Imported Upstream version 4.0.0~alpha1

Former-commit-id: 806294f5ded97629b74c85c09952f2a74fe182d9

external/referencesource/System.Web/UI/WebControls/CookieParameter.cs

@@ -0,0 +1,138 @@
+//------------------------------------------------------------------------------
+// <copyright file="CookieParameter.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>                                                                
+//------------------------------------------------------------------------------
+
+namespace System.Web.UI.WebControls {
+
+    using System;
+    using System.ComponentModel;
+    using System.Data;
+
+
+
+    /// <devdoc>
+    /// Represents a Parameter that gets its value from the application's request parameters.
+    /// </devdoc>
+    [
+    DefaultProperty("CookieName"),
+    ]
+    public class CookieParameter : Parameter {
+
+        /// <devdoc>
+        /// Creates an instance of the CookieParameter class.
+        /// </devdoc>
+        public CookieParameter() {
+        }
+
+
+        /// <devdoc>
+        /// Creates an instance of the CookieParameter class with the specified parameter name and request field.
+        /// </devdoc>
+        public CookieParameter(string name, string cookieName) : base(name) {
+            CookieName = cookieName;
+        }
+
+
+        /// <devdoc>
+        /// Creates an instance of the CookieParameter class with the specified parameter name, database type, and
+        /// request field.
+        /// </devdoc>
+        public CookieParameter(string name, DbType dbType, string cookieName)
+            : base(name, dbType) {
+            CookieName = cookieName;
+        }
+
+
+        /// <devdoc>
+        /// Creates an instance of the CookieParameter class with the specified parameter name, type, and request field.
+        /// </devdoc>
+        public CookieParameter(string name, TypeCode type, string cookieName) : base(name, type) {
+            CookieName = cookieName;
+        }
+
+
+        /// <devdoc>
+        /// Used to clone a parameter.
+        /// </devdoc>
+        protected CookieParameter(CookieParameter original) : base(original) {
+            CookieName = original.CookieName;
+            ValidateInput = original.ValidateInput;
+        }
+
+
+
+        /// <devdoc>
+        /// The name of the request parameter to get the value from.
+        /// </devdoc>
+        [
+        DefaultValue(""),
+        WebCategory("Parameter"),
+        WebSysDescription(SR.CookieParameter_CookieName),
+        ]
+        public string CookieName {
+            get {
+                object o = ViewState["CookieName"];
+                if (o == null)
+                    return String.Empty;
+                return (string)o;
+            }
+            set {
+                if (CookieName != value) {
+                    ViewState["CookieName"] = value;
+                    OnParameterChanged();
+                }
+            }
+        }
+
+
+        /// <devdoc>
+        /// Creates a new CookieParameter that is a copy of this CookieParameter.
+        /// </devdoc>
+        protected override Parameter Clone() {
+            return new CookieParameter(this);
+        }
+
+
+        /// <devdoc>
+        /// Returns the updated value of the parameter.
+        /// </devdoc>
+        protected internal override object Evaluate(HttpContext context, Control control) {
+            if (context == null || context.Request == null) {
+                return null;
+            }
+
+            HttpCookieCollection cookieCollection = ValidateInput ? context.Request.Cookies : context.Request.Unvalidated.Cookies;
+            HttpCookie cookie = cookieCollection[CookieName];
+            if (cookie == null) {
+                return null;
+            }
+            return cookie.Value;
+        }
+
+        /// <summary>
+        /// Determines whether the parameter's value is being validated or not.
+        /// </summary>
+        [
+        WebCategory("Behavior"),
+        WebSysDescription(SR.Parameter_ValidateInput),
+        DefaultValue(true)
+        ]
+        public bool ValidateInput {
+            get {
+                object o = ViewState["ValidateInput"];
+                if (o == null)
+                    return true;
+                return (bool)o;
+            }
+            set {
+                if (ValidateInput != value) {
+                    ViewState["ValidateInput"] = value;
+                    OnParameterChanged();
+                }
+            }
+        }
+    }
+}
+