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ExtensionArray.swift
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ExtensionArray.swift
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//
// ExtensionArray.swift
// Gloss
//
// Copyright (c) 2016 Rahul Katariya
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
import Foundation
// MARK: - JSONDecodable
public extension Array where Element: JSONDecodable {
// MARK: Public functions
/**
Returns array of new objects created from provided JSON array.
If any decodings fail, nil is returned.
- parameter jsonArray: Array of JSON representations of objects.
- returns: Array of objects created from JSON.
*/
static func from(jsonArray: [JSON]) -> [Element]? {
var models: [Element] = []
for json in jsonArray {
let model = Element(json: json)
if let model = model {
models.append(model)
} else {
return nil
}
}
return models
}
/**
Initializes array of model objects from provided data.
- parameter data: Raw JSON array data.
- returns: Array with model objects when decoding is successful, empty otherwise.
*/
/**
Returns array of new objects created from provided data.
If creation of JSON or any decodings fail, nil is returned.
- parameter data: Raw JSON data.
- parameter serializer: Serializer to use when creating JSON from data.
- parameter ooptions: Options for reading the JSON data.
- returns: Object or nil.
*/
static func from(data: Data, serializer: JSONSerializer = GlossJSONSerializer(), options: JSONSerialization.ReadingOptions = .mutableContainers) -> [Element]? {
guard
let jsonArray = (try? JSONSerialization.jsonObject(with: data, options: options)) as? [JSON],
let models = [Element].from(jsonArray: jsonArray) else {
return nil
}
return models
}
}
// MARK: - JSONEncodable
public extension Array where Element: JSONEncodable {
// MARK: Public functions
/**
Encodes array of objects as JSON array.
If any encodings fail, nil is returned.
- returns: Array of JSON created from objects.
*/
func toJSONArray() -> [JSON]? {
var jsonArray: [JSON] = []
for json in self {
if let json = json.toJSON() {
jsonArray.append(json)
} else {
return nil
}
}
return jsonArray
}
}