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Samples.DeserializeObjectGraph
Tom Bryant edited this page Feb 21, 2020
·
4 revisions
Shows how to convert a YAML document to an object graph.
using System;
using System.Collections.Generic;
using System.IO;
using YamlDotNet.Serialization;
using YamlDotNet.Serialization.NamingConventions;
using YamlDotNet.Samples.Helpers;
using Xunit.Abstractions;
namespace YamlDotNet.Samples
{
public class DeserializeObjectGraph
{
private readonly ITestOutputHelper output;
public DeserializeObjectGraph(ITestOutputHelper output)
{
this.output = output;
}
[Sample(
DisplayName = "Deserializing an object graph",
Description = "Shows how to convert a YAML document to an object graph."
)]
public void Main()
{
var input = new StringReader(Document);
var deserializer = new DeserializerBuilder()
.WithNamingConvention(CamelCaseNamingConvention.Instance)
.Build();
var order = deserializer.Deserialize<Order>(input);
output.WriteLine("Order");
output.WriteLine("-----");
output.WriteLine();
foreach (var item in order.Items)
{
output.WriteLine("{0}\t{1}\t{2}\t{3}", item.PartNo, item.Quantity, item.Price, item.Descrip);
}
output.WriteLine();
output.WriteLine("Shipping");
output.WriteLine("--------");
output.WriteLine();
output.WriteLine(order.ShipTo.Street);
output.WriteLine(order.ShipTo.City);
output.WriteLine(order.ShipTo.State);
output.WriteLine();
output.WriteLine("Billing");
output.WriteLine("-------");
output.WriteLine();
if (order.BillTo == order.ShipTo)
{
output.WriteLine("*same as shipping address*");
}
else
{
output.WriteLine(order.ShipTo.Street);
output.WriteLine(order.ShipTo.City);
output.WriteLine(order.ShipTo.State);
}
output.WriteLine();
output.WriteLine("Delivery instructions");
output.WriteLine("---------------------");
output.WriteLine();
output.WriteLine(order.SpecialDelivery);
}
public class Order
{
public string Receipt { get; set; }
public DateTime Date { get; set; }
public Customer Customer { get; set; }
public List<OrderItem> Items { get; set; }
[YamlMember(Alias = "bill-to", ApplyNamingConventions = false)]
public Address BillTo { get; set; }
[YamlMember(Alias = "ship-to", ApplyNamingConventions = false)]
public Address ShipTo { get; set; }
public string SpecialDelivery { get; set; }
}
public class Customer
{
public string Given { get; set; }
public string Family { get; set; }
}
public class OrderItem
{
[YamlMember(Alias = "part_no", ApplyNamingConventions = false)]
public string PartNo { get; set; }
public string Descrip { get; set; }
public decimal Price { get; set; }
public int Quantity { get; set; }
}
public class Address
{
public string Street { get; set; }
public string City { get; set; }
public string State { get; set; }
}
private const string Document = @"---
receipt: Oz-Ware Purchase Invoice
date: 2007-08-06
customer:
given: Dorothy
family: Gale
items:
- part_no: A4786
descrip: Water Bucket (Filled)
price: 1.47
quantity: 4
- part_no: E1628
descrip: High Heeled ""Ruby"" Slippers
price: 100.27
quantity: 1
bill-to: &id001
street: |-
123 Tornado Alley
Suite 16
city: East Westville
state: KS
ship-to: *id001
specialDelivery: >
Follow the Yellow Brick
Road to the Emerald City.
Pay no attention to the
man behind the curtain.
...";
}
}
Order
-----
A4786 4 1.47 Water Bucket (Filled)
E1628 1 100.27 High Heeled "Ruby" Slippers
Shipping
--------
123 Tornado Alley
Suite 16
East Westville
KS
Billing
-------
*same as shipping address*
Delivery instructions
---------------------
Follow the Yellow Brick Road to the Emerald City. Pay no attention to the man behind the curtain.