using System;

using System.Collections.Generic;

using System.Reflection;

namespace ServiceStack.Common

{

public static class TypeExtensions

{

private static readonly Dictionary<Type, List<string>> TypePropertyNamesMap = new Dictionary<Type, List<string>>();

public static List<string> GetPropertyNames(this Type type)

{

lock (TypePropertyNamesMap)

{

List<string> propertyNames;

if (!TypePropertyNamesMap.TryGetValue(type, out propertyNames))

{

propertyNames = Extensions.EnumerableExtensions.ConvertAll(type.GetProperties(), x => x.Name);

TypePropertyNamesMap[type] = propertyNames;

}

return propertyNames;

}

}

public static List<T> ToAttributes<T>(this Type type) where T : Attribute

{

return type.GetCustomAttributes(typeof(T), true).SafeConvertAll(x => (T)x);

}

}

}