Add capabilities constants file and common/utils file

src/Microsoft.OpenApi.OData.Reader/Capabilities/CapabilitiesConstants.cs

@@ -0,0 +1,88 @@
+// ------------------------------------------------------------
+//  Copyright (c) Microsoft Corporation.  All rights reserved.
+//  Licensed under the MIT License (MIT). See LICENSE in the repo root for license information.
+// ------------------------------------------------------------
+
+namespace Microsoft.OpenApi.OData.Capabilities
+{
+    /// <summary>
+    /// Constant values for Capabilities Vocabulary
+    /// </summary>
+    internal class CapabilitiesConstants
+    {
+        /// <summary>
+        /// The namespace of Capabilities annotation.
+        /// </summary>
+        public const string Namespace = "Org.OData.Capabilities.V1.";
+
+        /// <summary>
+        /// Org.OData.Capabilities.V1.ChangeTracking
+        /// </summary>
+        public const string ChangeTracking = Namespace + "ChangeTracking";
+
+        /// <summary>
+        /// Org.OData.Capabilities.V1.FilterRestrictions
+        /// </summary>
+        public const string FilterRestrictions = Namespace + "FilterRestrictions";
+
+        /// <summary>
+        /// Org.OData.Capabilities.V1.SortRestrictions
+        /// </summary>
+        public const string SortRestrictions = Namespace + "SortRestrictions";
+
+        /// <summary>
+        /// Org.OData.Capabilities.V1.NavigationRestrictions
+        /// </summary>
+        public const string NavigationRestrictions = Namespace + "NavigationRestrictions";
+
+        /// <summary>
+        /// Org.OData.Capabilities.V1.SearchRestrictions
+        /// </summary>
+        public const string SearchRestrictions = Namespace + "SearchRestrictions";
+
+        /// <summary>
+        /// Org.OData.Capabilities.V1.CountRestrictions
+        /// </summary>
+        public const string CountRestrictions = Namespace + "CountRestrictions";
+
+        /// <summary>
+        /// Org.OData.Capabilities.V1.ExpandRestrictions
+        /// </summary>
+        public const string ExpandRestrictions = Namespace + "ExpandRestrictions";
+
+        /// <summary>
+        /// Org.OData.Capabilities.V1.DeleteRestrictions
+        /// </summary>
+        public const string DeleteRestrictions = Namespace + "DeleteRestrictions";
+
+        /// <summary>
+        /// Org.OData.Capabilities.V1.DeleteRestrictions
+        /// </summary>
+        public const string UpdateRestrictions = Namespace + "UpdateRestrictions";
+
+        /// <summary>
+        /// Org.OData.Capabilities.V1.InsertRestrictions
+        /// </summary>
+        public const string InsertRestrictions = Namespace + "InsertRestrictions";
+
+        /// <summary>
+        /// Org.OData.Capabilities.V1.TopSupported
+        /// </summary>
+        public const string TopSupported = Namespace + "TopSupported";
+
+        /// <summary>
+        /// Org.OData.Capabilities.V1.SkipSupported
+        /// </summary>
+        public const string SkipSupported = Namespace + "SkipSupported";
+
+        /// <summary>
+        /// Org.OData.Capabilities.V1.BatchSupported
+        /// </summary>
+        public const string BatchSupported = Namespace + "BatchSupported";
+
+        /// <summary>
+        /// Org.OData.Capabilities.V1.IndexableByKey
+        /// </summary>
+        public const string IndexableByKey = Namespace + "IndexableByKey";
+    }
+}

src/Microsoft.OpenApi.OData.Reader/Common/Utils.cs

@@ -0,0 +1,32 @@
+// ------------------------------------------------------------
+//  Copyright (c) Microsoft Corporation.  All rights reserved.
+//  Licensed under the MIT License (MIT). See LICENSE in the repo root for license information.
+// ------------------------------------------------------------
+
+using System;
+
+namespace Microsoft.OpenApi.OData.Common
+{
+    /// <summary>
+    /// Utilities methods
+    /// </summary>
+    public static class Utils
+    {
+        /// <summary>
+        /// Check the input argument whether its value is null or not.
+        /// </summary>
+        /// <typeparam name="T">The input value type.</typeparam>
+        /// <param name="value">The input value</param>
+        /// <param name="parameterName">The input parameter name.</param>
+        /// <returns>The input value.</returns>
+        internal static T CheckArgumentNull<T>(T value, string parameterName) where T : class
+        {
+            if (null == value)
+            {
+                throw new ArgumentNullException(parameterName);
+            }
+
+            return value;
+        }
+    }
+}