Convert public methods to extension methods

Author: Jericho

Source/HttpMultipartParser/Extensions.cs

@@ -0,0 +1,50 @@
+using System.Collections.Generic;
+using System.Linq;
+
+namespace HttpMultipartParser
+{
+    /// <summary>
+    /// Class containing various extension methods.
+    /// </summary>
+    public static class Extensions
+    {
+        /// <summary>
+        /// Returns true if the parameter has any values. False otherwise.
+        /// </summary>
+        /// <param name="parser">The multipart form parser.</param>
+        /// <param name="name">The name of the parameter.</param>
+        /// <returns>True if the parameter exists. False otherwise.</returns>
+        public static bool HasParameter(this IMultipartFormDataParser parser, string name)
+        {
+            return parser.Parameters.Any(p => p.Name == name);
+        }
+
+        /// <summary>
+        /// Returns the value of a parameter or null if it doesn't exist.
+        ///
+        /// You should only use this method if you're sure the parameter has only one value.
+        ///
+        /// If you need to support multiple values use GetParameterValues.
+        /// </summary>
+        /// <param name="parser">The multipart form parser.</param>
+        /// <param name="name">The name of the parameter.</param>
+        /// <returns>The value of the parameter.</returns>
+        public static string GetParameterValue(this IMultipartFormDataParser parser, string name)
+        {
+            return parser.GetParameterValues(name).FirstOrDefault();
+        }
+
+        /// <summary>
+        /// Returns the values of a parameter or an empty enumerable if the parameter doesn't exist.
+        /// </summary>
+        /// <param name="parser">The multipart form parser.</param>
+        /// <param name="name">The name of the parameter.</param>
+        /// <returns>The values of the parameter.</returns>
+        public static IEnumerable<string> GetParameterValues(this IMultipartFormDataParser parser, string name)
+        {
+            return parser.Parameters
+                .Where(p => p.Name == name)
+                .Select(p => p.Data);
+        }
+    }
+}

Source/HttpMultipartParser/MultipartFormDataParser.cs

@@ -244,47 +244,6 @@ public static async Task<MultipartFormDataParser> ParseAsync(Stream stream, stri
 
         #endregion
 
-        #region Public Methods
-
-        /// <summary>
-        /// Returns true if the parameter has any values. False otherwise.
-        /// </summary>
-        /// <param name="name">The name of the parameter.</param>
-        /// <returns>True if the parameter exists. False otherwise.</returns>
-        public bool HasParameter(string name)
-        {
-            return Parameters.Any(p => p.Name == name);
-        }
-
-        /// <summary>
-        /// Returns the value of a parameter or null if it doesn't exist.
-        ///
-        /// You should only use this method if you're sure the parameter has only one value.
-        ///
-        /// If you need to support multiple values use GetParameterValues.
-        /// </summary>
-        /// <param name="name">The name of the parameter.</param>
-        /// <returns>The value of the parameter.</returns>
-        public string GetParameterValue(string name)
-        {
-            var parameter = Parameters.FirstOrDefault(p => p.Name == name);
-            return parameter?.Data;
-        }
-
-        /// <summary>
-        /// Returns the values of a parameter or an empty enumerable if the parameter doesn't exist.
-        /// </summary>
-        /// <param name="name">The name of the parameter.</param>
-        /// <returns>The values of the parameter.</returns>
-        public IEnumerable<string> GetParameterValues(string name)
-        {
-            return Parameters
-                .Where(p => p.Name == name)
-                .Select(p => p.Data);
-        }
-
-        #endregion
-
         #region Private Methods
 
         /// <summary>