初始化

Aliyun.Api.LogService/Utils/CommonExtensions.cs

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+//
+// CommonExtensions.cs
+//
+// Author:
+//       MiNG <developer@ming.gz.cn>
+//
+// Copyright (c) 2018 Alibaba Cloud
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+using System;
+using System.Collections.Generic;
+using System.Collections.Specialized;
+using System.Linq;
+
+namespace Aliyun.Api.LogService.Utils
+{
+    internal static class CommonExtensions
+    {
+        internal static Boolean IsEmpty(this String source)
+        {
+            return String.IsNullOrEmpty(source);
+        }
+
+        internal static Boolean IsNotEmpty(this String source)
+        {
+            return !String.IsNullOrEmpty(source);
+        }
+
+        internal static Boolean IsEmpty<T>(this T[] source)
+        {
+            return source == null || source.Length == 0;
+        }
+
+        internal static Boolean IsNotEmpty<T>(this T[] source)
+        {
+            return source != null && source.Length != 0;
+        }
+
+        internal static Boolean IsEmpty<T>(this IEnumerable<T> source)
+        {
+            return source == null || !source.Any();
+        }
+
+        internal static Boolean IsNotEmpty<T>(this IEnumerable<T> source)
+        {
+            return source != null && source.Any();
+        }
+
+        internal static IEnumerable<KeyValuePair<String, String>> ToEnumerable(this NameValueCollection source)
+        {
+            return source.AllKeys
+                .SelectMany(key => source.GetValues(key), (key, value) => new KeyValuePair<String, String>(key, value));
+        }
+
+        /// <summary>
+        /// Freeze the IEnumerable to avoid re-evaluating on <paramref name="source"/>.
+        /// </summary>
+        /// <param name="source">The source to freeze.</param>
+        /// <typeparam name="T">The item type in source.</typeparam>
+        /// <returns>If source has already frozen, return itself; otherwize <see cref="Enumerable.ToArray{TSource}"/> will be applied.</returns>
+        internal static IEnumerable<T> Freeze<T>(this IEnumerable<T> source)
+        {
+            switch (source)
+            {
+                case null:
+                case Array _:
+                case ICollection<T> _:
+                case IReadOnlyCollection<T> _:
+                {
+                    return source;
+                }
+
+                default:
+                {
+                    return source.ToArray();
+                }
+            }
+        }
+
+        internal static TValue GetValueOrDefault<TKey, TValue>(this IDictionary<TKey, TValue> source, TKey key)
+        {
+            if (source == null)
+            {
+                return default;
+            }
+
+            return source.TryGetValue(key, out var value) ? value : default;
+        }
+    }
+}

Aliyun.Api.LogService/Utils/Constants.cs

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+//
+// Constants.cs
+//
+// Author:
+//       MiNG <developer@ming.gz.cn>
+//
+// Copyright (c) 2018 Alibaba Cloud
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+using System;
+using System.Reflection;
+
+namespace Aliyun.Api.LogService.Utils
+{
+    internal static class Constants
+    {
+        internal static String AssemblyVersion { get; } = Assembly.GetExecutingAssembly().GetName().Version.ToString();
+    }
+}

Aliyun.Api.LogService/Utils/Ensure.cs

@@ -0,0 +1,66 @@
+//
+// Ensure.cs
+//
+// Author:
+//       MiNG <developer@ming.gz.cn>
+//
+// Copyright (c) 2018 Alibaba Cloud
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+using System;
+using System.Collections.Generic;
+
+namespace Aliyun.Api.LogService.Utils
+{
+    internal static class Ensure
+    {
+        internal static void NotNull(Object source, String name)
+        {
+            if (source == null)
+            {
+                throw new ArgumentNullException(name);
+            }
+        }
+
+        internal static void NotEmpty(String source, String name)
+        {
+            if (source.IsEmpty())
+            {
+                throw new ArgumentException(name, "Argument cannot be empty string.");
+            }
+        }
+
+        internal static void NotEmpty<T>(T[] source, String name)
+        {
+            if (source.IsEmpty())
+            {
+                throw new ArgumentException(name, "Argument cannot be empty array.");
+            }
+        }
+
+        internal static void NotEmpty<T>(ICollection<T> source, String name)
+        {
+            if (source.IsEmpty())
+            {
+                throw new ArgumentException(name, "Argument cannot be empty collection.");
+            }
+        }
+    }
+}