using Newtonsoft.Json.Utilities; using System; using System.Globalization; using System.Reflection; namespace Newtonsoft.Json.Serialization { public class DynamicValueProvider : IValueProvider { private readonly MemberInfo _memberInfo; private Func<object, object> _getter; private Action<object, object> _setter; public DynamicValueProvider(MemberInfo memberInfo) { ValidationUtils.ArgumentNotNull(memberInfo, "memberInfo"); _memberInfo = memberInfo; } public void SetValue(object target, object value) { try { if (_setter == null) _setter = DynamicReflectionDelegateFactory.Instance.CreateSet<object>(_memberInfo); _setter(target, value); } catch (Exception innerException) { throw new JsonSerializationException("Error setting value to '{0}' on '{1}'.".FormatWith(CultureInfo.InvariantCulture, _memberInfo.Name, target.GetType()), innerException); } } public object GetValue(object target) { try { if (_getter == null) _getter = DynamicReflectionDelegateFactory.Instance.CreateGet<object>(_memberInfo); return _getter(target); } catch (Exception innerException) { throw new JsonSerializationException("Error getting value from '{0}' on '{1}'.".FormatWith(CultureInfo.InvariantCulture, _memberInfo.Name, target.GetType()), innerException); } } } }