created a generic Validators class for ValidateNotNull logic

Author: selfmadecode

src/SafeCrypt.Lib/Helpers/Validators.cs

@@ -4,83 +4,7 @@
 namespace SafeCrypt.Helpers
 {
     internal static class Validators
-    {
-        /// <summary>
-        /// Validates that the specified ByteEncryptionParameters instance is not null
-        /// and that its required properties (Data, SecretKey, IV) are not null.
-        /// </summary>
-        /// <param name="parameters">The ByteEncryptionParameters instance to validate.</param>
-        /// <exception cref="ArgumentNullException">
-        /// Thrown if the specified parameters instance is null or if any of its required properties are null.
-        /// </exception>
-        internal static void ValidateNotNull(EncryptionParameters parameters)
-        {
-            if (parameters == null)
-            {
-                throw new ArgumentNullException(nameof(parameters), "ByteEncryptionParameters instance cannot be null.");
-            }
-
-            if (parameters.DataToEncrypt == null)
-            {
-                throw new ArgumentNullException(nameof(parameters.DataToEncrypt), "DataToEncrypt property cannot be null.");
-            }
-
-            if (parameters.SecretKey == null)
-            {
-                throw new ArgumentNullException(nameof(parameters.SecretKey), "SecretKey property cannot be null.");
-            }
-
-            if (parameters.IV == null)
-            {
-                throw new ArgumentNullException(nameof(parameters.IV), "IV property cannot be null.");
-            }
-        }
-        internal static void ValidateNotNull(DecryptionParameters parameters)
-        {
-            if (parameters == null)
-            {
-                throw new ArgumentNullException(nameof(parameters), "ByteEncryptionParameters instance cannot be null.");
-            }
-
-            if (parameters.DataToDecrypt == null)
-            {
-                throw new ArgumentNullException(nameof(parameters.DataToDecrypt), "DataToDecrypt property cannot be null.");
-            }
-
-            if (parameters.SecretKey == null)
-            {
-                throw new ArgumentNullException(nameof(parameters.SecretKey), "SecretKey property cannot be null.");
-            }
-
-            if (parameters.IV == null)
-            {
-                throw new ArgumentNullException(nameof(parameters.IV), "IV property cannot be null.");
-            }
-        }
-
-        internal static void ValidateNotNull(StringEncryptionParameters parameters)
-        {
-            if (parameters == null)
-            {
-                throw new ArgumentNullException(nameof(parameters), "StringEncryptionParameters instance cannot be null.");
-            }
-
-            if (parameters.Data == null)
-            {
-                throw new ArgumentNullException(nameof(parameters.Data), "Data property cannot be null.");
-            }
-
-            if (parameters.SecretKey == null)
-            {
-                throw new ArgumentNullException(nameof(parameters.SecretKey), "SecretKey property cannot be null.");
-            }
-
-            if (parameters.IV == null)
-            {
-                throw new ArgumentNullException(nameof(parameters.IV), "IV property cannot be null.");
-            }
-        }
-
+    {      
         /// <summary>
         /// Validates whether the provided string is a valid Base64-encoded key.
         /// </summary>
@@ -128,4 +52,38 @@ private static bool IsValidByteArray(byte[] byteArray)
             return byteArray != null && byteArray.Length > 0;
         }
     }
+
+    internal static class Validator<TParameters> where TParameters : BaseAesEncryptionParameters
+    {
+        /// <summary>
+        /// Validates that the specified ByteEncryptionParameters instance is not null
+        /// and that its required properties (Data, SecretKey, IV) are not null.
+        /// </summary>
+        /// <param name="parameters">The ByteEncryptionParameters instance to validate.</param>
+        /// <exception cref="ArgumentNullException">
+        /// Thrown if the specified parameters instance is null or if any of its required properties are null.
+        /// </exception>
+        internal static void ValidateNotNull(TParameters parameters)
+        {
+            if (parameters == null)
+            {
+                throw new ArgumentNullException(nameof(parameters), $"{typeof(TParameters).Name} instance cannot be null.");
+            }
+
+            if (parameters.Data == null)
+            {
+                throw new ArgumentNullException(nameof(parameters.Data), "Data property cannot be null.");
+            }
+
+            if (parameters.SecretKey == null)
+            {
+                throw new ArgumentNullException(nameof(parameters.SecretKey), "SecretKey property cannot be null.");
+            }
+
+            if (parameters.IV == null)
+            {
+                throw new ArgumentNullException(nameof(parameters.IV), "IV property cannot be null.");
+            }
+        }
+    }
 }