Java Unified Expression Language uses the same ${...} syntax as SDL Tridion Template Expression Language. Work around this by writing your JUEL as $[...] in your Dreamweaver TBBs and use this TBB in your page template to convert the resultant output.

ConvertOutputToJavaUnifiedExpressionLanguage.cs

using System.Text.RegularExpressions;
using Tridion.ContentManager.Templating;
using Tridion.ContentManager.Templating.Assembly;

namespace SDLTridion.Templating.Example
{
    /// <summary>
    /// Java Unified Expression Language uses the same ${...} syntax as
    /// SDL Tridion Template Expression Language. Work around this by
    /// writing your JUEL as $[...] in your Dreamweaver TBBs and use this
    /// TBB in your page template to convert the resultant output.
    /// </summary>
    [TcmTemplateTitle("Convert Output to Java Unified Expression Language")]
    class ConvertOutputToJavaUnifiedExpressionLanguage : ITemplate
    {
        public void Transform(Engine engine, Package package)
        {
            Item outputItem = package.GetByName(Package.OutputName);

            string output = outputItem.GetAsString();

            output = Regex.Replace(output, @"\$\[(.*?)\]", @"${$1}");

            outputItem.SetAsString(output);
        }
    }
}