leadResourceDoc = LEADresourceDocument.Factory.parse(metadata.toString());
LEADResourceType leadResourceType = leadResourceDoc.getLEADresource();
DataType data = leadResourceType.getData();
IdinfoBase idInfo = data.getIdinfo();
KeywordsType keywords = idInfo.getKeywords();
ThemeType leadProjectThema = keywords.getThemeArray(0);
// This will get "leadproject.org";
leadProjectThema.addThemekey("workflow");
leadProjectThema.addThemekey("workflow-ODE");
leadProjectThema.addThemekey("workflow-ODE-Process");