Sanity inducing extensions for Dynamics CRM 4.0

DynamicEntityExtensions.cs

    public static class DynamicEntityExtensions
    {
        public static string GetString(this DynamicEntity entity, string property)
        {
            if (entity.Properties.Contains(property))
                return (string)entity[property];
            else
                return null;
        }

        public static DateTime? GetDateTime(this DynamicEntity entity, string property)
        {
            if (entity.Properties.Contains(property) && !((CrmDateTime)entity[property]).IsNull)
                return ((CrmDateTime)entity[property]).UserTime;
            else
                return null;
        }

        public static int? GetInt(this DynamicEntity entity, string property)
        {
            if (entity.Properties.Contains(property) && !((CrmNumber)entity[property]).IsNull)
                return ((CrmNumber)entity[property]).Value;
            else
                return null;
        }

        public static double? GetDouble(this DynamicEntity entity, string property)
        {
            if (entity.Properties.Contains(property) && !((CrmDouble)entity[property]).IsNull)
                return ((CrmDouble)entity[property]).Value;
            else
                return null;
        }

        public static decimal? GetMoney(this DynamicEntity entity, string property)
        {
            if (entity.Properties.Contains(property) && !((CrmMoney)entity[property]).IsNull)
                return ((CrmMoney)entity[property]).Value;
            else
                return null;
        }

        public static Key GetKey(this DynamicEntity entity, string property)
        {
            return (Key)entity[property];
        }

        public static bool? GetBoolean(this DynamicEntity entity, string property)
        {
            if (entity.Properties.Contains(property) && !((CrmBoolean)entity[property]).IsNull)
                return ((CrmBoolean)entity[property]).Value;
            else
                return null;
        }

        public static Lookup GetLookup(this DynamicEntity entity, string property)
        {
            if (entity.Properties.Contains(property) && !((Lookup)entity[property]).IsNull)
                return (Lookup)entity[property];
            else
                return null;
        }
    }