1 #region License
2 // Copyright (c) 2007 James Newton-King
3 //
4 // Permission is hereby granted, free of charge, to any person
5 // obtaining a copy of this software and associated documentation
6 // files (the "Software"), to deal in the Software without
7 // restriction, including without limitation the rights to use,
8 // copy, modify, merge, publish, distribute, sublicense, and/or sell
9 // copies of the Software, and to permit persons to whom the
10 // Software is furnished to do so, subject to the following
11 // conditions:
12 //
13 // The above copyright notice and this permission notice shall be
14 // included in all copies or substantial portions of the Software.
15 //
16 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
18 // OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
20 // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
21 // WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
22 // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
23 // OTHER DEALINGS IN THE SOFTWARE.
24 #endregion
25 
26 #if !(SILVERLIGHT || NETFX_CORE)
27 using System;
28 using System.Globalization;
29 using System.Runtime.Serialization;
30 using Newtonsoft.Json.Utilities;
31 using Newtonsoft.Json.Linq;
32 
33 namespace Newtonsoft.Json.Serialization
34 {
35   internal class JsonFormatterConverter : IFormatterConverter
36   {
37     private readonly JsonSerializer _serializer;
38 
JsonFormatterConverter(JsonSerializer serializer)39     public JsonFormatterConverter(JsonSerializer serializer)
40     {
41       ValidationUtils.ArgumentNotNull(serializer, "serializer");
42 
43       _serializer = serializer;
44     }
45 
GetTokenValue(object value)46     private T GetTokenValue<T>(object value)
47     {
48       ValidationUtils.ArgumentNotNull(value, "value");
49 
50       JValue v = (JValue)value;
51       return (T)System.Convert.ChangeType(v.Value, typeof(T), CultureInfo.InvariantCulture);
52     }
53 
Convert(object value, Type type)54     public object Convert(object value, Type type)
55     {
56       ValidationUtils.ArgumentNotNull(value, "value");
57 
58       JToken token = value as JToken;
59       if (token == null)
60         throw new ArgumentException("Value is not a JToken.", "value");
61 
62       return _serializer.Deserialize(token.CreateReader(), type);
63     }
64 
Convert(object value, TypeCode typeCode)65     public object Convert(object value, TypeCode typeCode)
66     {
67       ValidationUtils.ArgumentNotNull(value, "value");
68 
69       if (value is JValue)
70         value = ((JValue) value).Value;
71 
72       return System.Convert.ChangeType(value, typeCode, CultureInfo.InvariantCulture);
73     }
74 
ToBoolean(object value)75     public bool ToBoolean(object value)
76     {
77       return GetTokenValue<bool>(value);
78     }
79 
ToByte(object value)80     public byte ToByte(object value)
81     {
82       return GetTokenValue<byte>(value);
83     }
84 
ToChar(object value)85     public char ToChar(object value)
86     {
87       return GetTokenValue<char>(value);
88     }
89 
ToDateTime(object value)90     public DateTime ToDateTime(object value)
91     {
92       return GetTokenValue<DateTime>(value);
93     }
94 
ToDecimal(object value)95     public decimal ToDecimal(object value)
96     {
97       return GetTokenValue<decimal>(value);
98     }
99 
ToDouble(object value)100     public double ToDouble(object value)
101     {
102       return GetTokenValue<double>(value);
103     }
104 
ToInt16(object value)105     public short ToInt16(object value)
106     {
107       return GetTokenValue<short>(value);
108     }
109 
ToInt32(object value)110     public int ToInt32(object value)
111     {
112       return GetTokenValue<int>(value);
113     }
114 
ToInt64(object value)115     public long ToInt64(object value)
116     {
117       return GetTokenValue<long>(value);
118     }
119 
ToSByte(object value)120     public sbyte ToSByte(object value)
121     {
122       return GetTokenValue<sbyte>(value);
123     }
124 
ToSingle(object value)125     public float ToSingle(object value)
126     {
127       return GetTokenValue<float>(value);
128     }
129 
ToString(object value)130     public string ToString(object value)
131     {
132       return GetTokenValue<string>(value);
133     }
134 
ToUInt16(object value)135     public ushort ToUInt16(object value)
136     {
137       return GetTokenValue<ushort>(value);
138     }
139 
ToUInt32(object value)140     public uint ToUInt32(object value)
141     {
142       return GetTokenValue<uint>(value);
143     }
144 
ToUInt64(object value)145     public ulong ToUInt64(object value)
146     {
147       return GetTokenValue<ulong>(value);
148     }
149   }
150 }
151 #endif