-
Notifications
You must be signed in to change notification settings - Fork 9.8k
/
JsonPatchDocument.cs
271 lines (235 loc) · 9.77 KB
/
JsonPatchDocument.cs
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
// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using System.Collections.Generic;
using Microsoft.AspNetCore.JsonPatch.Adapters;
using Microsoft.AspNetCore.JsonPatch.Converters;
using Microsoft.AspNetCore.JsonPatch.Exceptions;
using Microsoft.AspNetCore.JsonPatch.Internal;
using Microsoft.AspNetCore.JsonPatch.Operations;
using Newtonsoft.Json;
using Newtonsoft.Json.Serialization;
namespace Microsoft.AspNetCore.JsonPatch
{
// Implementation details: the purpose of this type of patch document is to allow creation of such
// documents for cases where there's no class/DTO to work on. Typical use case: backend not built in
// .NET or architecture doesn't contain a shared DTO layer.
[JsonConverter(typeof(JsonPatchDocumentConverter))]
public class JsonPatchDocument : IJsonPatchDocument
{
public List<Operation> Operations { get; private set; }
[JsonIgnore]
public IContractResolver ContractResolver { get; set; }
public JsonPatchDocument()
{
Operations = new List<Operation>();
ContractResolver = new DefaultContractResolver();
}
public JsonPatchDocument(List<Operation> operations, IContractResolver contractResolver)
{
if (operations == null)
{
throw new ArgumentNullException(nameof(operations));
}
if (contractResolver == null)
{
throw new ArgumentNullException(nameof(contractResolver));
}
Operations = operations;
ContractResolver = contractResolver;
}
/// <summary>
/// Add operation. Will result in, for example,
/// { "op": "add", "path": "/a/b/c", "value": [ "foo", "bar" ] }
/// </summary>
/// <param name="path">target location</param>
/// <param name="value">value</param>
/// <returns>The <see cref="JsonPatchDocument"/> for chaining.</returns>
public JsonPatchDocument Add(string path, object value)
{
if (path == null)
{
throw new ArgumentNullException(nameof(path));
}
Operations.Add(new Operation("add", PathHelpers.ValidateAndNormalizePath(path), null, value));
return this;
}
/// <summary>
/// Remove value at target location. Will result in, for example,
/// { "op": "remove", "path": "/a/b/c" }
/// </summary>
/// <param name="path">target location</param>
/// <returns>The <see cref="JsonPatchDocument"/> for chaining.</returns>
public JsonPatchDocument Remove(string path)
{
if (path == null)
{
throw new ArgumentNullException(nameof(path));
}
Operations.Add(new Operation("remove", PathHelpers.ValidateAndNormalizePath(path), null, null));
return this;
}
/// <summary>
/// Replace value. Will result in, for example,
/// { "op": "replace", "path": "/a/b/c", "value": 42 }
/// </summary>
/// <param name="path">target location</param>
/// <param name="value">value</param>
/// <returns>The <see cref="JsonPatchDocument"/> for chaining.</returns>
public JsonPatchDocument Replace(string path, object value)
{
if (path == null)
{
throw new ArgumentNullException(nameof(path));
}
Operations.Add(new Operation("replace", PathHelpers.ValidateAndNormalizePath(path), null, value));
return this;
}
/// <summary>
/// Test value. Will result in, for example,
/// { "op": "test", "path": "/a/b/c", "value": 42 }
/// </summary>
/// <param name="path">target location</param>
/// <param name="value">value</param>
/// <returns>The <see cref="JsonPatchDocument"/> for chaining.</returns>
public JsonPatchDocument Test(string path, object value)
{
if (path == null)
{
throw new ArgumentNullException(nameof(path));
}
Operations.Add(new Operation("test", PathHelpers.ValidateAndNormalizePath(path), null, value));
return this;
}
/// <summary>
/// Removes value at specified location and add it to the target location. Will result in, for example:
/// { "op": "move", "from": "/a/b/c", "path": "/a/b/d" }
