractions/HttpFileCollectionWrapper.cs

@@ -0,0 +1,120 @@
+//------------------------------------------------------------------------------
+// <copyright file="HttpFileCollectionWrapper.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+//------------------------------------------------------------------------------
+
+namespace System.Web {
+    using System;
+    using System.Collections;
+    using System.Collections.Generic;
+    using System.Collections.Specialized;
+    using System.Diagnostics;
+    using System.Diagnostics.CodeAnalysis;
+    using System.Linq;
+    using System.Runtime.CompilerServices;
+    using System.Runtime.Serialization;
+    using System.Security.Permissions;
+
+    [TypeForwardedFrom("System.Web.Abstractions, Version=3.5.0.0, Culture=Neutral, PublicKeyToken=31bf3856ad364e35")]
+    [SuppressMessage("Microsoft.Security", "CA2126:TypeLinkDemandsRequireInheritanceDemands", Justification = "Workaround for FxCop Bug")]
+    [SuppressMessage("Microsoft.Naming", "CA1710:IdentifiersShouldHaveCorrectSuffix",
+        Justification = "This type is an abstraction for HttpFileCollection.")]
+    public class HttpFileCollectionWrapper : HttpFileCollectionBase {
+
+        private HttpFileCollection _collection;
+
+        public HttpFileCollectionWrapper(HttpFileCollection httpFileCollection) {
+            if (httpFileCollection == null) {
+                throw new ArgumentNullException("httpFileCollection");
+            }
+            _collection = httpFileCollection;
+        }
+
+        public override string[] AllKeys {
+            get {
+                return _collection.AllKeys;
+            }
+        }
+
+        public override int Count {
+            get {
+                return ((ICollection)_collection).Count;
+            }
+        }
+
+        public override bool IsSynchronized {
+            get {
+                return ((ICollection)_collection).IsSynchronized;
+            }
+        }
+
+        [SuppressMessage("Microsoft.Security", "CA2123:OverrideLinkDemandsShouldBeIdenticalToBase")]
+        public override NameObjectCollectionBase.KeysCollection Keys {
+            get {
+                return _collection.Keys;
+            }
+        }
+
+        public override object SyncRoot {
+            get {
+                return ((ICollection)_collection).SyncRoot;
+            }
+        }
+
+        public override HttpPostedFileBase this[string name] {
+            get {
+                HttpPostedFile file = _collection[name];
+                return (file != null) ? new HttpPostedFileWrapper(file) : null;
+            }
+        }
+
+        public override HttpPostedFileBase this[int index] {
+            get {
+                HttpPostedFile file = _collection[index];
+                return (file != null) ? new HttpPostedFileWrapper(file) : null;
+            }
+        }
+
+        public override void CopyTo(Array dest, int index) {
+            _collection.CopyTo(dest, index);
+        }
+
+        public override HttpPostedFileBase Get(int index) {
+            HttpPostedFile file = _collection.Get(index);
+            return (file != null) ? new HttpPostedFileWrapper(file) : null;
+        }
+
+        public override HttpPostedFileBase Get(string name) {
+            HttpPostedFile file = _collection.Get(name);
+            return (file != null) ? new HttpPostedFileWrapper(file) : null;
+        }
+
+        public override IList<HttpPostedFileBase> GetMultiple(string name) {
+            ICollection<HttpPostedFile> files = _collection.GetMultiple(name);
+            Debug.Assert(files != null);
+            return files.Select(f => (HttpPostedFileBase)new HttpPostedFileWrapper(f)).ToList().AsReadOnly();
+        }
+
+        public override IEnumerator GetEnumerator() {
+            return ((IEnumerable)_collection).GetEnumerator();
+        }
+
+        public override string GetKey(int index) {
+            return _collection.GetKey(index);
+        }
+
+        [SuppressMessage("Microsoft.Security", "CA2114:MethodSecurityShouldBeASupersetOfType", Justification = "Workaround for FxCop Bug")]
+        [SuppressMessage("Microsoft.Security", "CA2123:OverrideLinkDemandsShouldBeIdenticalToBase")]
+        [SecurityPermission(SecurityAction.Demand, SerializationFormatter=true)]
+        public override void GetObjectData(SerializationInfo info, StreamingContext context) {
+            _collection.GetObjectData(info, context);
+        }
+
+        [SuppressMessage("Microsoft.Security", "CA2123:OverrideLinkDemandsShouldBeIdenticalToBase")]
+        public override void OnDeserialization(object sender) {
+            _collection.OnDeserialization(sender);
+        }
+
+    }
+}