code.grnet.gr Git - pithos-ms-client/blob - trunk/hammock/src/net35/Hammock.Tests/Postmark/Converters/UnicodeJsonStringConverter.cs

   1 using System;
   2 using System.Text;
   3 using Newtonsoft.Json;
   4
   5 namespace Hammock.Tests.Converters
   6 {
   7     internal class UnicodeJsonStringConverter : JsonConverter
   8     {
   9         public override void WriteJson(JsonWriter writer, object value, JsonSerializer serializer)
  10         {
  11             var buffer = new StringBuilder();
  12             buffer.Append("\"");
  13             var stringValue = (string)value;
  14             foreach (var c in stringValue)
  15             {
  16                 var code = (int)c;
  17                 switch (c)
  18                 {
  19                     case '\"':
  20                         buffer.Append("\\\"");
  21                         break;
  22                     case '\\':
  23                         buffer.Append("\\\\");
  24                         break;
  25                     default:
  26                         if (code > 127)
  27                         {
  28                             buffer.AppendFormat("\\u{0:x4}", code);
  29                         }
  30                         else
  31                         {
  32                             buffer.Append(c);
  33                         }
  34                         break;
  35                 }
  36             }
  37             buffer.Append("\"");
  38
  39             writer.WriteRawValue(buffer.ToString());
  40         }
  41
  42         public override object ReadJson(JsonReader reader, Type objectType, object originalValue, JsonSerializer serializer)
  43         {
  44             return reader.Value;
  45         }
  46
  47         public override bool CanConvert(Type objectType)
  48         {
  49             return objectType == typeof(string);
  50         }
  51     }
  52 }
  53
  54