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//
// https://github.com/ServiceStack/ServiceStack.Text
// ServiceStack.Text: .NET C# POCO JSON, JSV and CSV Text Serializers.
//
// Authors:
// Demis Bellot (demis.bellot@gmail.com)
//
// Copyright 2012 ServiceStack Ltd.
//
// Licensed under the same terms of ServiceStack: new BSD license.
//
using System;
using System.Globalization;
using System.IO;
using System.Text;
using ServiceStack.Text.Common;
using ServiceStack.Text.Json;
namespace ServiceStack.Text
{
/// <summary>
/// Creates an instance of a Type from a string value
/// </summary>
public static class JsonSerializer
{
private static readonly UTF8Encoding UTF8EncodingWithoutBom = new UTF8Encoding(false);
public static T DeserializeFromString<T>(string value)
{
if (string.IsNullOrEmpty(value)) return default(T);
return (T)JsonReader<T>.Parse(value);
}
public static T DeserializeFromReader<T>(TextReader reader)
{
return DeserializeFromString<T>(reader.ReadToEnd());
}
public static object DeserializeFromString(string value, Type type)
{
return string.IsNullOrEmpty(value)
? null
: JsonReader.GetParseFn(type)(value);
}
public static object DeserializeFromReader(TextReader reader, Type type)
{
return DeserializeFromString(reader.ReadToEnd(), type);
}
public static string SerializeToString<T>(T value)
{
if (value == null) return null;
if (typeof(T) == typeof(object) || typeof(T).IsAbstract || typeof(T).IsInterface)
{
if (typeof(T).IsAbstract || typeof(T).IsInterface) JsState.IsWritingDynamic = true;
var result = SerializeToString(value, value.GetType());
if (typeof(T).IsAbstract || typeof(T).IsInterface) JsState.IsWritingDynamic = false;
return result;
}
var sb = new StringBuilder();
using (var writer = new StringWriter(sb, CultureInfo.InvariantCulture))
{
if (typeof(T) == typeof(string))
{
JsonUtils.WriteString(writer, value as string);
}
else
{
JsonWriter<T>.WriteObject(writer, value);
}
}
return sb.ToString();
}
public static string SerializeToString(object value, Type type)
{
if (value == null) return null;
var sb = new StringBuilder();
using (var writer = new StringWriter(sb, CultureInfo.InvariantCulture))
{
if (type == typeof(string))
{
JsonUtils.WriteString(writer, value as string);
}
else
{
JsonWriter.GetWriteFn(type)(writer, value);
}
}
return sb.ToString();
}
public static void SerializeToWriter<T>(T value, TextWriter writer)
{
if (value == null) return;
if (typeof(T) == typeof(string))
{
writer.Write(value);
return;
}
if (typeof(T) == typeof(object) || typeof(T).IsAbstract || typeof(T).IsInterface)
{
if (typeof(T).IsAbstract || typeof(T).IsInterface) JsState.IsWritingDynamic = true;
SerializeToWriter(value, value.GetType(), writer);
if (typeof(T).IsAbstract || typeof(T).IsInterface) JsState.IsWritingDynamic = false;
return;
}
JsonWriter<T>.WriteObject(writer, value);
}
public static void SerializeToWriter(object value, Type type, TextWriter writer)
{
if (value == null) return;
if (type == typeof(string))
{
writer.Write(value);
return;
}
JsonWriter.GetWriteFn(type)(writer, value);
}
public static void SerializeToStream<T>(T value, Stream stream)
{
if (value == null) return;
if (typeof(T) == typeof(object) || typeof(T).IsAbstract || typeof(T).IsInterface)
{
if (typeof(T).IsAbstract || typeof(T).IsInterface) JsState.IsWritingDynamic = true;
SerializeToStream(value, value.GetType(), stream);
if (typeof(T).IsAbstract || typeof(T).IsInterface) JsState.IsWritingDynamic = false;
return;
}
var writer = new StreamWriter(stream, UTF8EncodingWithoutBom);
JsonWriter<T>.WriteObject(writer, value);
writer.Flush();
}
public static void SerializeToStream(object value, Type type, Stream stream)
{
var writer = new StreamWriter(stream, UTF8EncodingWithoutBom);
JsonWriter.GetWriteFn(type)(writer, value);
writer.Flush();
}
public static T DeserializeFromStream<T>(Stream stream)
{
using (var reader = new StreamReader(stream, UTF8EncodingWithoutBom))
{
return DeserializeFromString<T>(reader.ReadToEnd());
}
}
public static object DeserializeFromStream(Type type, Stream stream)
{
using (var reader = new StreamReader(stream, UTF8EncodingWithoutBom))
{
return DeserializeFromString(reader.ReadToEnd(), type);
}
}
}
}