try to refactor Kafka and add supports for RabbitMQ ...

Extensions/XEventServiceExtensions.cs

@@ -1,7 +1,9 @@
+using System.Linq;
 using xCommons.Extensions;
 using xEventService.Configuration;
 using xEventService.Constants;
 using xEventService.Models;
+using xExceptions.Constants;
 
 namespace xEventService.Extensions
 {
@@ -44,6 +46,37 @@ namespace xEventService.Extensions
             return result;
         }
 
+        /// <summary>
+        /// Validate RabbitMQ Exchange Type ...
+        /// </summary>
+        /// <param name="source"></param>
+        /// <returns></returns>
+        public static bool IsValid(this XRabbitMQExchangeType source)
+        {
+            //
+            var result = source != XRabbitMQExchangeType.None;
+
+            //
+            return result;
+        }
+
+        /// <summary>
+        /// Validate RabbitMQ Configuration ...
+        /// </summary>
+        /// <param name="source"></param>
+        /// <returns></returns>
+        public static bool IsValid(this XRabbitMQOptions source)
+        {
+            //
+            var result =
+                !source.IsNullOrDefault() &&
+                !source.Exchange.IsNullOrEmpty() &&
+                !source.ExchangeType.IsValid();
+
+            //
+            return result;
+        }
+
         /// <summary>
         /// Validate an Event Message ...
         /// </summary>
@@ -77,5 +110,110 @@ namespace xEventService.Extensions
             //
             return result;
         }
+        
+        /// <summary>
+        /// Validate an Array is Wildcard passed or not ...
+        /// </summary>
+        /// <param name="source"></param>
+        /// <returns></returns>
+        public static bool IsAllowedWildcard(this string[] source)
+        {
+            //
+            var result =
+                source is not null &&
+                source.Length == 1 &&
+                source.Any(s => 
+                    s == XEventServiceConstants.XWildcard);
+            
+            //
+            return result;
+        }
+
+        /// <summary>
+        /// Validate a Collection is Valid for Kafka Consumer ...
+        /// </summary>
+        /// <param name="source"></param>
+        /// <returns></returns>
+        public static bool IsAllowedCollection(
+            this string[] source
+        )
+        {
+            //
+            var result = source.HasChild();
+
+            //
+            return result;
+        }
+
+        /// <summary>
+        /// Parse Url and Extract Host address ...
+        /// </summary>
+        /// <param name="source"></param>
+        /// <returns></returns>
+        public static string GetRabbitMQHost(this XEventServiceConfiguration source)
+        {
+            //
+            var result = string.Empty;
+
+            //
+            if (!source.IsValid())
+            {
+                XException.InvalidConfiguration.Throw();
+            }
+
+            //
+            var parts = source.Url.Split(':');
+            if (parts.Length != 2)
+            {
+                XException.InvalidConfiguration.Throw();
+            }
+
+            //
+            result = parts[0];
+            if (result.IsNullOrEmpty() ||
+                !result.IsValidUrl()
+            )
+            {
+                XException.InvalidConfiguration.Throw();
+            }
+
+            //
+            return result;
+        }
+
+        /// <summary>
+        /// Parse Url and Extract Port Number ...
+        /// </summary>
+        /// <param name="source"></param>
+        /// <returns></returns>
+        public static int GetRabbitMQPort(this XEventServiceConfiguration source)
+        {
+            //
+            int result = -1;
+
+            //
+            if (!source.IsValid())
+            {
+                XException.InvalidConfiguration.Throw();
+            }
+
+            //
+            var parts = source.Url.Split(':');
+            if (parts.Length != 2)
+            {
+                XException.InvalidConfiguration.Throw();
+            }
+
+            //
+            // Try Parse Port as Integer ...
+            int.TryParse(parts[1], out result);
+            if (result <= 0)
+            {
+                XException.InvalidConfiguration.Throw();
+            }
+
+            //
+            return result;
+        }
     }
 }