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
|
using System;
using System.IO;
using System.Threading.Tasks;
using MediaBrowser.Model.IO;
using MediaBrowser.Model.Serialization;
namespace Emby.Server.Implementations.Serialization
{
/// <summary>
/// Provides a wrapper around third party json serialization.
/// </summary>
public class JsonSerializer : IJsonSerializer
{
private readonly IFileSystem _fileSystem;
public JsonSerializer(
IFileSystem fileSystem)
{
_fileSystem = fileSystem;
Configure();
}
/// <summary>
/// Serializes to stream.
/// </summary>
/// <param name="obj">The obj.</param>
/// <param name="stream">The stream.</param>
/// <exception cref="ArgumentNullException">obj</exception>
public void SerializeToStream(object obj, Stream stream)
{
if (obj == null)
{
throw new ArgumentNullException(nameof(obj));
}
if (stream == null)
{
throw new ArgumentNullException(nameof(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="ArgumentNullException">obj</exception>
public void SerializeToFile(object obj, string file)
{
if (obj == null)
{
throw new ArgumentNullException(nameof(obj));
}
if (string.IsNullOrEmpty(file))
{
throw new ArgumentNullException(nameof(file));
}
using (var stream = _fileSystem.GetFileStream(file, FileOpenMode.Create, FileAccessMode.Write, FileShareMode.Read))
{
SerializeToStream(obj, stream);
}
}
private static Stream OpenFile(string 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="ArgumentNullException">type</exception>
public object DeserializeFromFile(Type type, string file)
{
if (type == null)
{
throw new ArgumentNullException(nameof(type));
}
if (string.IsNullOrEmpty(file))
{
throw new ArgumentNullException(nameof(file));
}
using (var 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="ArgumentNullException">file</exception>
public T DeserializeFromFile<T>(string file)
where T : class
{
if (string.IsNullOrEmpty(file))
{
throw new ArgumentNullException(nameof(file));
}
using (var 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="ArgumentNullException">stream</exception>
public T DeserializeFromStream<T>(Stream stream)
{
if (stream == null)
{
throw new ArgumentNullException(nameof(stream));
}
return ServiceStack.Text.JsonSerializer.DeserializeFromStream<T>(stream);
}
public Task<T> DeserializeFromStreamAsync<T>(Stream stream)
{
if (stream == null)
{
throw new ArgumentNullException(nameof(stream));
}
return ServiceStack.Text.JsonSerializer.DeserializeFromStreamAsync<T>(stream);
}
/// <summary>
/// Deserializes from string.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="text">The text.</param>
/// <returns>``0.</returns>
/// <exception cref="ArgumentNullException">text</exception>
public T DeserializeFromString<T>(string text)
{
if (string.IsNullOrEmpty(text))
{
throw new ArgumentNullException(nameof(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="ArgumentNullException">stream</exception>
public object DeserializeFromStream(Stream stream, Type type)
{
if (stream == null)
{
throw new ArgumentNullException(nameof(stream));
}
if (type == null)
{
throw new ArgumentNullException(nameof(type));
}
return ServiceStack.Text.JsonSerializer.DeserializeFromStream(type, stream);
}
public async Task<object> DeserializeFromStreamAsync(Stream stream, Type type)
{
if (stream == null)
{
throw new ArgumentNullException(nameof(stream));
}
if (type == null)
{
throw new ArgumentNullException(nameof(type));
}
using (var reader = new StreamReader(stream))
{
var json = await reader.ReadToEndAsync().ConfigureAwait(false);
return ServiceStack.Text.JsonSerializer.DeserializeFromString(json, type);
}
}
/// <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;
ServiceStack.Text.JsConfig<Guid>.SerializeFn = SerializeGuid;
}
private static string SerializeGuid(Guid guid)
{
if (guid.Equals(Guid.Empty))
{
return null;
}
return guid.ToString("N");
}
/// <summary>
/// Deserializes from string.
/// </summary>
/// <param name="json">The json.</param>
/// <param name="type">The type.</param>
/// <returns>System.Object.</returns>
/// <exception cref="ArgumentNullException">json</exception>
public object DeserializeFromString(string json, Type type)
{
if (string.IsNullOrEmpty(json))
{
throw new ArgumentNullException(nameof(json));
}
if (type == null)
{
throw new ArgumentNullException(nameof(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="ArgumentNullException">obj</exception>
public string SerializeToString(object obj)
{
if (obj == null)
{
throw new ArgumentNullException(nameof(obj));
}
return ServiceStack.Text.JsonSerializer.SerializeToString(obj, obj.GetType());
}
}
}
|
