/// <summary>
/// Restores <see cref="T" /> by deserializing the given file.
/// </summary>
/// <param name="fileName"> Name of the file to deserialize. The file must exist. </param>
/// <returns> Returns <typeparamref name="T" /> as deserialized or default. </returns>
public T DeserializeFromFile(string fileName)
{
if (!File.Exists(fileName))
{
return(GenericUtils.CreateDefaultInstance <T>());
}
using (var fileStream = File.OpenRead(fileName))
{
var dataContractSerializer = new DataContractSerializer(typeof(T));
return((T)dataContractSerializer.ReadObject(fileStream));
}
}