BN089-BS开发框架MVC4版/source20131023/Zephyr.Net/Zephyr.Utils/Reflection/ZGeneric.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Dynamic;

namespace Zephyr.Utils
{
    public class ZGeneric
    {
        public static bool IsDynamicType(Type type)
        {
            return type.Equals(typeof(ExpandoObject)) || type.Equals(typeof(object));
        }

        public static bool IsNullableType(Type theType)
        {
            return (theType.IsGenericType && theType.
              GetGenericTypeDefinition().Equals
              (typeof(Nullable<>)));
        }  

        public static Type GetGenericType(object list)
        {
            return list.GetType().GetGenericArguments()[0];
        }

        public static bool IsTypeIgoreNullable<T>(object value)
        {
            if (null == value) return false;

            Type type = value.GetType();
            if (type.IsGenericType)
                type = type.GetGenericArguments()[0];

            return type.Equals(typeof(T));
        }

        public static T CreateNew<T>()
        {
            if (IsDynamicType(typeof(T)))
                return (T)(IDictionary<string, object>)new ExpandoObject();

            return Activator.CreateInstance<T>();
        }

        public static object GetValue(object item, string name)
        {
            if (IsDynamicType(item.GetType()))
                return ZReflection.GetPropertyValueDynamic(item, name);
            
            return ZReflection.GetPropertyValue(item, name);
        }

        public static void SetValue(object item,string name,object value)
        {
            Type type = item.GetType();
            if (IsDynamicType(type))
                ((IDictionary<string, object>)item).Add(name, value);