// TODO: xml base imlement !!!
DefaultElement resourceElement = new DefaultElement(CPCore.RESOURCE);
resourceElement.addAttribute(CPCore.IDENTIFIER, identifier);
resourceElement.addAttribute(CPCore.TYPE, type);
resourceElement.addAttribute(CPCore.HREF, href);
if (!xmlbase.equals("")) resourceElement.addAttribute(CPCore.BASE, xmlbase);
if (metadata != null) {
metadata.buildDocument(resourceElement);