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CloudBuilder/CloudBuilder.Core/Policy/YesNoPolicy.cs

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+
+using CloudBuilder.Core.DependencyInjection.Form;
+using CloudBuilder.Core.DependencyInjection.Request;
+using CloudBuilder.Core.Policy;
+using Microsoft.Extensions.DependencyInjection;
+
+namespace System
+{
+    public class YesNoPolicy : AbstractPolicy
+    {
+        public const string YES = "Y";
+        public const string NO = "N";
+
+        public static YesNoPolicy instance = null;
+
+        public YesNoPolicy(IContext context) : base(context)
+        {
+            this.values = new string[] { YES, NO };
+        }
+
+        public static YesNoPolicy GetInstance()
+        {
+            instance = ApplicationServiceContext.ServiceProvider.GetKeyedService<YesNoPolicy>(typeof(YesNoPolicy).Name);
+            return instance;
+        }
+
+        public static bool IsYes(string value)
+        {
+            return value == YES;
+        }
+
+        public static string IsChecked(string value)
+        {
+            if (value == YES) return "checked";
+            return null;
+        }
+    }
+}