JCodeModel codeModel = model.generateCode(new Plugin[0], null);
// Create EclipseLink JavaModel objects for each of XJC's JDefinedClasses
ArrayList<JDefinedClass> classesToProcess = new ArrayList<JDefinedClass>();
Iterator<JPackage> packages = codeModel.packages();
while (packages.hasNext()) {
JPackage pkg = packages.next();
Iterator<JDefinedClass> classes = pkg.classes();
while (classes.hasNext()) {
JDefinedClass cls = classes.next();