Deserialize json with auto-trimming strings

Question

I use Newtonsoft.Json library

Is there a way to trim spaces from any string data during deserialization?

class Program
{
    class Person
    {
              


        

Answer 1

In .net core 3.1 you can use the System.Text.Json to achieve this.

    /// 

    /// Trim spaces
    /// 
    public class TrimmingConverter : JsonConverter
    {
        /// 

        /// Trim the input string
        /// 
        /// reader
        /// Object type
        /// Existing Value
        /// 
        public override string Read(
          ref Utf8JsonReader reader,
          Type typeToConvert,
          JsonSerializerOptions options) => reader.GetString()?.Trim();

        /// 

        /// Trim the output string
        /// 
        /// Writer
        /// value
        /// serializer
        public override void Write(
            Utf8JsonWriter writer,
            string dateTimeValue,
            JsonSerializerOptions options) => writer.WriteStringValue(dateTimeValue?.Trim());
    }