Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Web/UI/WebControls/RoleGroup.cs

@@ -0,0 +1,96 @@
+//------------------------------------------------------------------------------
+// <copyright file="RoleGroup.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+//------------------------------------------------------------------------------
+
+namespace System.Web.UI.WebControls {
+
+    using System.ComponentModel;
+    using System.Security.Principal;
+    using System.Web.Security;
+
+
+    /// <devdoc>
+    /// Associates a collection of roles with a template.
+    /// </devdoc>
+    public sealed class RoleGroup {
+        private ITemplate _contentTemplate;
+        private string[] _roles;
+
+
+        /// <devdoc>
+        /// The template associated with the roles.
+        /// </devdoc>
+        [
+        Browsable(false),
+        DefaultValue(null),
+        PersistenceMode(PersistenceMode.InnerProperty),
+        TemplateContainer(typeof(LoginView)),
+        ]
+        public ITemplate ContentTemplate {
+            get {
+                return _contentTemplate;
+            }
+            set {
+                _contentTemplate = value;
+            }
+        }
+
+
+        /// <devdoc>
+        /// The roles associated with the template.
+        /// </devdoc>
+        [
+        TypeConverterAttribute(typeof(StringArrayConverter)),
+        ]
+        public string[] Roles {
+            get {
+                if (_roles == null) {
+                    return new string[0];
+                }
+                else {
+                    // Must clone to preserve encapsulation
+                    return (string[]) _roles.Clone();
+                }
+            }
+            set {
+                if (value == null) {
+                    _roles = value;
+                }
+                else {
+                    // Must clone to preserve encapsulation
+                    _roles = (string[]) value.Clone();
+                }
+            }
+        }
+
+
+        /// <devdoc>
+        /// Whether the user is in any of the roles.
+        /// </devdoc>
+        public bool ContainsUser(IPrincipal user) {
+            if (user == null) {
+                throw new ArgumentNullException("user");
+            }
+            if (_roles == null) {
+                return false;
+            }
+            foreach (string role in _roles) {
+                if (user.IsInRole(role)) {
+                    return true;
+                }
+            }
+            return false;
+        }
+
+
+        /// <devdoc>
+        /// For appearance in designer collection editor.
+        /// </devdoc>
+        public override string ToString() {
+            StringArrayConverter converter = new StringArrayConverter();
+            return converter.ConvertToString(Roles);
+        }
+    }
+}