3.1 JSON Deserialize

CSharp · Console

/Program.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.Json;

public class Program
{
	public static void Main()
	{
		var data = @"[
		  {
			""productId"": 1,
			""productName"": ""Basic t-shirt"",
			""productDescription"": ""a quiet t-shirt"",
			""price"": { ""amount"" : 40, ""currency"": ""eur"" },
			""attributes"" : [
			{ 
			  ""sizes"": [ ""s"", ""m"", ""l""],
			  ""colors"": [""red"", ""blue"", ""green""]
			}]
		  },
		  {
			""productId"": 2,
			""productName"": ""Fancy shirt"",
			""productDescription"": ""a loud t-shirt"",
			""price"": { ""amount"" : 50, ""currency"": ""eur"" },
			""attributes"" : [
			{ 
			  ""sizes"": [ ""s"", ""m"", ""l"", ""xl""],
			  ""colors"": [""ALL"", ""Batique""]
			}]
		  }
		]";
		//Console.WriteLine("   > json");
		//Console.WriteLine(data);
		//Console.WriteLine("");
		var options = new JsonSerializerOptions() { PropertyNameCaseInsensitive = true };
		var products = JsonSerializer.Deserialize<List<ProductCatalogProduct>>(data, options);
		if (products.Any(p => !string.IsNullOrEmpty(p.ProductDescription)))
		{
			foreach (var p in products)
			{
				Console.WriteLine(p.ProductId + " : " + p.ProductDescription);
			}
		}
		else
		{
			Console.WriteLine("** json not deserialized **");
		}
	}

	public class Money
	{
		public string Currency
		{
			get;
			set;
		}

		public decimal Amount
		{
			get;
			set;
		}

		public Money(){}
		public Money(string currency, decimal amount)
		{
			Currency = currency;
			Amount = amount;
		}
	}

	public class ProductCatalogProduct
	{
		public int ProductId
		{
			get;
			set;
		}

		public string ProductName
		{
			get;
			set;
		}

		public string ProductDescription
		{
			get;
			set;
		}

		public Money Price
		{
			get;
			set;
		}

		public List<Attributes> Attributes
		{
			get;
			set;
		}
	}

	public class Attributes
	{
		public List<string> Sizes
		{
			get;
			set;
		}

		public List<string> Colors
		{
			get;
			set;
		}
	}
}