Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Web/Configuration/HttpModuleActionCollection.cs

@@ -0,0 +1,100 @@
+//------------------------------------------------------------------------------
+// <copyright file="HttpModuleActionCollection.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+//------------------------------------------------------------------------------
+
+namespace System.Web.Configuration {
+    using System;
+    using System.Xml;
+    using System.Configuration;
+    using System.Collections.Specialized;
+    using System.Collections;
+    using System.IO;
+    using System.Text;
+    using System.Web.Configuration;
+    using System.Globalization;
+    using System.Security.Permissions;
+
+    // class HttpModulesSection
+
+    [ConfigurationCollection(typeof(HttpModuleAction))]
+    public sealed class HttpModuleActionCollection : ConfigurationElementCollection {
+        private static ConfigurationPropertyCollection _properties;
+
+        static HttpModuleActionCollection() {
+            // Property initialization
+            _properties = new ConfigurationPropertyCollection();
+        }
+
+        protected override ConfigurationPropertyCollection Properties {
+            get {
+                return _properties;
+            }
+        }
+
+        public HttpModuleActionCollection()
+            : base(StringComparer.OrdinalIgnoreCase) {
+        }
+
+
+        public HttpModuleAction this[int index] {
+            get {
+                return (HttpModuleAction)BaseGet(index);
+            }
+            set {
+                if (BaseGet(index) != null) {
+                    BaseRemoveAt(index);
+                }
+                BaseAdd(index, value);
+            }
+        }
+
+        public int IndexOf(HttpModuleAction action) {
+            return BaseIndexOf(action);
+        }
+
+        public void Add(HttpModuleAction httpModule) {
+            BaseAdd(httpModule);
+        }
+
+        public void Remove(HttpModuleAction action) {
+            BaseRemove(action.Key);
+        }
+
+        public void Remove(string name) {
+            BaseRemove(name);
+        }
+
+        public void RemoveAt(int index) {
+            BaseRemoveAt(index);
+        }
+        protected override ConfigurationElement CreateNewElement() {
+            return new HttpModuleAction();
+        }
+
+        protected override Object GetElementKey(ConfigurationElement element) {
+            return ((HttpModuleAction)element).Key;
+        }
+
+        protected override bool IsElementRemovable(ConfigurationElement element) {
+            HttpModuleAction module = (HttpModuleAction)element;
+            if (BaseIndexOf(module) == -1) // does it exist?
+            {
+                if (HttpModuleAction.IsSpecialModuleName(module.Name)) {
+                    throw new ConfigurationErrorsException(SR.GetString(SR.Special_module_cannot_be_removed_manually, module.Name),
+                                module.FileName, module.LineNumber);
+                }
+                else {
+                    throw new ConfigurationErrorsException(SR.GetString(SR.Module_not_in_app, module.Name),
+                                module.FileName, module.LineNumber);
+                }
+            }
+            return true;
+        }
+
+        public void Clear() {
+            BaseClear();
+        }
+    }
+}