Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

external/referencesource/System.Web/Configuration/HttpHandlersSection.cs

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+//------------------------------------------------------------------------------
+// <copyright file="HttpHandlersSection.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.Util;
+    using System.Web.Compilation;
+    using System.Globalization;
+    using System.Security.Permissions;
+
+    public sealed class HttpHandlersSection : ConfigurationSection {
+        private static ConfigurationPropertyCollection _properties;
+        private static readonly ConfigurationProperty _propHandlers =
+            new ConfigurationProperty(null, typeof(HttpHandlerActionCollection), null, ConfigurationPropertyOptions.IsDefaultCollection);
+
+        private bool _validated;
+
+        static HttpHandlersSection() {
+            // Property initialization
+            _properties = new ConfigurationPropertyCollection();
+            _properties.Add(_propHandlers);
+        }
+
+        public HttpHandlersSection() {
+        }
+
+        protected override ConfigurationPropertyCollection Properties {
+            get {
+                return _properties;
+            }
+        }
+
+        [ConfigurationProperty("", IsDefaultCollection = true)]
+        public HttpHandlerActionCollection Handlers {
+            get {
+                return (HttpHandlerActionCollection)base[_propHandlers];
+            }
+        }
+
+        internal bool ValidateHandlers() {
+            if (!_validated) {
+                lock (this) {
+                    if (!_validated) {
+                        foreach (HttpHandlerAction ha in Handlers) {
+                            ha.InitValidateInternal();
+                        }
+
+                        _validated = true;
+                    }
+                }
+            }
+
+            return _validated;
+        }
+
+        internal HttpHandlerAction FindMapping(String verb, VirtualPath path) {
+            ValidateHandlers();
+
+            for (int i = 0; i < Handlers.Count; i++) {
+                HttpHandlerAction m = (HttpHandlerAction)Handlers[i];
+
+                if (m.IsMatch(verb, path)) {
+                    return m;
+                }
+            }
+
+            return null;
+        }
+    }
+}
+