75d24c15
 yangbin
123
|
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
|
/*
* Copyright 1999-2101 Alibaba Group.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// Created by zhouzhuo on 7/7/16.
//
import Foundation
public extension HandyJSON {
/// Finds the internal dictionary in `dict` as the `designatedPath` specified, and converts it to a Model
/// `designatedPath` is a string like `result.data.orderInfo`, which each element split by `.` represents key of each layer
static func deserialize(from dict: NSDictionary?, designatedPath: String? = nil) -> Self? {
return deserialize(from: dict as? [String: Any], designatedPath: designatedPath)
}
/// Finds the internal dictionary in `dict` as the `designatedPath` specified, and converts it to a Model
/// `designatedPath` is a string like `result.data.orderInfo`, which each element split by `.` represents key of each layer
static func deserialize(from dict: [String: Any]?, designatedPath: String? = nil) -> Self? {
return JSONDeserializer<Self>.deserializeFrom(dict: dict, designatedPath: designatedPath)
}
/// Finds the internal JSON field in `json` as the `designatedPath` specified, and converts it to a Model
/// `designatedPath` is a string like `result.data.orderInfo`, which each element split by `.` represents key of each layer
static func deserialize(from json: String?, designatedPath: String? = nil) -> Self? {
return JSONDeserializer<Self>.deserializeFrom(json: json, designatedPath: designatedPath)
}
}
public extension Array where Element: HandyJSON {
/// if the JSON field finded by `designatedPath` in `json` is representing a array, such as `[{...}, {...}, {...}]`,
/// this method converts it to a Models array
static func deserialize(from json: String?, designatedPath: String? = nil) -> [Element?]? {
return JSONDeserializer<Element>.deserializeModelArrayFrom(json: json, designatedPath: designatedPath)
}
/// deserialize model array from NSArray
static func deserialize(from array: NSArray?) -> [Element?]? {
return JSONDeserializer<Element>.deserializeModelArrayFrom(array: array)
}
/// deserialize model array from array
static func deserialize(from array: [Any]?) -> [Element?]? {
return JSONDeserializer<Element>.deserializeModelArrayFrom(array: array)
}
}
public class JSONDeserializer<T: HandyJSON> {
/// Finds the internal dictionary in `dict` as the `designatedPath` specified, and map it to a Model
/// `designatedPath` is a string like `result.data.orderInfo`, which each element split by `.` represents key of each layer, or nil
public static func deserializeFrom(dict: NSDictionary?, designatedPath: String? = nil) -> T? {
return deserializeFrom(dict: dict as? [String: Any], designatedPath: designatedPath)
}
/// Finds the internal dictionary in `dict` as the `designatedPath` specified, and map it to a Model
/// `designatedPath` is a string like `result.data.orderInfo`, which each element split by `.` represents key of each layer, or nil
public static func deserializeFrom(dict: [String: Any]?, designatedPath: String? = nil) -> T? {
var targetDict = dict
if let path = designatedPath {
targetDict = getInnerObject(inside: targetDict, by: path) as? [String: Any]
}
if let _dict = targetDict {
return T._transform(dict: _dict) as? T
}
return nil
}
/// Finds the internal JSON field in `json` as the `designatedPath` specified, and converts it to Model
/// `designatedPath` is a string like `result.data.orderInfo`, which each element split by `.` represents key of each layer, or nil
public static func deserializeFrom(json: String?, designatedPath: String? = nil) -> T? {
guard let _json = json else {
return nil
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: _json.data(using: String.Encoding.utf8)!, options: .allowFragments)
if let jsonDict = jsonObject as? NSDictionary {
return self.deserializeFrom(dict: jsonDict, designatedPath: designatedPath)
}
} catch let error {
InternalLogger.logError(error)
}
return nil
}
/// Finds the internal dictionary in `dict` as the `designatedPath` specified, and use it to reassign an exist model
/// `designatedPath` is a string like `result.data.orderInfo`, which each element split by `.` represents key of each layer, or nil
public static func update(object: inout T, from dict: [String: Any]?, designatedPath: String? = nil) {
var targetDict = dict
if let path = designatedPath {
targetDict = getInnerObject(inside: targetDict, by: path) as? [String: Any]
}
if let _dict = targetDict {
T._transform(dict: _dict, to: &object)
}
}
/// Finds the internal JSON field in `json` as the `designatedPath` specified, and use it to reassign an exist model
/// `designatedPath` is a string like `result.data.orderInfo`, which each element split by `.` represents key of each layer, or nil
public static func update(object: inout T, from json: String?, designatedPath: String? = nil) {
guard let _json = json else {
return
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: _json.data(using: String.Encoding.utf8)!, options: .allowFragments)
if let jsonDict = jsonObject as? [String: Any] {
update(object: &object, from: jsonDict, designatedPath: designatedPath)
}
} catch let error {
InternalLogger.logError(error)
}
}
/// if the JSON field found by `designatedPath` in `json` is representing a array, such as `[{...}, {...}, {...}]`,
/// this method converts it to a Models array
public static func deserializeModelArrayFrom(json: String?, designatedPath: String? = nil) -> [T?]? {
guard let _json = json else {
return nil
}
do {
let jsonObject = try JSONSerialization.jsonObject(with: _json.data(using: String.Encoding.utf8)!, options: .allowFragments)
if let jsonArray = getInnerObject(inside: jsonObject, by: designatedPath) as? [Any] {
return jsonArray.map({ (item) -> T? in
return self.deserializeFrom(dict: item as? [String: Any])
})
}
} catch let error {
InternalLogger.logError(error)
}
return nil
}
/// mapping raw array to Models array
public static func deserializeModelArrayFrom(array: NSArray?) -> [T?]? {
return deserializeModelArrayFrom(array: array as? [Any])
}
/// mapping raw array to Models array
public static func deserializeModelArrayFrom(array: [Any]?) -> [T?]? {
guard let _arr = array else {
return nil
}
return _arr.map({ (item) -> T? in
return self.deserializeFrom(dict: item as? NSDictionary)
})
}
}
fileprivate func getInnerObject(inside object: Any?, by designatedPath: String?) -> Any? {
var result: Any? = object
var abort = false
if let paths = designatedPath?.components(separatedBy: "."), paths.count > 0 {
var next = object as? [String: Any]
paths.forEach({ (seg) in
if seg.trimmingCharacters(in: CharacterSet.whitespacesAndNewlines) == "" || abort {
return
}
if let _next = next?[seg] {
result = _next
next = _next as? [String: Any]
} else {
abort = true
}
})
}
return abort ? nil : result
}
|
