IwiNetPro16ApiClient

IwiNetPro16ApiClient.cs

// PM> Install-Package Newtonsoft.Json
// Add Reference to System.Web;
using System;
using System.Net;
using System.Text;
using System.Threading.Tasks;
using System.Web;
using Newtonsoft.Json;

namespace IwiNetPro16ApiClient
{
	public class ApiClient
	{
		static void Main(string[] args)
		{
			var task = new ApiClient().RequestGetWeather(130010);
			// 本当なら
			// var resJson = await new ApiClient().RequestGetWeather(130010);
			// と書きたいところだがMainはasyncじゃないので書けない
			task.Wait();
			var resJson = task.Result;
			Console.WriteLine($"{resJson.location.city}の天気は{resJson.forecasts[0].telop}です．");
			Console.ReadKey();
		}

		public async Task<dynamic> RequestGetWeather(int locationCode)
		{
			var query = HttpUtility.ParseQueryString(string.Empty);
			query["city"] = locationCode.ToString();

			var uri = new UriBuilder
			{
				Scheme = "http",
				Host = "weather.livedoor.com",
				Path = "forecast/webservice/json/v1",
				Query = query.ToString(),
			}.Uri;

			using (var wc = new WebClient())
			{
				var data = await wc.DownloadDataTaskAsync(uri);
				var json = JsonConvert.DeserializeObject<dynamic>(Encoding.UTF8.GetString(data));

				return json;
			}
		}
	}
}