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//
// URLTransform.swift
// ObjectMapper
//
// Created by Tristan Himmelman on 2014-10-27.
//
// The MIT License (MIT)
//
// Copyright (c) 2014-2016 Hearst
//
// 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
open class URLTransform: TransformType {
public typealias Object = URL
public typealias JSON = String
private let shouldEncodeURLString: Bool
/**
Initializes the URLTransform with an option to encode URL strings before converting them to an NSURL
- parameter shouldEncodeUrlString: when true (the default) the string is encoded before passing
to `NSURL(string:)`
- returns: an initialized transformer
*/
public init(shouldEncodeURLString: Bool = true) {
self.shouldEncodeURLString = shouldEncodeURLString
}
open func transformFromJSON(_ value: Any?) -> URL? {
guard let URLString = value as? String else { return nil }
if !shouldEncodeURLString {
return URL(string: URLString)
}
guard let escapedURLString = URLString.addingPercentEncoding(withAllowedCharacters: CharacterSet.urlQueryAllowed) else {
return nil
}
return URL(string: escapedURLString)
}
open func transformToJSON(_ value: URL?) -> String? {
if let URL = value {
return URL.absoluteString
}
return nil
}
}
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