ReflectionValueProvider
Get and set values for a MemberInfo using reflection.
using Newtonsoft.Json.Utilities;
using System;
using System.Globalization;
using System.Reflection;
using System.Runtime.CompilerServices;
namespace Newtonsoft.Json.Serialization
{
[System.Runtime.CompilerServices.NullableContext(1)]
[System.Runtime.CompilerServices.Nullable(0)]
public class ReflectionValueProvider : IValueProvider
{
private readonly MemberInfo _memberInfo;
public ReflectionValueProvider(MemberInfo memberInfo)
{
ValidationUtils.ArgumentNotNull(memberInfo, "memberInfo");
_memberInfo = memberInfo;
}
public void SetValue(object target, [System.Runtime.CompilerServices.Nullable(2)] object value)
{
try {
ReflectionUtils.SetMemberValue(_memberInfo, target, value);
} catch (Exception innerException) {
throw new JsonSerializationException("Error setting value to '{0}' on '{1}'.".FormatWith(CultureInfo.InvariantCulture, _memberInfo.Name, target.GetType()), innerException);
}
}
[return: System.Runtime.CompilerServices.Nullable(2)]
public object GetValue(object target)
{
try {
PropertyInfo propertyInfo = _memberInfo as PropertyInfo;
if ((object)propertyInfo != null && propertyInfo.PropertyType.IsByRef)
throw new InvalidOperationException("Could not create getter for {0}. ByRef return values are not supported.".FormatWith(CultureInfo.InvariantCulture, propertyInfo));
return ReflectionUtils.GetMemberValue(_memberInfo, target);
} catch (Exception innerException) {
throw new JsonSerializationException("Error getting value from '{0}' on '{1}'.".FormatWith(CultureInfo.InvariantCulture, _memberInfo.Name, target.GetType()), innerException);
}
}
}
}