import Foundation

/// `JSONDataParser` response JSON data.

public class JSONDataParser: DataParser {

/// Options for reading the JSON data and creating the objects.

public let readingOptions: JSONSerialization.ReadingOptions

/// Returns `JSONDataParser` with the reading options.

public init(readingOptions: JSONSerialization.ReadingOptions) {

self.readingOptions = readingOptions

}

// MARK: - DataParser

/// Value for `Accept` header field of HTTP request.

public var contentType: String? {

return "application/json"

}

/// Return `Any` that expresses structure of JSON response.

/// - Throws: `NSError` when `JSONSerialization` fails to deserialize `Data` into `Any`.

public func parse(data: Data) throws -> Any {

guard data.count > 0 else {

return [:]

}

return try JSONSerialization.jsonObject(with: data, options: readingOptions)

}

}