server/util/EnumAttributeExtension.cs

@@ -0,0 +1,36 @@
+using System;
+
+/// <summary>
+/// Get custom attribute extension
+/// </summary>
+public static class EnumExtension
+{
+    /// <summary>
+    /// Check if enum has attribute type
+    /// Example usage  bool c = Biz.SockType.License.HasAttribute(typeof(Biz.AttachableAttribute));
+    ///
+    /// </summary>
+    /// <param name="value"></param>
+    /// <param name="t"></param>
+    /// <returns></returns>
+    public static bool HasAttribute(this Enum value, Type t)
+    {
+        var type = value.GetType();
+        var name = Enum.GetName(type, value);
+        if (name != null)
+        {
+            var field = type.GetField(name);
+            if (field != null)
+            {
+                var attr =
+                    Attribute.GetCustomAttribute(field, t);
+                if (attr != null)
+                {
+                    return true;
+                }
+            }
+        }
+
+        return false;
+    }
+}