update portable components

Emby.Common.Implementations/Serialization/JsonSerializer.cs

@@ -0,0 +1,227 @@
+using System;
+using System.IO;
+using MediaBrowser.Model.IO;
+using MediaBrowser.Model.Logging;
+using MediaBrowser.Model.Serialization;
+
+namespace Emby.Common.Implementations.Serialization
+{
+    /// <summary>
+    /// Provides a wrapper around third party json serialization.
+    /// </summary>
+    public class JsonSerializer : IJsonSerializer
+    {
+        private readonly IFileSystem _fileSystem;
+        private readonly ILogger _logger;
+
+        public JsonSerializer(IFileSystem fileSystem, ILogger logger)
+        {
+            _fileSystem = fileSystem;
+            _logger = logger;
+            Configure();
+        }
+
+        /// <summary>
+        /// Serializes to stream.
+        /// </summary>
+        /// <param name="obj">The obj.</param>
+        /// <param name="stream">The stream.</param>
+        /// <exception cref="System.ArgumentNullException">obj</exception>
+        public void SerializeToStream(object obj, Stream stream)
+        {
+            if (obj == null)
+            {
+                throw new ArgumentNullException("obj");
+            }
+
+            if (stream == null)
+            {
+                throw new ArgumentNullException("stream");
+            }
+
+            ServiceStack.Text.JsonSerializer.SerializeToStream(obj, obj.GetType(), stream);
+        }
+
+        /// <summary>
+        /// Serializes to file.
+        /// </summary>
+        /// <param name="obj">The obj.</param>
+        /// <param name="file">The file.</param>
+        /// <exception cref="System.ArgumentNullException">obj</exception>
+        public void SerializeToFile(object obj, string file)
+        {
+            if (obj == null)
+            {
+                throw new ArgumentNullException("obj");
+            }
+
+            if (string.IsNullOrEmpty(file))
+            {
+                throw new ArgumentNullException("file");
+            }
+
+			using (Stream stream = _fileSystem.GetFileStream(file, FileOpenMode.Create, FileAccessMode.Write, FileShareMode.Read))
+            {
+                SerializeToStream(obj, stream);
+            }
+        }
+
+        private Stream OpenFile(string path)
+        {
+            _logger.Debug("Deserializing file {0}", path);
+            return new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read, 131072);
+        }
+
+        /// <summary>
+        /// Deserializes from file.
+        /// </summary>
+        /// <param name="type">The type.</param>
+        /// <param name="file">The file.</param>
+        /// <returns>System.Object.</returns>
+        /// <exception cref="System.ArgumentNullException">type</exception>
+        public object DeserializeFromFile(Type type, string file)
+        {
+            if (type == null)
+            {
+                throw new ArgumentNullException("type");
+            }
+
+            if (string.IsNullOrEmpty(file))
+            {
+                throw new ArgumentNullException("file");
+            }
+
+            using (Stream stream = OpenFile(file))
+            {
+                return DeserializeFromStream(stream, type);
+            }
+        }
+
+        /// <summary>
+        /// Deserializes from file.
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="file">The file.</param>
+        /// <returns>``0.</returns>
+        /// <exception cref="System.ArgumentNullException">file</exception>
+        public T DeserializeFromFile<T>(string file)
+            where T : class
+        {
+            if (string.IsNullOrEmpty(file))
+            {
+                throw new ArgumentNullException("file");
+            }
+
+            using (Stream stream = OpenFile(file))
+            {
+                return DeserializeFromStream<T>(stream);
+            }
+        }
+
+        /// <summary>
+        /// Deserializes from stream.
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="stream">The stream.</param>
+        /// <returns>``0.</returns>
+        /// <exception cref="System.ArgumentNullException">stream</exception>
+        public T DeserializeFromStream<T>(Stream stream)
+        {
+            if (stream == null)
+            {
+                throw new ArgumentNullException("stream");
+            }
+
+            return ServiceStack.Text.JsonSerializer.DeserializeFromStream<T>(stream);
+        }
+
+        /// <summary>
+        /// Deserializes from string.
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="text">The text.</param>
+        /// <returns>``0.</returns>
+        /// <exception cref="System.ArgumentNullException">text</exception>
+        public T DeserializeFromString<T>(string text)
+        {
+            if (string.IsNullOrEmpty(text))
+            {
+                throw new ArgumentNullException("text");
+            }
+
+            return ServiceStack.Text.JsonSerializer.DeserializeFromString<T>(text);
+        }
+
+        /// <summary>
+        /// Deserializes from stream.
+        /// </summary>
+        /// <param name="stream">The stream.</param>
+        /// <param name="type">The type.</param>
+        /// <returns>System.Object.</returns>
+        /// <exception cref="System.ArgumentNullException">stream</exception>
+        public object DeserializeFromStream(Stream stream, Type type)
+        {
+            if (stream == null)
+            {
+                throw new ArgumentNullException("stream");
+            }
+
+            if (type == null)
+            {
+                throw new ArgumentNullException("type");
+            }
+
+            return ServiceStack.Text.JsonSerializer.DeserializeFromStream(type, stream);
+        }
+
+        /// <summary>
+        /// Configures this instance.
+        /// </summary>
+        private void Configure()
+        {
+            ServiceStack.Text.JsConfig.DateHandler = ServiceStack.Text.DateHandler.ISO8601;
+            ServiceStack.Text.JsConfig.ExcludeTypeInfo = true;
+            ServiceStack.Text.JsConfig.IncludeNullValues = false;
+            ServiceStack.Text.JsConfig.AlwaysUseUtc = true;
+            ServiceStack.Text.JsConfig.AssumeUtc = true;
+        }
+
+        /// <summary>
+        /// Deserializes from string.
+        /// </summary>
+        /// <param name="json">The json.</param>
+        /// <param name="type">The type.</param>
+        /// <returns>System.Object.</returns>
+        /// <exception cref="System.ArgumentNullException">json</exception>
+        public object DeserializeFromString(string json, Type type)
+        {
+            if (string.IsNullOrEmpty(json))
+            {
+                throw new ArgumentNullException("json");
+            }
+
+            if (type == null)
+            {
+                throw new ArgumentNullException("type");
+            }
+
+            return ServiceStack.Text.JsonSerializer.DeserializeFromString(json, type);
+        }
+
+        /// <summary>
+        /// Serializes to string.
+        /// </summary>
+        /// <param name="obj">The obj.</param>
+        /// <returns>System.String.</returns>
+        /// <exception cref="System.ArgumentNullException">obj</exception>
+        public string SerializeToString(object obj)
+        {
+            if (obj == null)
+            {
+                throw new ArgumentNullException("obj");
+            }
+
+            return ServiceStack.Text.JsonSerializer.SerializeToString(obj, obj.GetType());
+        }
+    }
+}