Property Value Converter for a array of strings

StringArrayValueConverter.cs

using System;
using Newtonsoft.Json;
using Umbraco.Core.Models.PublishedContent;
using Umbraco.Core.PropertyEditors;

namespace Epiphany.PropertyEditorValueConverters
{
    [PropertyValueType(typeof(string[]))]
    [PropertyValueCache(PropertyCacheValue.All, PropertyCacheLevel.Content)]
    public class StringArrayValueConverter : PropertyValueConverterBase
    {
        public override bool IsConverter(PublishedPropertyType propertyType)
        {
            return propertyType.PropertyEditorAlias.Equals("Epiphany.SortableStringList");
        }

        public override object ConvertDataToSource(PublishedPropertyType propertyType, object source, bool preview)
        {
            if (source == null) return null;
            var sourceString = source.ToString();
            if (String.IsNullOrWhiteSpace(sourceString)) return null;

            try
            {
                return JsonConvert.DeserializeObject<string[]>(sourceString);
            }
            catch
            {
                return null;
            }
        }
    }
}

Usage:

<ul>
    @foreach (var s in Model.GetPropertyValue<string[]>("stringList"))
    {
        <li>@s</li>
    }
</ul>