1 files changed, 26 insertions, 0 deletions
diff --git a/MediaBrowser.Model/Dlna/Filter.cs b/MediaBrowser.Model/Dlna/Filter.cs
new file mode 100644
index 000000000..6655e84c2
--- /dev/null
+++ b/MediaBrowser.Model/Dlna/Filter.cs
@@ -0,0 +1,26 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace MediaBrowser.Model.Dlna
+{
+    public class Filter
+    {
+        private readonly List<string> _fields;
+        private readonly bool _all;
+
+        public Filter(string filter)
+        {
+            _all = string.Equals(filter, "*", StringComparison.OrdinalIgnoreCase);
+
+            _fields = (filter ?? string.Empty)
+                .Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries)
+                .ToList();
+        }
+
+        public bool Contains(string field)
+        {
+            return _all || _fields.Contains(field, StringComparer.OrdinalIgnoreCase);
+        }
+    }
+}