Implement PatternAsFile for StringMatcher (#651)

src/WireMock.Net/Extensions/AnyOfExtensions.cs

@@ -0,0 +1,25 @@
+using System.Collections.Generic;
+using System.Linq;
+using AnyOfTypes;
+using WireMock.Models;
+
+namespace WireMock.Extensions
+{
+    internal static class AnyOfExtensions
+    {
+        public static string GetPattern(this AnyOf<string, StringPattern> value)
+        {
+            return value.IsFirst ? value.First : value.Second.Pattern;
+        }
+
+        public static AnyOf<string, StringPattern>[] ToAnyOfPatterns(this IEnumerable<string> patterns)
+        {
+            return patterns.Select(p => p.ToAnyOfPattern()).ToArray();
+        }
+
+        public static AnyOf<string, StringPattern> ToAnyOfPattern(this string pattern)
+        {
+            return new AnyOf<string, StringPattern>(pattern);
+        }
+    }
+}