/// </summary>
/// <param name="from">source location</param>
/// <param name="path">target location</param>
/// <returns>The <see cref="JsonPatchDocument"/> for chaining.</returns>
public JsonPatchDocument Move(string from, string path)
{
if (from == null)
{
throw new ArgumentNullException(nameof(from));
}
if (path == null)
{
throw new ArgumentNullException(nameof(path));
}
Operations.Add(new Operation("move", PathHelpers.ValidateAndNormalizePath(path), PathHelpers.ValidateAndNormalizePath(from)));
return this;
}
/// <summary>
/// Copy the value at specified location to the target location. Will result in, for example:
/// { "op": "copy", "from": "/a/b/c", "path": "/a/b/e" }
/// </summary>
/// <param name="from">source location</param>
/// <param name="path">target location</param>
/// <returns>The <see cref="JsonPatchDocument"/> for chaining.</returns>
public JsonPatchDocument Copy(string from, string path)
{
if (from == null)
{
throw new ArgumentNullException(nameof(from));
}
if (path == null)
{
throw new ArgumentNullException(nameof(path));
}
Operations.Add(new Operation("copy", PathHelpers.ValidateAndNormalizePath(path), PathHelpers.ValidateAndNormalizePath(from)));
return this;
}
/// <summary>
/// Apply this JsonPatchDocument
/// </summary>
/// <param name="objectToApplyTo">Object to apply the JsonPatchDocument to</param>
public void ApplyTo(object objectToApplyTo)
{
if (objectToApplyTo == null)
{
throw new ArgumentNullException(nameof(objectToApplyTo));
}
ApplyTo(objectToApplyTo, new ObjectAdapter(ContractResolver, null, new AdapterFactory()));
}
/// <summary>
/// Apply this JsonPatchDocument
/// </summary>
/// <param name="objectToApplyTo">Object to apply the JsonPatchDocument to</param>
/// <param name="logErrorAction">Action to log errors</param>
public void ApplyTo(object objectToApplyTo, Action<JsonPatchError> logErrorAction)
{
ApplyTo(objectToApplyTo, new ObjectAdapter(ContractResolver, logErrorAction, new AdapterFactory()), logErrorAction);
}
/// <summary>
/// Apply this JsonPatchDocument
/// </summary>
/// <param name="objectToApplyTo">Object to apply the JsonPatchDocument to</param>
/// <param name="adapter">IObjectAdapter instance to use when applying</param>
/// <param name="logErrorAction">Action to log errors</param>
public void ApplyTo(object objectToApplyTo, IObjectAdapter adapter, Action<JsonPatchError> logErrorAction)
{
if (objectToApplyTo == null)
{
throw new ArgumentNullException(nameof(objectToApplyTo));
}
if (adapter == null)
{
throw new ArgumentNullException(nameof(adapter));
}
foreach (var op in Operations)
{
try
{
op.Apply(objectToApplyTo, adapter);
}
catch (JsonPatchException jsonPatchException)
{
var errorReporter = logErrorAction ?? ErrorReporter.Default;
errorReporter(new JsonPatchError(objectToApplyTo, op, jsonPatchException.Message));
// As per JSON Patch spec if an operation results in error, further operations should not be executed.
break;
}
}
}
/// <summary>
/// Apply this JsonPatchDocument
/// </summary>
/// <param name="objectToApplyTo">Object to apply the JsonPatchDocument to</param>
/// <param name="adapter">IObjectAdapter instance to use when applying</param>
public void ApplyTo(object objectToApplyTo, IObjectAdapter adapter)
{
if (objectToApplyTo == null)
{
throw new ArgumentNullException(nameof(objectToApplyTo));
}
if (adapter == null)
{
throw new ArgumentNullException(nameof(adapter));
}
// apply each operation in order
foreach (var op in Operations)
{
op.Apply(objectToApplyTo, adapter);
}
}
IList<Operation> IJsonPatchDocument.GetOperations()
{
var allOps = new List<Operation>();
if (Operations != null)
{
foreach (var op in Operations)
{
var untypedOp = new Operation();
untypedOp.op = op.op;
untypedOp.value = op.value;
untypedOp.path = op.path;
untypedOp.from = op.from;
allOps.Add(untypedOp);
}
}
return allOps;
}
}
}