"res://org/pentaho/reporting/designer/core/editor/drilldown/basic/basic-drilldown.xul"); // NON-NLS
final ResourceManager resourceManager = new ResourceManager();
final Resource resource = resourceManager.createDirectly(xulDocument, Document.class);
final Document document = (Document) resource.getResource();
final DOMReader domReader = new DOMReader();
final XulDomContainer container = loader.loadXulFragment(domReader.read(document));
// Create our main Controller
final String className = configuration.getConfigProperty
("org.pentaho.reporting.designer.core.editor.drilldown.xul-controller." + configurationTag, // NON-NLS