/**
 * Copyright 2018 IBM Corp. All Rights Reserved.
 *
 * 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.
 */

import Foundation

extension Encodable {
    public func boxedEncoding() -> Data? {
        let encoder = JSONEncoder()
        let box = ["value": self]
        do {
            let data = try encoder.encode(box)
            return data
        } catch {
            return nil
        }
    }
}

extension Data {
    public func unboxedValue<T>() -> T? where T: Codable {
        let decoder = JSONDecoder()
        do {
            let box = try decoder.decode(Dictionary<String, T>.self, from: self)
            guard let value = box["value"] else { return nil }
            return value
        } catch {
            return nil
        }
    }
}
