Common reflection extensions

ReflectionUtil.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Web;

namespace GCFinder.Models
{
    public static class ReflectionUtil
    {
        public static T GetAttribute<T>(this MemberInfo memberInfo) where T : Attribute
        {
            return memberInfo.GetCustomAttributes(typeof(T), true).FirstOrDefault() as T;
        }

        public static T GetAttribute<T>(this ParameterInfo memberInfo) where T : Attribute
        {
            return memberInfo.GetCustomAttributes(typeof(T), true).FirstOrDefault() as T;
        }

        public static TypeCode ToTypeCode(this System.Type type)
        {
            switch (type.FullName)
            {
                case "System.Boolean":
                    return TypeCode.Boolean;
                case "System.Int16":
                    return TypeCode.Int16;
                case "System.Int32":
                    return TypeCode.Int32;
                case "System.Int64":
                    return TypeCode.Int64;
                case "System.DateTime":
                    return TypeCode.DateTime;
                case "System.String":
                    return TypeCode.String;
                case "System.Single":
                    return TypeCode.Single;
                case "System.Double":
                    return TypeCode.Double;
                case "System.Decimal":
                    return TypeCode.Decimal;
                case "System.TimeSpan":
                    return TypeCode.DateTime;
                default:
                    return TypeCode.Object;
            }
        }
        
        public static bool ImplementsGenericInterface(this Type type, Type interfaceType)
        {
            if (interfaceType.GetGenericTypeDefinition() == interfaceType)
                return type.GetTypeInfo().ImplementedInterfaces.Any(x => x.GenericTypeArguments.Length > 0
                    && x.GetGenericTypeDefinition() == interfaceType);
            else
                return type.GetTypeInfo().ImplementedInterfaces.Any(x => x.GenericTypeArguments.Length > 0
                    && x == interfaceType);
        }
    }
}