From 016be02cd68aa0a09270d93b8df782d012f8a478 Mon Sep 17 00:00:00 2001
From: Bond_009 <bond.009@outlook.com>
Date: Wed, 25 Sep 2019 13:24:39 +0200
Subject: More warning fixes

---
 .../Serialization/MyXmlSerializer.cs               | 104 +++++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 Emby.Server.Implementations/Serialization/MyXmlSerializer.cs

(limited to 'Emby.Server.Implementations/Serialization/MyXmlSerializer.cs')

diff --git a/Emby.Server.Implementations/Serialization/MyXmlSerializer.cs b/Emby.Server.Implementations/Serialization/MyXmlSerializer.cs
new file mode 100644
index 000000000..296822981
--- /dev/null
+++ b/Emby.Server.Implementations/Serialization/MyXmlSerializer.cs
@@ -0,0 +1,104 @@
+using System;
+using System.Collections.Concurrent;
+using System.IO;
+using System.Xml;
+using System.Xml.Serialization;
+using MediaBrowser.Model.Serialization;
+
+namespace Emby.Server.Implementations.Serialization
+{
+    /// <summary>
+    /// Provides a wrapper around third party xml serialization.
+    /// </summary>
+    public class MyXmlSerializer : IXmlSerializer
+    {
+        // Need to cache these
+        // http://dotnetcodebox.blogspot.com/2013/01/xmlserializer-class-may-result-in.html
+        private static readonly ConcurrentDictionary<string, XmlSerializer> _serializers =
+            new ConcurrentDictionary<string, XmlSerializer>();
+
+        private static XmlSerializer GetSerializer(Type type)
+            => _serializers.GetOrAdd(type.FullName, _ => new XmlSerializer(type));
+
+        /// <summary>
+        /// Serializes to writer.
+        /// </summary>
+        /// <param name="obj">The obj.</param>
+        /// <param name="writer">The writer.</param>
+        private void SerializeToWriter(object obj, XmlWriter writer)
+        {
+            var netSerializer = GetSerializer(obj.GetType());
+            netSerializer.Serialize(writer, obj);
+        }
+
+        /// <summary>
+        /// Deserializes from stream.
+        /// </summary>
+        /// <param name="type">The type.</param>
+        /// <param name="stream">The stream.</param>
+        /// <returns>System.Object.</returns>
+        public object DeserializeFromStream(Type type, Stream stream)
+        {
+            using (var reader = XmlReader.Create(stream))
+            {
+                var netSerializer = GetSerializer(type);
+                return netSerializer.Deserialize(reader);
+            }
+        }
+
+        /// <summary>
+        /// Serializes to stream.
+        /// </summary>
+        /// <param name="obj">The obj.</param>
+        /// <param name="stream">The stream.</param>
+        public void SerializeToStream(object obj, Stream stream)
+        {
+            using (var writer = new XmlTextWriter(stream, null))
+            {
+                writer.Formatting = Formatting.Indented;
+                SerializeToWriter(obj, writer);
+            }
+        }
+
+        /// <summary>
+        /// Serializes to file.
+        /// </summary>
+        /// <param name="obj">The obj.</param>
+        /// <param name="file">The file.</param>
+        public void SerializeToFile(object obj, string file)
+        {
+            using (var stream = new FileStream(file, FileMode.Create))
+            {
+                SerializeToStream(obj, stream);
+            }
+        }
+
+        /// <summary>
+        /// Deserializes from file.
+        /// </summary>
+        /// <param name="type">The type.</param>
+        /// <param name="file">The file.</param>
+        /// <returns>System.Object.</returns>
+        public object DeserializeFromFile(Type type, string file)
+        {
+            using (var stream = File.OpenRead(file))
+            {
+                return DeserializeFromStream(type, stream);
+            }
+        }
+
+        /// <summary>
+        /// Deserializes from bytes.
+        /// </summary>
+        /// <param name="type">The type.</param>
+        /// <param name="buffer">The buffer.</param>
+        /// <returns>System.Object.</returns>
+        public object DeserializeFromBytes(Type type, byte[] buffer)
+        {
+            using (var stream = new MemoryStream(buffer))
+            {
+                return DeserializeFromStream(type, stream);
+            }
+        }
+    }
+}
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