lab4/WpfApp3/model/JSONDataProvider.cs

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace WpfApp3.model
{
    public class JSONDataProvider
    {
        private List<Student> _StudentList;

        public JSONDataProvider()
        {
            var serializer = new DataContractJsonSerializer(typeof(Student[]));
            using (var sr = new StreamReader("./test.json"))
            {
                _StudentList = ((Student[])serializer.ReadObject(sr.BaseStream)).ToList();
            }
        }

        public IEnumerable<Student> getStudents()
        {
            return _StudentList;
        }
    }

    internal class DataContractJsonSerializer
    {
        private Type type;

        public DataContractJsonSerializer(Type type)
        {
            this.type = type;
        }

        internal Student[] ReadObject(Stream baseStream)
        {
            throw new NotImplementedException();
        }
    }
}