forked from ServiceStack/ServiceStack.Text
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathJsonSerializer.cs
More file actions
301 lines (267 loc) · 8.38 KB
/
JsonSerializer.cs
File metadata and controls
301 lines (267 loc) · 8.38 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
//
// 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 Service Stack LLC. All Rights Reserved.
//
// Licensed under the same terms of ServiceStack.
//
using System;
using System.Globalization;
using System.IO;
using System.Net;
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
{
public static UTF8Encoding UTF8Encoding = new UTF8Encoding(false); //Don't emit UTF8 BOM by default
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);
}
[ThreadStatic] //Reuse the thread static StringBuilder when serializing to strings
private static StringBuilderWriter LastWriter;
internal class StringBuilderWriter : IDisposable
{
protected StringBuilder sb;
protected StringWriter writer;
public StringWriter Writer
{
get { return writer; }
}
public StringBuilderWriter()
{
this.sb = new StringBuilder();
this.writer = new StringWriter(sb, CultureInfo.InvariantCulture);
}
public static StringBuilderWriter Create()
{
var ret = LastWriter;
if (JsConfig.ReuseStringBuffer && ret != null)
{
LastWriter = null;
ret.sb.Clear();
return ret;
}
return new StringBuilderWriter();
}
public override string ToString()
{
return sb.ToString();
}
public void Dispose()
{
if (JsConfig.ReuseStringBuffer)
{
LastWriter = this;
}
else
{
Writer.Dispose();
}
}
}
public static string SerializeToString<T>(T value)
{
if (value == null || value is Delegate) return null;
if (typeof(T) == typeof(object))
{
return SerializeToString(value, value.GetType());
}
if (typeof(T).IsAbstract() || typeof(T).IsInterface())
{
JsState.IsWritingDynamic = true;
var result = SerializeToString(value, value.GetType());
JsState.IsWritingDynamic = false;
return result;
}
using (var sb = StringBuilderWriter.Create())
{
if (typeof(T) == typeof(string))
{
JsonUtils.WriteString(sb.Writer, value as string);
}
else
{
JsonWriter<T>.WriteRootObject(sb.Writer, value);
}
return sb.ToString();
}
}
public static string SerializeToString(object value, Type type)
{
if (value == null) return null;
using (var sb = StringBuilderWriter.Create())
{
if (type == typeof(string))
{
JsonUtils.WriteString(sb.Writer, value as string);
}
else
{
JsonWriter.GetWriteFn(type)(sb.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);
}
else if (typeof(T) == typeof(object))
{
SerializeToWriter(value, value.GetType(), writer);
}
else if (typeof(T).IsAbstract() || typeof(T).IsInterface())
{
JsState.IsWritingDynamic = false;
SerializeToWriter(value, value.GetType(), writer);
JsState.IsWritingDynamic = true;
}
else
{
JsonWriter<T>.WriteRootObject(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))
{
SerializeToStream(value, value.GetType(), stream);
}
else if (typeof(T).IsAbstract() || typeof(T).IsInterface())
{
JsState.IsWritingDynamic = false;
SerializeToStream(value, value.GetType(), stream);
JsState.IsWritingDynamic = true;
}
else
{
var writer = new StreamWriter(stream, UTF8Encoding);
JsonWriter<T>.WriteRootObject(writer, value);
writer.Flush();
}
}
public static void SerializeToStream(object value, Type type, Stream stream)
{
var writer = new StreamWriter(stream, UTF8Encoding);
JsonWriter.GetWriteFn(type)(writer, value);
writer.Flush();
}
public static T DeserializeFromStream<T>(Stream stream)
{
using (var reader = new StreamReader(stream, UTF8Encoding))
{
return DeserializeFromString<T>(reader.ReadToEnd());
}
}
public static object DeserializeFromStream(Type type, Stream stream)
{
using (var reader = new StreamReader(stream, UTF8Encoding))
{
return DeserializeFromString(reader.ReadToEnd(), type);
}
}
public static T DeserializeResponse<T>(WebRequest webRequest)
{
using (var webRes = PclExport.Instance.GetResponse(webRequest))
{
using (var stream = webRes.GetResponseStream())
{
return DeserializeFromStream<T>(stream);
}
}
}
public static object DeserializeResponse<T>(Type type, WebRequest webRequest)
{
using (var webRes = PclExport.Instance.GetResponse(webRequest))
{
using (var stream = webRes.GetResponseStream())
{
return DeserializeFromStream(type, stream);
}
}
}
public static T DeserializeRequest<T>(WebRequest webRequest)
{
using (var webRes = PclExport.Instance.GetResponse(webRequest))
{
return DeserializeResponse<T>(webRes);
}
}
public static object DeserializeRequest(Type type, WebRequest webRequest)
{
using (var webRes = PclExport.Instance.GetResponse(webRequest))
{
return DeserializeResponse(type, webRes);
}
}
public static T DeserializeResponse<T>(WebResponse webResponse)
{
using (var stream = webResponse.GetResponseStream())
{
return DeserializeFromStream<T>(stream);
}
}
public static object DeserializeResponse(Type type, WebResponse webResponse)
{
using (var stream = webResponse.GetResponseStream())
{
return DeserializeFromStream(type, stream);
}
}
}
public class JsonStringSerializer : IStringSerializer
{
public To DeserializeFromString<To>(string serializedText)
{
return JsonSerializer.DeserializeFromString<To>(serializedText);
}
public object DeserializeFromString(string serializedText, Type type)
{
return JsonSerializer.DeserializeFromString(serializedText, type);
}
public string SerializeToString<TFrom>(TFrom @from)
{
return JsonSerializer.SerializeToString(@from);
}
}
}