Newtonsoft.Json/Src/Newtonsoft.Json.Tests/Documentation/Samples/Schema/JTokenValidateWithEvent.cs

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

namespace Newtonsoft.Json.Tests.Documentation.Samples.Schema
{
    public class JTokenValidateWithEvent
    {
        public void Example()
        {
            #region Usage
            string schemaJson = @"{
              'description': 'A person',
              'type': 'object',
              'properties': {
                'name': {'type':'string'},
                'hobbies': {
                  'type': 'array',
                  'items': {'type':'string'}
                }
              }
            }";

            JsonSchema schema = JsonSchema.Parse(schemaJson);

            JObject person = JObject.Parse(@"{
              'name': null,
              'hobbies': ['Invalid content', 0.123456789]
            }");

            IList<string> messages = new List<string>();
            ValidationEventHandler validationEventHandler = (sender, args) => { messages.Add(args.Message); };

            person.Validate(schema, validationEventHandler);

            foreach (string message in messages)
            {
                Console.WriteLine(message);
            }
            // Invalid type. Expected String but got Null. Line 2, position 21.
            // Invalid type. Expected String but got Float. Line 3, position 51.
            #endregion
        }
    }
}