LateBoundReflectionDelegateFactory
using Newtonsoft.Json.Serialization;
using System;
using System.Reflection;
namespace Newtonsoft.Json.Utilities
{
internal class LateBoundReflectionDelegateFactory : ReflectionDelegateFactory
{
private static readonly LateBoundReflectionDelegateFactory _instance = new LateBoundReflectionDelegateFactory();
internal static ReflectionDelegateFactory Instance => _instance;
public override ObjectConstructor<object> CreateParameterizedConstructor(MethodBase method)
{
ValidationUtils.ArgumentNotNull(method, "method");
ConstructorInfo c = method as ConstructorInfo;
if ((object)c != null)
return (object[] a) => c.Invoke(a);
return (object[] a) => method.Invoke(null, a);
}
public override MethodCall<T, object> CreateMethodCall<T>(MethodBase method)
{
ValidationUtils.ArgumentNotNull(method, "method");
ConstructorInfo c = method as ConstructorInfo;
if ((object)c != null)
return (T o, object[] a) => c.Invoke(a);
return (T o, object[] a) => method.Invoke(o, a);
}
public override Func<T> CreateDefaultConstructor<T>(Type type)
{
ValidationUtils.ArgumentNotNull(type, "type");
if (type.IsValueType())
return () => (T)Activator.CreateInstance(type);
ConstructorInfo constructorInfo = ReflectionUtils.GetDefaultConstructor(type, true);
return () => (T)constructorInfo.Invoke(null);
}
public override Func<T, object> CreateGet<T>(PropertyInfo propertyInfo)
{
ValidationUtils.ArgumentNotNull(propertyInfo, "propertyInfo");
return (T o) => propertyInfo.GetValue(o, null);
}
public override Func<T, object> CreateGet<T>(FieldInfo fieldInfo)
{
ValidationUtils.ArgumentNotNull(fieldInfo, "fieldInfo");
return (T o) => fieldInfo.GetValue(o);
}
public override Action<T, object> CreateSet<T>(FieldInfo fieldInfo)
{
ValidationUtils.ArgumentNotNull(fieldInfo, "fieldInfo");
return delegate(T o, object v) {
fieldInfo.SetValue(o, v);
};
}
public override Action<T, object> CreateSet<T>(PropertyInfo propertyInfo)
{
ValidationUtils.ArgumentNotNull(propertyInfo, "propertyInfo");
return delegate(T o, object v) {
propertyInfo.SetValue(o, v, null);
};
}
}
}